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<FONT color="green">001</FONT> package org.maltparser.transform.pseudo;<a name="line.1"></a>
<FONT color="green">002</FONT> <a name="line.2"></a>
<FONT color="green">003</FONT> import java.util.Vector;<a name="line.3"></a>
<FONT color="green">004</FONT> <a name="line.4"></a>
<FONT color="green">005</FONT> import org.apache.log4j.Logger;<a name="line.5"></a>
<FONT color="green">006</FONT> import org.maltparser.core.exception.MaltChainedException;<a name="line.6"></a>
<FONT color="green">007</FONT> import org.maltparser.core.symbol.SymbolTable;<a name="line.7"></a>
<FONT color="green">008</FONT> import org.maltparser.core.symbol.SymbolTableHandler;<a name="line.8"></a>
<FONT color="green">009</FONT> import org.maltparser.core.syntaxgraph.DependencyStructure;<a name="line.9"></a>
<FONT color="green">010</FONT> import org.maltparser.core.syntaxgraph.node.DependencyNode;<a name="line.10"></a>
<FONT color="green">011</FONT> <a name="line.11"></a>
<FONT color="green">012</FONT> /**<a name="line.12"></a>
<FONT color="green">013</FONT> * This class contains methods for projectivizing and deprojectivizing<a name="line.13"></a>
<FONT color="green">014</FONT> * <a name="line.14"></a>
<FONT color="green">015</FONT> * @author Jens Nilsson<a name="line.15"></a>
<FONT color="green">016</FONT> * @since 1.0<a name="line.16"></a>
<FONT color="green">017</FONT> */<a name="line.17"></a>
<FONT color="green">018</FONT> public class PseudoProjectivity {<a name="line.18"></a>
<FONT color="green">019</FONT> static int id = 0;<a name="line.19"></a>
<FONT color="green">020</FONT> <a name="line.20"></a>
<FONT color="green">021</FONT> private enum PseudoProjectiveEncoding {<a name="line.21"></a>
<FONT color="green">022</FONT> NONE, BASELINE, HEAD, PATH, HEADPATH, TRACE<a name="line.22"></a>
<FONT color="green">023</FONT> };<a name="line.23"></a>
<FONT color="green">024</FONT> <a name="line.24"></a>
<FONT color="green">025</FONT> private enum CoveredRootAttachment {<a name="line.25"></a>
<FONT color="green">026</FONT> NONE, LEFT, RIGHT, HEAD<a name="line.26"></a>
<FONT color="green">027</FONT> };<a name="line.27"></a>
<FONT color="green">028</FONT> <a name="line.28"></a>
<FONT color="green">029</FONT> private enum LiftingOrder {<a name="line.29"></a>
<FONT color="green">030</FONT> SHORTEST, DEEPEST<a name="line.30"></a>
<FONT color="green">031</FONT> };<a name="line.31"></a>
<FONT color="green">032</FONT> <a name="line.32"></a>
<FONT color="green">033</FONT> private PseudoProjectiveEncoding markingStrategy;<a name="line.33"></a>
<FONT color="green">034</FONT> private CoveredRootAttachment rootAttachment;<a name="line.34"></a>
<FONT color="green">035</FONT> private LiftingOrder liftingOrder;<a name="line.35"></a>
<FONT color="green">036</FONT> private Logger configLogger;<a name="line.36"></a>
<FONT color="green">037</FONT> <a name="line.37"></a>
<FONT color="green">038</FONT> private SymbolTable deprelSymbolTable;<a name="line.38"></a>
<FONT color="green">039</FONT> private SymbolTable pppathSymbolTable;<a name="line.39"></a>
<FONT color="green">040</FONT> private SymbolTable ppliftedSymbolTable;<a name="line.40"></a>
<FONT color="green">041</FONT> private SymbolTable ppcoveredRootSymbolTable;<a name="line.41"></a>
<FONT color="green">042</FONT> private Vector<Boolean> nodeLifted;<a name="line.42"></a>
<FONT color="green">043</FONT> private Vector<Vector<DependencyNode>> nodeTrace;<a name="line.43"></a>
<FONT color="green">044</FONT> private Vector<DependencyNode> headDeprel;<a name="line.44"></a>
<FONT color="green">045</FONT> private Vector<Boolean> nodePath;<a name="line.45"></a>
<FONT color="green">046</FONT> private Vector<Boolean> isCoveredRoot;<a name="line.46"></a>
<FONT color="green">047</FONT> private Vector<Integer> nodeRelationLength;<a name="line.47"></a>
<FONT color="green">048</FONT> private Vector<String> synacticHeadDeprel;<a name="line.48"></a>
<FONT color="green">049</FONT> <a name="line.49"></a>
<FONT color="green">050</FONT> <a name="line.50"></a>
<FONT color="green">051</FONT> public PseudoProjectivity() { }<a name="line.51"></a>
<FONT color="green">052</FONT> <a name="line.52"></a>
<FONT color="green">053</FONT> public void initialize(String markingStrategyString, String coveredRoot, String liftingOrder, Logger configLogger,<a name="line.53"></a>
<FONT color="green">054</FONT> SymbolTableHandler symbolTables) throws MaltChainedException {<a name="line.54"></a>
<FONT color="green">055</FONT> nodeLifted = new Vector<Boolean>();<a name="line.55"></a>
<FONT color="green">056</FONT> nodeTrace = new Vector<Vector<DependencyNode>>();<a name="line.56"></a>
<FONT color="green">057</FONT> headDeprel = new Vector<DependencyNode>();<a name="line.57"></a>
<FONT color="green">058</FONT> nodePath = new Vector<Boolean>();<a name="line.58"></a>
<FONT color="green">059</FONT> isCoveredRoot = new Vector<Boolean>();<a name="line.59"></a>
<FONT color="green">060</FONT> nodeRelationLength = new Vector<Integer>();<a name="line.60"></a>
<FONT color="green">061</FONT> synacticHeadDeprel = new Vector<String>();<a name="line.61"></a>
<FONT color="green">062</FONT> <a name="line.62"></a>
<FONT color="green">063</FONT> this.configLogger = configLogger;<a name="line.63"></a>
<FONT color="green">064</FONT> if (markingStrategyString.equalsIgnoreCase("none")) {<a name="line.64"></a>
<FONT color="green">065</FONT> markingStrategy = PseudoProjectiveEncoding.NONE;<a name="line.65"></a>
<FONT color="green">066</FONT> } else if (markingStrategyString.equalsIgnoreCase("baseline")) {<a name="line.66"></a>
<FONT color="green">067</FONT> markingStrategy = PseudoProjectiveEncoding.BASELINE;<a name="line.67"></a>
<FONT color="green">068</FONT> } else if (markingStrategyString.equalsIgnoreCase("head")) {<a name="line.68"></a>
<FONT color="green">069</FONT> markingStrategy = PseudoProjectiveEncoding.HEAD;<a name="line.69"></a>
<FONT color="green">070</FONT> } else if (markingStrategyString.equalsIgnoreCase("path")) {<a name="line.70"></a>
<FONT color="green">071</FONT> markingStrategy = PseudoProjectiveEncoding.PATH;<a name="line.71"></a>
<FONT color="green">072</FONT> } else if (markingStrategyString.equalsIgnoreCase("head+path")) {<a name="line.72"></a>
<FONT color="green">073</FONT> markingStrategy = PseudoProjectiveEncoding.HEADPATH;<a name="line.73"></a>
<FONT color="green">074</FONT> } else if (markingStrategyString.equalsIgnoreCase("trace")) {<a name="line.74"></a>
<FONT color="green">075</FONT> markingStrategy = PseudoProjectiveEncoding.TRACE;<a name="line.75"></a>
<FONT color="green">076</FONT> }<a name="line.76"></a>
<FONT color="green">077</FONT> <a name="line.77"></a>
<FONT color="green">078</FONT> this.deprelSymbolTable = symbolTables.getSymbolTable("DEPREL");<a name="line.78"></a>
<FONT color="green">079</FONT> if (markingStrategy == PseudoProjectiveEncoding.HEAD || markingStrategy == PseudoProjectiveEncoding.PATH<a name="line.79"></a>
<FONT color="green">080</FONT> || markingStrategy == PseudoProjectiveEncoding.HEADPATH) {<a name="line.80"></a>
<FONT color="green">081</FONT> this.ppliftedSymbolTable = symbolTables.addSymbolTable("PPLIFTED", deprelSymbolTable);<a name="line.81"></a>
<FONT color="green">082</FONT> if (this.markingStrategy == PseudoProjectiveEncoding.PATH) {<a name="line.82"></a>
<FONT color="green">083</FONT> ppliftedSymbolTable.addSymbol("#true#");<a name="line.83"></a>
<FONT color="green">084</FONT> ppliftedSymbolTable.addSymbol("#false#");<a name="line.84"></a>
<FONT color="green">085</FONT> } else {<a name="line.85"></a>
<FONT color="green">086</FONT> ppliftedSymbolTable.addSymbol("#false#");<a name="line.86"></a>
<FONT color="green">087</FONT> }<a name="line.87"></a>
<FONT color="green">088</FONT> }<a name="line.88"></a>
<FONT color="green">089</FONT> <a name="line.89"></a>
<FONT color="green">090</FONT> if (markingStrategy == PseudoProjectiveEncoding.PATH || markingStrategy == PseudoProjectiveEncoding.HEADPATH) {<a name="line.90"></a>
<FONT color="green">091</FONT> pppathSymbolTable = symbolTables.addSymbolTable("PPPATH", deprelSymbolTable);<a name="line.91"></a>
<FONT color="green">092</FONT> pppathSymbolTable.addSymbol("#true#");<a name="line.92"></a>
<FONT color="green">093</FONT> pppathSymbolTable.addSymbol("#false#");<a name="line.93"></a>
<FONT color="green">094</FONT> }<a name="line.94"></a>
<FONT color="green">095</FONT> <a name="line.95"></a>
<FONT color="green">096</FONT> if (coveredRoot.equalsIgnoreCase("none")) {<a name="line.96"></a>
<FONT color="green">097</FONT> this.rootAttachment = CoveredRootAttachment.NONE;<a name="line.97"></a>
<FONT color="green">098</FONT> } else if (coveredRoot.equalsIgnoreCase("left")) {<a name="line.98"></a>
<FONT color="green">099</FONT> this.rootAttachment = CoveredRootAttachment.LEFT;<a name="line.99"></a>
<FONT color="green">100</FONT> } else if (coveredRoot.equalsIgnoreCase("right")) {<a name="line.100"></a>
<FONT color="green">101</FONT> this.rootAttachment = CoveredRootAttachment.RIGHT;<a name="line.101"></a>
<FONT color="green">102</FONT> } else if (coveredRoot.equalsIgnoreCase("head")) {<a name="line.102"></a>
<FONT color="green">103</FONT> this.rootAttachment = CoveredRootAttachment.HEAD;<a name="line.103"></a>
<FONT color="green">104</FONT> }<a name="line.104"></a>
<FONT color="green">105</FONT> <a name="line.105"></a>
<FONT color="green">106</FONT> if (this.rootAttachment != CoveredRootAttachment.NONE) {<a name="line.106"></a>
<FONT color="green">107</FONT> this.ppcoveredRootSymbolTable = symbolTables.addSymbolTable("PPCOVERED", deprelSymbolTable);<a name="line.107"></a>
<FONT color="green">108</FONT> ppcoveredRootSymbolTable.addSymbol("#true#");<a name="line.108"></a>
<FONT color="green">109</FONT> ppcoveredRootSymbolTable.addSymbol("#false#");<a name="line.109"></a>
<FONT color="green">110</FONT> }<a name="line.110"></a>
<FONT color="green">111</FONT> if (liftingOrder.equalsIgnoreCase("shortest")) {<a name="line.111"></a>
<FONT color="green">112</FONT> this.liftingOrder = LiftingOrder.SHORTEST;<a name="line.112"></a>
<FONT color="green">113</FONT> } else if (liftingOrder.equalsIgnoreCase("deepest")) {<a name="line.113"></a>
<FONT color="green">114</FONT> this.liftingOrder = LiftingOrder.DEEPEST;<a name="line.114"></a>
<FONT color="green">115</FONT> }<a name="line.115"></a>
<FONT color="green">116</FONT> }<a name="line.116"></a>
<FONT color="green">117</FONT> <a name="line.117"></a>
<FONT color="green">118</FONT> private void initProjectivization(DependencyStructure pdg) throws MaltChainedException {<a name="line.118"></a>
<FONT color="green">119</FONT> nodeLifted.clear();<a name="line.119"></a>
<FONT color="green">120</FONT> nodeTrace.clear();<a name="line.120"></a>
<FONT color="green">121</FONT> headDeprel.clear();<a name="line.121"></a>
<FONT color="green">122</FONT> nodePath.clear();<a name="line.122"></a>
<FONT color="green">123</FONT> isCoveredRoot.clear();<a name="line.123"></a>
<FONT color="green">124</FONT> nodeRelationLength.clear();<a name="line.124"></a>
<FONT color="green">125</FONT> <a name="line.125"></a>
<FONT color="green">126</FONT> for (int index : pdg.getDependencyIndices()) {<a name="line.126"></a>
<FONT color="green">127</FONT> nodeLifted.add(false);<a name="line.127"></a>
<FONT color="green">128</FONT> nodeTrace.add(new Vector<DependencyNode>());<a name="line.128"></a>
<FONT color="green">129</FONT> headDeprel.add(null);<a name="line.129"></a>
<FONT color="green">130</FONT> nodePath.add(false);<a name="line.130"></a>
<FONT color="green">131</FONT> isCoveredRoot.add(false);<a name="line.131"></a>
<FONT color="green">132</FONT> if (ppliftedSymbolTable != null && index != 0) {<a name="line.132"></a>
<FONT color="green">133</FONT> pdg.getDependencyNode(index).getHeadEdge().getLabelSet().put(ppliftedSymbolTable, ppliftedSymbolTable.getSymbolStringToCode("#false#"));<a name="line.133"></a>
<FONT color="green">134</FONT> }<a name="line.134"></a>
<FONT color="green">135</FONT> if (pppathSymbolTable != null && index != 0) {<a name="line.135"></a>
<FONT color="green">136</FONT> pdg.getDependencyNode(index).getHeadEdge().getLabelSet().put(pppathSymbolTable, pppathSymbolTable.getSymbolStringToCode("#false#"));<a name="line.136"></a>
<FONT color="green">137</FONT> }<a name="line.137"></a>
<FONT color="green">138</FONT> if (ppcoveredRootSymbolTable != null && index != 0) {<a name="line.138"></a>
<FONT color="green">139</FONT> pdg.getDependencyNode(index).getHeadEdge().getLabelSet().put(ppcoveredRootSymbolTable, ppcoveredRootSymbolTable.getSymbolStringToCode("#false#"));<a name="line.139"></a>
<FONT color="green">140</FONT> }<a name="line.140"></a>
<FONT color="green">141</FONT> }<a name="line.141"></a>
<FONT color="green">142</FONT> computeRelationLength(pdg);<a name="line.142"></a>
<FONT color="green">143</FONT> }<a name="line.143"></a>
<FONT color="green">144</FONT> <a name="line.144"></a>
<FONT color="green">145</FONT> public void projectivize(DependencyStructure pdg) throws MaltChainedException {<a name="line.145"></a>
<FONT color="green">146</FONT> id++;<a name="line.146"></a>
<FONT color="green">147</FONT> if (!pdg.isTree()) {<a name="line.147"></a>
<FONT color="green">148</FONT> configLogger.info("\n[Warning: Sentence '" + id + "' cannot projectivize, because the dependency graph is not a tree]\n");<a name="line.148"></a>
<FONT color="green">149</FONT> return;<a name="line.149"></a>
<FONT color="green">150</FONT> }<a name="line.150"></a>
<FONT color="green">151</FONT> DependencyNode deepestNonProjectiveNode;<a name="line.151"></a>
<FONT color="green">152</FONT> initProjectivization(pdg);<a name="line.152"></a>
<FONT color="green">153</FONT> <a name="line.153"></a>
<FONT color="green">154</FONT> if (markingStrategy != PseudoProjectiveEncoding.NONE) {<a name="line.154"></a>
<FONT color="green">155</FONT> while (!pdg.isProjective()) {<a name="line.155"></a>
<FONT color="green">156</FONT> if (liftingOrder == LiftingOrder.DEEPEST) {<a name="line.156"></a>
<FONT color="green">157</FONT> deepestNonProjectiveNode = getDeepestNonProjectiveNode(pdg);<a name="line.157"></a>
<FONT color="green">158</FONT> } else {<a name="line.158"></a>
<FONT color="green">159</FONT> deepestNonProjectiveNode = getShortestNonProjectiveNode(pdg);<a name="line.159"></a>
<FONT color="green">160</FONT> }<a name="line.160"></a>
<FONT color="green">161</FONT> if (!attachCoveredRoots(pdg, deepestNonProjectiveNode)) {<a name="line.161"></a>
<FONT color="green">162</FONT> nodeLifted.set(deepestNonProjectiveNode.getIndex(), true);<a name="line.162"></a>
<FONT color="green">163</FONT> setHeadDeprel(deepestNonProjectiveNode, deepestNonProjectiveNode.getHead());<a name="line.163"></a>
<FONT color="green">164</FONT> setPath(deepestNonProjectiveNode.getHead());<a name="line.164"></a>
<FONT color="green">165</FONT> pdg.moveDependencyEdge(pdg.getDependencyNode(deepestNonProjectiveNode.getHead().getHead().getIndex()).getIndex(), deepestNonProjectiveNode.getIndex());<a name="line.165"></a>
<FONT color="green">166</FONT> }<a name="line.166"></a>
<FONT color="green">167</FONT> }<a name="line.167"></a>
<FONT color="green">168</FONT> if (rootAttachment == CoveredRootAttachment.NONE) {<a name="line.168"></a>
<FONT color="green">169</FONT> deattachCoveredRootsForProjectivization(pdg);<a name="line.169"></a>
<FONT color="green">170</FONT> }<a name="line.170"></a>
<FONT color="green">171</FONT> } else if (rootAttachment != CoveredRootAttachment.NONE) {<a name="line.171"></a>
<FONT color="green">172</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.172"></a>
<FONT color="green">173</FONT> attachCoveredRoots(pdg, pdg.getTokenNode(index));<a name="line.173"></a>
<FONT color="green">174</FONT> }<a name="line.174"></a>
<FONT color="green">175</FONT> }<a name="line.175"></a>
<FONT color="green">176</FONT> // collectTraceStatistics(pdg);<a name="line.176"></a>
<FONT color="green">177</FONT> assignPseudoProjectiveDeprels(pdg);<a name="line.177"></a>
<FONT color="green">178</FONT> }<a name="line.178"></a>
<FONT color="green">179</FONT> <a name="line.179"></a>
<FONT color="green">180</FONT> <a name="line.180"></a>
<FONT color="green">181</FONT> public void mergeArclabels(DependencyStructure pdg) throws MaltChainedException {<a name="line.181"></a>
<FONT color="green">182</FONT> assignPseudoProjectiveDeprelsForMerge(pdg);<a name="line.182"></a>
<FONT color="green">183</FONT> }<a name="line.183"></a>
<FONT color="green">184</FONT> <a name="line.184"></a>
<FONT color="green">185</FONT> public void splitArclabels(DependencyStructure pdg) throws MaltChainedException {<a name="line.185"></a>
<FONT color="green">186</FONT> int pathLabelIndex = -1, movedLabelIndex = -1, coveredArcLabelIndex;<a name="line.186"></a>
<FONT color="green">187</FONT> String label;<a name="line.187"></a>
<FONT color="green">188</FONT> initDeprojeciviztion(pdg);<a name="line.188"></a>
<FONT color="green">189</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.189"></a>
<FONT color="green">190</FONT> if (pdg.getTokenNode(index).getHeadEdge().hasLabel(deprelSymbolTable)) {<a name="line.190"></a>
<FONT color="green">191</FONT> label = deprelSymbolTable.getSymbolCodeToString(pdg.getTokenNode(index).getHeadEdge().getLabelCode(deprelSymbolTable));<a name="line.191"></a>
<FONT color="green">192</FONT> if (label != null && (pathLabelIndex = label.indexOf("%")) != -1) {<a name="line.192"></a>
<FONT color="green">193</FONT> label = label.substring(0, pathLabelIndex);<a name="line.193"></a>
<FONT color="green">194</FONT> setLabel(pdg.getTokenNode(index), label);<a name="line.194"></a>
<FONT color="green">195</FONT> pdg.getTokenNode(index).getHeadEdge().addLabel(pppathSymbolTable, pppathSymbolTable.getSymbolStringToCode("#true#"));<a name="line.195"></a>
<FONT color="green">196</FONT> }<a name="line.196"></a>
<FONT color="green">197</FONT> if (label != null && (movedLabelIndex = label.indexOf("|")) != -1 && label.indexOf("|null") == -1) {<a name="line.197"></a>
<FONT color="green">198</FONT> if (movedLabelIndex + 1 < label.length()) {<a name="line.198"></a>
<FONT color="green">199</FONT> pdg.getTokenNode(index).getHeadEdge().addLabel(ppliftedSymbolTable, ppliftedSymbolTable.getSymbolStringToCode(label.substring(movedLabelIndex + 1)));<a name="line.199"></a>
<FONT color="green">200</FONT> } else {<a name="line.200"></a>
<FONT color="green">201</FONT> pdg.getTokenNode(index).getHeadEdge().addLabel(ppliftedSymbolTable, ppliftedSymbolTable.getSymbolStringToCode("#true#"));<a name="line.201"></a>
<FONT color="green">202</FONT> }<a name="line.202"></a>
<FONT color="green">203</FONT> label = label.substring(0, movedLabelIndex);<a name="line.203"></a>
<FONT color="green">204</FONT> setLabel(pdg.getTokenNode(index), label);<a name="line.204"></a>
<FONT color="green">205</FONT> }<a name="line.205"></a>
<FONT color="green">206</FONT> }<a name="line.206"></a>
<FONT color="green">207</FONT> }<a name="line.207"></a>
<FONT color="green">208</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.208"></a>
<FONT color="green">209</FONT> if (pdg.getTokenNode(index).getHeadEdge().hasLabel(deprelSymbolTable)) {<a name="line.209"></a>
<FONT color="green">210</FONT> label = deprelSymbolTable.getSymbolCodeToString(pdg.getTokenNode(index).getHeadEdge().getLabelCode(deprelSymbolTable));<a name="line.210"></a>
<FONT color="green">211</FONT> if ((coveredArcLabelIndex = label.indexOf("|null")) != -1) {<a name="line.211"></a>
<FONT color="green">212</FONT> label = label.substring(0, coveredArcLabelIndex);<a name="line.212"></a>
<FONT color="green">213</FONT> setLabel(pdg.getTokenNode(index), label);<a name="line.213"></a>
<FONT color="green">214</FONT> pdg.getTokenNode(index).getHeadEdge().addLabel(ppcoveredRootSymbolTable, ppcoveredRootSymbolTable.getSymbolStringToCode("#true#"));<a name="line.214"></a>
<FONT color="green">215</FONT> }<a name="line.215"></a>
<FONT color="green">216</FONT> }<a name="line.216"></a>
<FONT color="green">217</FONT> }<a name="line.217"></a>
<FONT color="green">218</FONT> }<a name="line.218"></a>
<FONT color="green">219</FONT> <a name="line.219"></a>
<FONT color="green">220</FONT> private void setHeadDeprel(DependencyNode node, DependencyNode parent) {<a name="line.220"></a>
<FONT color="green">221</FONT> if (headDeprel.get(node.getIndex()) == null) {<a name="line.221"></a>
<FONT color="green">222</FONT> headDeprel.set(node.getIndex(), parent);<a name="line.222"></a>
<FONT color="green">223</FONT> }<a name="line.223"></a>
<FONT color="green">224</FONT> nodeTrace.set(node.getIndex(), headDeprel);<a name="line.224"></a>
<FONT color="green">225</FONT> }<a name="line.225"></a>
<FONT color="green">226</FONT> <a name="line.226"></a>
<FONT color="green">227</FONT> private void setPath(DependencyNode node) {<a name="line.227"></a>
<FONT color="green">228</FONT> nodePath.set(node.getIndex(), true);<a name="line.228"></a>
<FONT color="green">229</FONT> }<a name="line.229"></a>
<FONT color="green">230</FONT> <a name="line.230"></a>
<FONT color="green">231</FONT> private boolean isCoveredRoot(DependencyNode node) {<a name="line.231"></a>
<FONT color="green">232</FONT> return isCoveredRoot.get(node.getIndex());<a name="line.232"></a>
<FONT color="green">233</FONT> }<a name="line.233"></a>
<FONT color="green">234</FONT> <a name="line.234"></a>
<FONT color="green">235</FONT> private void deattachCoveredRootsForProjectivization(DependencyStructure pdg) throws MaltChainedException {<a name="line.235"></a>
<FONT color="green">236</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.236"></a>
<FONT color="green">237</FONT> if (isCoveredRoot(pdg.getTokenNode(index))) {<a name="line.237"></a>
<FONT color="green">238</FONT> pdg.moveDependencyEdge(pdg.getDependencyRoot().getIndex(), pdg.getTokenNode(index).getIndex());<a name="line.238"></a>
<FONT color="green">239</FONT> }<a name="line.239"></a>
<FONT color="green">240</FONT> }<a name="line.240"></a>
<FONT color="green">241</FONT> }<a name="line.241"></a>
<FONT color="green">242</FONT> <a name="line.242"></a>
<FONT color="green">243</FONT> private boolean attachCoveredRoots(DependencyStructure pdg, DependencyNode deepest) throws MaltChainedException {<a name="line.243"></a>
<FONT color="green">244</FONT> int i;<a name="line.244"></a>
<FONT color="green">245</FONT> boolean foundCoveredRoot = false;<a name="line.245"></a>
<FONT color="green">246</FONT> DependencyNode coveredRootHead;<a name="line.246"></a>
<FONT color="green">247</FONT> for (i = Math.min(deepest.getIndex(), deepest.getHead().getIndex()) + 1; i < Math.max(deepest.getIndex(), deepest.getHead()<a name="line.247"></a>
<FONT color="green">248</FONT> .getIndex()); i++) {<a name="line.248"></a>
<FONT color="green">249</FONT> int leftMostIndex = pdg.getDependencyNode(i).getLeftmostProperDescendantIndex();<a name="line.249"></a>
<FONT color="green">250</FONT> if (leftMostIndex == -1) {<a name="line.250"></a>
<FONT color="green">251</FONT> leftMostIndex = i;<a name="line.251"></a>
<FONT color="green">252</FONT> }<a name="line.252"></a>
<FONT color="green">253</FONT> int rightMostIndex = pdg.getDependencyNode(i).getRightmostProperDescendantIndex();<a name="line.253"></a>
<FONT color="green">254</FONT> if (rightMostIndex == -1) {<a name="line.254"></a>
<FONT color="green">255</FONT> rightMostIndex = i;<a name="line.255"></a>
<FONT color="green">256</FONT> }<a name="line.256"></a>
<FONT color="green">257</FONT> // if (!nodeLifted.get(i) && pdg.getDependencyNode(i).getHead().isRoot() && !deepest.getHead().isRoot()<a name="line.257"></a>
<FONT color="green">258</FONT> // && Math.min(deepest.getIndex(), deepest.getHead().getIndex()) < pdg.getDependencyNode(i).getLeftmostDescendantIndex()<a name="line.258"></a>
<FONT color="green">259</FONT> // && pdg.getDependencyNode(i).getRightmostDescendantIndex() < Math.max(deepest.getIndex(), deepest.getHead().getIndex())) {<a name="line.259"></a>
<FONT color="green">260</FONT> if (!nodeLifted.get(i) && pdg.getDependencyNode(i).getHead().isRoot() && !deepest.getHead().isRoot()<a name="line.260"></a>
<FONT color="green">261</FONT> && Math.min(deepest.getIndex(), deepest.getHead().getIndex()) < leftMostIndex<a name="line.261"></a>
<FONT color="green">262</FONT> && rightMostIndex < Math.max(deepest.getIndex(), deepest.getHead().getIndex())) {<a name="line.262"></a>
<FONT color="green">263</FONT> if (rootAttachment == CoveredRootAttachment.LEFT) {<a name="line.263"></a>
<FONT color="green">264</FONT> if (deepest.getHead().getIndex() < deepest.getIndex()) {<a name="line.264"></a>
<FONT color="green">265</FONT> coveredRootHead = deepest.getHead();<a name="line.265"></a>
<FONT color="green">266</FONT> } else {<a name="line.266"></a>
<FONT color="green">267</FONT> coveredRootHead = deepest;<a name="line.267"></a>
<FONT color="green">268</FONT> }<a name="line.268"></a>
<FONT color="green">269</FONT> } else if (rootAttachment == CoveredRootAttachment.RIGHT) {<a name="line.269"></a>
<FONT color="green">270</FONT> if (deepest.getIndex() < deepest.getHead().getIndex()) {<a name="line.270"></a>
<FONT color="green">271</FONT> coveredRootHead = deepest.getHead();<a name="line.271"></a>
<FONT color="green">272</FONT> } else {<a name="line.272"></a>
<FONT color="green">273</FONT> coveredRootHead = deepest;<a name="line.273"></a>
<FONT color="green">274</FONT> }<a name="line.274"></a>
<FONT color="green">275</FONT> } else {<a name="line.275"></a>
<FONT color="green">276</FONT> coveredRootHead = deepest.getHead();<a name="line.276"></a>
<FONT color="green">277</FONT> }<a name="line.277"></a>
<FONT color="green">278</FONT> pdg.moveDependencyEdge(coveredRootHead.getIndex(), pdg.getDependencyNode(i).getIndex());<a name="line.278"></a>
<FONT color="green">279</FONT> setCoveredRoot(pdg.getDependencyNode(i));<a name="line.279"></a>
<FONT color="green">280</FONT> foundCoveredRoot = true;<a name="line.280"></a>
<FONT color="green">281</FONT> }<a name="line.281"></a>
<FONT color="green">282</FONT> }<a name="line.282"></a>
<FONT color="green">283</FONT> return foundCoveredRoot;<a name="line.283"></a>
<FONT color="green">284</FONT> }<a name="line.284"></a>
<FONT color="green">285</FONT> <a name="line.285"></a>
<FONT color="green">286</FONT> private void setCoveredRoot(DependencyNode node) {<a name="line.286"></a>
<FONT color="green">287</FONT> isCoveredRoot.set(node.getIndex(), true);<a name="line.287"></a>
<FONT color="green">288</FONT> }<a name="line.288"></a>
<FONT color="green">289</FONT> <a name="line.289"></a>
<FONT color="green">290</FONT> private DependencyNode getDeepestNonProjectiveNode(DependencyStructure pdg) throws MaltChainedException {<a name="line.290"></a>
<FONT color="green">291</FONT> DependencyNode deepestNonProjectiveNode = null;<a name="line.291"></a>
<FONT color="green">292</FONT> for (int index : pdg.getDependencyIndices()) {<a name="line.292"></a>
<FONT color="green">293</FONT> if (!pdg.getDependencyNode(index).isProjective()<a name="line.293"></a>
<FONT color="green">294</FONT> && (deepestNonProjectiveNode == null <a name="line.294"></a>
<FONT color="green">295</FONT> || pdg.getDependencyNode(index).getDependencyNodeDepth() > pdg.getDependencyNode(deepestNonProjectiveNode.getIndex()).getDependencyNodeDepth())) {<a name="line.295"></a>
<FONT color="green">296</FONT> deepestNonProjectiveNode = pdg.getDependencyNode(index);<a name="line.296"></a>
<FONT color="green">297</FONT> }<a name="line.297"></a>
<FONT color="green">298</FONT> }<a name="line.298"></a>
<FONT color="green">299</FONT> <a name="line.299"></a>
<FONT color="green">300</FONT> return deepestNonProjectiveNode;<a name="line.300"></a>
<FONT color="green">301</FONT> }<a name="line.301"></a>
<FONT color="green">302</FONT> <a name="line.302"></a>
<FONT color="green">303</FONT> private DependencyNode getShortestNonProjectiveNode(DependencyStructure pdg) throws MaltChainedException {<a name="line.303"></a>
<FONT color="green">304</FONT> DependencyNode shortestNonProjectiveNode = null;<a name="line.304"></a>
<FONT color="green">305</FONT> for (int index : pdg.getDependencyIndices()) {<a name="line.305"></a>
<FONT color="green">306</FONT> if (!pdg.getDependencyNode(index).isProjective()<a name="line.306"></a>
<FONT color="green">307</FONT> && (shortestNonProjectiveNode == null<a name="line.307"></a>
<FONT color="green">308</FONT> || nodeRelationLength.get(index) < nodeRelationLength.get(shortestNonProjectiveNode.getIndex()) <a name="line.308"></a>
<FONT color="green">309</FONT> || (nodeRelationLength.get(index) == nodeRelationLength.get(shortestNonProjectiveNode.getIndex())))) {<a name="line.309"></a>
<FONT color="green">310</FONT> shortestNonProjectiveNode = pdg.getDependencyNode(index);<a name="line.310"></a>
<FONT color="green">311</FONT> }<a name="line.311"></a>
<FONT color="green">312</FONT> }<a name="line.312"></a>
<FONT color="green">313</FONT> return shortestNonProjectiveNode;<a name="line.313"></a>
<FONT color="green">314</FONT> }<a name="line.314"></a>
<FONT color="green">315</FONT> <a name="line.315"></a>
<FONT color="green">316</FONT> <a name="line.316"></a>
<FONT color="green">317</FONT> private void computeRelationLength(DependencyStructure pdg) throws MaltChainedException {<a name="line.317"></a>
<FONT color="green">318</FONT> nodeRelationLength.add(0);<a name="line.318"></a>
<FONT color="green">319</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.319"></a>
<FONT color="green">320</FONT> nodeRelationLength.add(Math.abs(pdg.getDependencyNode(index).getIndex() - pdg.getDependencyNode(index).getHead().getIndex()));<a name="line.320"></a>
<FONT color="green">321</FONT> }<a name="line.321"></a>
<FONT color="green">322</FONT> }<a name="line.322"></a>
<FONT color="green">323</FONT> <a name="line.323"></a>
<FONT color="green">324</FONT> private void assignPseudoProjectiveDeprels(DependencyStructure pdg) throws MaltChainedException {<a name="line.324"></a>
<FONT color="green">325</FONT> int newLabelCode;<a name="line.325"></a>
<FONT color="green">326</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.326"></a>
<FONT color="green">327</FONT> if (!isCoveredRoot(pdg.getDependencyNode(index))) {<a name="line.327"></a>
<FONT color="green">328</FONT> if (this.markingStrategy == PseudoProjectiveEncoding.HEAD || this.markingStrategy == PseudoProjectiveEncoding.PATH<a name="line.328"></a>
<FONT color="green">329</FONT> || this.markingStrategy == PseudoProjectiveEncoding.HEADPATH) {<a name="line.329"></a>
<FONT color="green">330</FONT> if (this.markingStrategy == PseudoProjectiveEncoding.PATH) {<a name="line.330"></a>
<FONT color="green">331</FONT> if (nodeLifted.get(index)) {<a name="line.331"></a>
<FONT color="green">332</FONT> newLabelCode = ppliftedSymbolTable.getSymbolStringToCode("#true#");<a name="line.332"></a>
<FONT color="green">333</FONT> } else {<a name="line.333"></a>
<FONT color="green">334</FONT> newLabelCode = ppliftedSymbolTable.getSymbolStringToCode("#false#");<a name="line.334"></a>
<FONT color="green">335</FONT> }<a name="line.335"></a>
<FONT color="green">336</FONT> pdg.getDependencyNode(index).getHeadEdge().addLabel(ppliftedSymbolTable, newLabelCode);<a name="line.336"></a>
<FONT color="green">337</FONT> } else {<a name="line.337"></a>
<FONT color="green">338</FONT> if (nodeLifted.get(index)) {<a name="line.338"></a>
<FONT color="green">339</FONT> newLabelCode = ppliftedSymbolTable.addSymbol(deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(<a name="line.339"></a>
<FONT color="green">340</FONT> headDeprel.get(index).getIndex()).getHeadEdge().getLabelCode(deprelSymbolTable)));<a name="line.340"></a>
<FONT color="green">341</FONT> } else {<a name="line.341"></a>
<FONT color="green">342</FONT> newLabelCode = ppliftedSymbolTable.getSymbolStringToCode("#false#");<a name="line.342"></a>
<FONT color="green">343</FONT> }<a name="line.343"></a>
<FONT color="green">344</FONT> pdg.getDependencyNode(index).getHeadEdge().addLabel(ppliftedSymbolTable, newLabelCode);<a name="line.344"></a>
<FONT color="green">345</FONT> }<a name="line.345"></a>
<FONT color="green">346</FONT> }<a name="line.346"></a>
<FONT color="green">347</FONT> <a name="line.347"></a>
<FONT color="green">348</FONT> if (this.markingStrategy == PseudoProjectiveEncoding.PATH || this.markingStrategy == PseudoProjectiveEncoding.HEADPATH) {<a name="line.348"></a>
<FONT color="green">349</FONT> if (nodePath.get(index)) {<a name="line.349"></a>
<FONT color="green">350</FONT> newLabelCode = pppathSymbolTable.getSymbolStringToCode("#true#");<a name="line.350"></a>
<FONT color="green">351</FONT> } else {<a name="line.351"></a>
<FONT color="green">352</FONT> newLabelCode = pppathSymbolTable.getSymbolStringToCode("#false#");<a name="line.352"></a>
<FONT color="green">353</FONT> }<a name="line.353"></a>
<FONT color="green">354</FONT> pdg.getDependencyNode(index).getHeadEdge().addLabel(pppathSymbolTable, newLabelCode);<a name="line.354"></a>
<FONT color="green">355</FONT> }<a name="line.355"></a>
<FONT color="green">356</FONT> <a name="line.356"></a>
<FONT color="green">357</FONT> // if (markingStrategy == PseudoProjectiveEncoding.TRACE) {<a name="line.357"></a>
<FONT color="green">358</FONT> // if (nodeLifted.get(i)) {<a name="line.358"></a>
<FONT color="green">359</FONT> // newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getNode(i).getLabelCode(deprelSymbolTable)) + "|";<a name="line.359"></a>
<FONT color="green">360</FONT> // addArc(pdg, pdg.getNode(i), pdg.getNode(i).getHead(), newLabel);<a name="line.360"></a>
<FONT color="green">361</FONT> // }<a name="line.361"></a>
<FONT color="green">362</FONT> // }<a name="line.362"></a>
<FONT color="green">363</FONT> } else if (rootAttachment != CoveredRootAttachment.NONE) {<a name="line.363"></a>
<FONT color="green">364</FONT> pdg.getDependencyNode(index).getHeadEdge().addLabel(ppcoveredRootSymbolTable, ppcoveredRootSymbolTable.getSymbolStringToCode("#true#"));<a name="line.364"></a>
<FONT color="green">365</FONT> }<a name="line.365"></a>
<FONT color="green">366</FONT> }<a name="line.366"></a>
<FONT color="green">367</FONT> }<a name="line.367"></a>
<FONT color="green">368</FONT> <a name="line.368"></a>
<FONT color="green">369</FONT> private void setLabel(DependencyNode node, String label) throws MaltChainedException {<a name="line.369"></a>
<FONT color="green">370</FONT> // node.getLabelCode().clear();<a name="line.370"></a>
<FONT color="green">371</FONT> node.getHeadEdge().getLabelSet().put(deprelSymbolTable, deprelSymbolTable.addSymbol(label));<a name="line.371"></a>
<FONT color="green">372</FONT> }<a name="line.372"></a>
<FONT color="green">373</FONT> <a name="line.373"></a>
<FONT color="green">374</FONT> private void assignPseudoProjectiveDeprelsForMerge(DependencyStructure pdg) throws MaltChainedException {<a name="line.374"></a>
<FONT color="green">375</FONT> Vector<String> originalDeprel = new Vector<String>();<a name="line.375"></a>
<FONT color="green">376</FONT> String newLabel;<a name="line.376"></a>
<FONT color="green">377</FONT> originalDeprel.add(null);<a name="line.377"></a>
<FONT color="green">378</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.378"></a>
<FONT color="green">379</FONT> originalDeprel.add(deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)));<a name="line.379"></a>
<FONT color="green">380</FONT> }<a name="line.380"></a>
<FONT color="green">381</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.381"></a>
<FONT color="green">382</FONT> newLabel = null;<a name="line.382"></a>
<FONT color="green">383</FONT> if (!isCoveredRoot(pdg.getDependencyNode(index))) {<a name="line.383"></a>
<FONT color="green">384</FONT> if (markingStrategy == PseudoProjectiveEncoding.HEAD) {<a name="line.384"></a>
<FONT color="green">385</FONT> if (nodeLifted.get(index)) {<a name="line.385"></a>
<FONT color="green">386</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "|"<a name="line.386"></a>
<FONT color="green">387</FONT> + originalDeprel.get(headDeprel.get(index).getIndex());<a name="line.387"></a>
<FONT color="green">388</FONT> // } else {<a name="line.388"></a>
<FONT color="green">389</FONT> // newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable));<a name="line.389"></a>
<FONT color="green">390</FONT> }<a name="line.390"></a>
<FONT color="green">391</FONT> } else if (markingStrategy == PseudoProjectiveEncoding.PATH) {<a name="line.391"></a>
<FONT color="green">392</FONT> if (nodeLifted.get(index) && nodePath.get(index)) {<a name="line.392"></a>
<FONT color="green">393</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "|%";<a name="line.393"></a>
<FONT color="green">394</FONT> } else if (nodeLifted.get(index) && !nodePath.get(index)) {<a name="line.394"></a>
<FONT color="green">395</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "|";<a name="line.395"></a>
<FONT color="green">396</FONT> } else if (!nodeLifted.get(index) && nodePath.get(index)) {<a name="line.396"></a>
<FONT color="green">397</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "%";<a name="line.397"></a>
<FONT color="green">398</FONT> }<a name="line.398"></a>
<FONT color="green">399</FONT> } else if (markingStrategy == PseudoProjectiveEncoding.HEADPATH) {<a name="line.399"></a>
<FONT color="green">400</FONT> if (nodeLifted.get(index) && nodePath.get(index)) {<a name="line.400"></a>
<FONT color="green">401</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "|"<a name="line.401"></a>
<FONT color="green">402</FONT> + originalDeprel.get(headDeprel.get(index).getIndex()) + "%";<a name="line.402"></a>
<FONT color="green">403</FONT> } else if (nodeLifted.get(index) && !nodePath.get(index)) {<a name="line.403"></a>
<FONT color="green">404</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "|"<a name="line.404"></a>
<FONT color="green">405</FONT> + originalDeprel.get(headDeprel.get(index).getIndex());<a name="line.405"></a>
<FONT color="green">406</FONT> } else if (!nodeLifted.get(index) && nodePath.get(index)) {<a name="line.406"></a>
<FONT color="green">407</FONT> newLabel = originalDeprel.get(pdg.getDependencyNode(index).getIndex()) + "%";<a name="line.407"></a>
<FONT color="green">408</FONT> }<a name="line.408"></a>
<FONT color="green">409</FONT> } else if (markingStrategy == PseudoProjectiveEncoding.TRACE) {<a name="line.409"></a>
<FONT color="green">410</FONT> if (nodeLifted.get(index)) {<a name="line.410"></a>
<FONT color="green">411</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "|";<a name="line.411"></a>
<FONT color="green">412</FONT> }<a name="line.412"></a>
<FONT color="green">413</FONT> }<a name="line.413"></a>
<FONT color="green">414</FONT> } else if (rootAttachment != CoveredRootAttachment.NONE) {<a name="line.414"></a>
<FONT color="green">415</FONT> newLabel = deprelSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(deprelSymbolTable)) + "|null";<a name="line.415"></a>
<FONT color="green">416</FONT> }<a name="line.416"></a>
<FONT color="green">417</FONT> if (newLabel != null) {<a name="line.417"></a>
<FONT color="green">418</FONT> setLabel(pdg.getDependencyNode(index), newLabel);<a name="line.418"></a>
<FONT color="green">419</FONT> }<a name="line.419"></a>
<FONT color="green">420</FONT> }<a name="line.420"></a>
<FONT color="green">421</FONT> }<a name="line.421"></a>
<FONT color="green">422</FONT> <a name="line.422"></a>
<FONT color="green">423</FONT> public void deprojectivize(DependencyStructure pdg) throws MaltChainedException {<a name="line.423"></a>
<FONT color="green">424</FONT> initDeprojeciviztion(pdg);<a name="line.424"></a>
<FONT color="green">425</FONT> <a name="line.425"></a>
<FONT color="green">426</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.426"></a>
<FONT color="green">427</FONT> if (pdg.getDependencyNode(index).getHeadEdge().hasLabel(deprelSymbolTable)) {<a name="line.427"></a>
<FONT color="green">428</FONT> if (pdg.getDependencyNode(index).getHeadEdge().hasLabel(pppathSymbolTable)<a name="line.428"></a>
<FONT color="green">429</FONT> && pppathSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(pppathSymbolTable)).equals("#true#")) {<a name="line.429"></a>
<FONT color="green">430</FONT> setPath(pdg.getDependencyNode(index));<a name="line.430"></a>
<FONT color="green">431</FONT> }<a name="line.431"></a>
<FONT color="green">432</FONT> if (pdg.getDependencyNode(index).getHeadEdge().hasLabel(ppliftedSymbolTable)<a name="line.432"></a>
<FONT color="green">433</FONT> && !ppliftedSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(ppliftedSymbolTable)).equals("#false#")) {<a name="line.433"></a>
<FONT color="green">434</FONT> nodeLifted.set(index, true);<a name="line.434"></a>
<FONT color="green">435</FONT> if (!ppliftedSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(ppliftedSymbolTable)).equals("#true#")) {<a name="line.435"></a>
<FONT color="green">436</FONT> synacticHeadDeprel.set(index, ppliftedSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge()<a name="line.436"></a>
<FONT color="green">437</FONT> .getLabelCode(ppliftedSymbolTable)));<a name="line.437"></a>
<FONT color="green">438</FONT> }<a name="line.438"></a>
<FONT color="green">439</FONT> }<a name="line.439"></a>
<FONT color="green">440</FONT> }<a name="line.440"></a>
<FONT color="green">441</FONT> }<a name="line.441"></a>
<FONT color="green">442</FONT> deattachCoveredRootsForDeprojectivization(pdg);<a name="line.442"></a>
<FONT color="green">443</FONT> if (markingStrategy == PseudoProjectiveEncoding.HEAD && needsDeprojectivizeWithHead(pdg)) {<a name="line.443"></a>
<FONT color="green">444</FONT> deprojectivizeWithHead(pdg, pdg.getDependencyRoot());<a name="line.444"></a>
<FONT color="green">445</FONT> } else if (markingStrategy == PseudoProjectiveEncoding.PATH) {<a name="line.445"></a>
<FONT color="green">446</FONT> deprojectivizeWithPath(pdg, pdg.getDependencyRoot());<a name="line.446"></a>
<FONT color="green">447</FONT> } else if (markingStrategy == PseudoProjectiveEncoding.HEADPATH) {<a name="line.447"></a>
<FONT color="green">448</FONT> deprojectivizeWithHeadAndPath(pdg, pdg.getDependencyRoot());<a name="line.448"></a>
<FONT color="green">449</FONT> // } else if (markingStrategy == PseudoProjectiveEncoding.TRACE) {<a name="line.449"></a>
<FONT color="green">450</FONT> // deprojectivizeWithTrace(pdg, pdg.getRoot());<a name="line.450"></a>
<FONT color="green">451</FONT> }<a name="line.451"></a>
<FONT color="green">452</FONT> }<a name="line.452"></a>
<FONT color="green">453</FONT> <a name="line.453"></a>
<FONT color="green">454</FONT> private void initDeprojeciviztion(DependencyStructure pdg) {<a name="line.454"></a>
<FONT color="green">455</FONT> nodeLifted.clear();<a name="line.455"></a>
<FONT color="green">456</FONT> nodePath.clear();<a name="line.456"></a>
<FONT color="green">457</FONT> synacticHeadDeprel.clear();<a name="line.457"></a>
<FONT color="green">458</FONT> for (int index : pdg.getDependencyIndices()) {<a name="line.458"></a>
<FONT color="green">459</FONT> nodeLifted.add(false);<a name="line.459"></a>
<FONT color="green">460</FONT> nodePath.add(false);<a name="line.460"></a>
<FONT color="green">461</FONT> synacticHeadDeprel.add(null);<a name="line.461"></a>
<FONT color="green">462</FONT> }<a name="line.462"></a>
<FONT color="green">463</FONT> }<a name="line.463"></a>
<FONT color="green">464</FONT> <a name="line.464"></a>
<FONT color="green">465</FONT> private void deattachCoveredRootsForDeprojectivization(DependencyStructure pdg) throws MaltChainedException {<a name="line.465"></a>
<FONT color="green">466</FONT> for (int index : pdg.getTokenIndices()) {<a name="line.466"></a>
<FONT color="green">467</FONT> if (pdg.getDependencyNode(index).getHeadEdge().hasLabel(deprelSymbolTable)) {<a name="line.467"></a>
<FONT color="green">468</FONT> if (pdg.getDependencyNode(index).getHeadEdge().hasLabel(ppcoveredRootSymbolTable)<a name="line.468"></a>
<FONT color="green">469</FONT> && ppcoveredRootSymbolTable.getSymbolCodeToString(pdg.getDependencyNode(index).getHeadEdge().getLabelCode(ppcoveredRootSymbolTable)).equals(<a name="line.469"></a>
<FONT color="green">470</FONT> "#true#")) {<a name="line.470"></a>
<FONT color="green">471</FONT> pdg.moveDependencyEdge(pdg.getDependencyRoot().getIndex(), pdg.getDependencyNode(index).getIndex());<a name="line.471"></a>
<FONT color="green">472</FONT> }<a name="line.472"></a>
<FONT color="green">473</FONT> }<a name="line.473"></a>
<FONT color="green">474</FONT> }<a name="line.474"></a>
<FONT color="green">475</FONT> }<a name="line.475"></a>
<FONT color="green">476</FONT> <a name="line.476"></a>
<FONT color="green">477</FONT> // Check whether there is at least one node in the specified dependency structure that can be lifted.<a name="line.477"></a>
<FONT color="green">478</FONT> // If this is not the case, there is no need to call deprojectivizeWithHead.<a name="line.478"></a>
<FONT color="green">479</FONT> <a name="line.479"></a>
<FONT color="green">480</FONT> private boolean needsDeprojectivizeWithHead(DependencyStructure pdg) throws MaltChainedException {<a name="line.480"></a>
<FONT color="green">481</FONT> for (int index : pdg.getDependencyIndices()) {<a name="line.481"></a>
<FONT color="green">482</FONT> if (nodeLifted.get(index)) {<a name="line.482"></a>
<FONT color="green">483</FONT> DependencyNode node = pdg.getDependencyNode(index);<a name="line.483"></a>
<FONT color="green">484</FONT> if (breadthFirstSearchSortedByDistanceForHead(pdg, node.getHead(), node, synacticHeadDeprel.get(index)) != null) {<a name="line.484"></a>
<FONT color="green">485</FONT> return true;<a name="line.485"></a>
<FONT color="green">486</FONT> }<a name="line.486"></a>
<FONT color="green">487</FONT> }<a name="line.487"></a>
<FONT color="green">488</FONT> }<a name="line.488"></a>
<FONT color="green">489</FONT> return false;<a name="line.489"></a>
<FONT color="green">490</FONT> }<a name="line.490"></a>
<FONT color="green">491</FONT> <a name="line.491"></a>
<FONT color="green">492</FONT> private boolean deprojectivizeWithHead(DependencyStructure pdg, DependencyNode node) throws MaltChainedException {<a name="line.492"></a>
<FONT color="green">493</FONT> boolean success = true, childSuccess = false;<a name="line.493"></a>
<FONT color="green">494</FONT> int i, childAttempts = 2;<a name="line.494"></a>
<FONT color="green">495</FONT> DependencyNode child, possibleSyntacticHead;<a name="line.495"></a>
<FONT color="green">496</FONT> String syntacticHeadDeprel;<a name="line.496"></a>
<FONT color="green">497</FONT> if (nodeLifted.get(node.getIndex())) {<a name="line.497"></a>
<FONT color="green">498</FONT> syntacticHeadDeprel = synacticHeadDeprel.get(node.getIndex());<a name="line.498"></a>
<FONT color="green">499</FONT> possibleSyntacticHead = breadthFirstSearchSortedByDistanceForHead(pdg, node.getHead(), node, syntacticHeadDeprel);<a name="line.499"></a>
<FONT color="green">500</FONT> if (possibleSyntacticHead != null) {<a name="line.500"></a>
<FONT color="green">501</FONT> pdg.moveDependencyEdge(possibleSyntacticHead.getIndex(), node.getIndex());<a name="line.501"></a>
<FONT color="green">502</FONT> // addEdge(pdg, possibleSyntacticHead, node, node.getHeadEdge().getLabelSet());<a name="line.502"></a>
<FONT color="green">503</FONT> nodeLifted.set(node.getIndex(), false);<a name="line.503"></a>
<FONT color="green">504</FONT> } else {<a name="line.504"></a>
<FONT color="green">505</FONT> success = false;<a name="line.505"></a>
<FONT color="green">506</FONT> }<a name="line.506"></a>
<FONT color="green">507</FONT> }<a name="line.507"></a>
<FONT color="green">508</FONT> while (!childSuccess && childAttempts > 0) {<a name="line.508"></a>
<FONT color="green">509</FONT> childSuccess = true;<a name="line.509"></a>
<FONT color="green">510</FONT> Vector<DependencyNode> children = new Vector<DependencyNode>();<a name="line.510"></a>
<FONT color="green">511</FONT> i = 0;<a name="line.511"></a>
<FONT color="green">512</FONT> while ((child = node.getLeftDependent(i)) != null) {<a name="line.512"></a>
<FONT color="green">513</FONT> children.add(child);<a name="line.513"></a>
<FONT color="green">514</FONT> i++;<a name="line.514"></a>
<FONT color="green">515</FONT> }<a name="line.515"></a>
<FONT color="green">516</FONT> i = 0;<a name="line.516"></a>
<FONT color="green">517</FONT> while ((child = node.getRightDependent(i)) != null) {<a name="line.517"></a>
<FONT color="green">518</FONT> children.add(child);<a name="line.518"></a>
<FONT color="green">519</FONT> i++;<a name="line.519"></a>
<FONT color="green">520</FONT> }<a name="line.520"></a>
<FONT color="green">521</FONT> for (i = 0; i < children.size(); i++) {<a name="line.521"></a>
<FONT color="green">522</FONT> child = children.get(i);<a name="line.522"></a>
<FONT color="green">523</FONT> if (!deprojectivizeWithHead(pdg, child)) {<a name="line.523"></a>
<FONT color="green">524</FONT> childSuccess = false;<a name="line.524"></a>
<FONT color="green">525</FONT> }<a name="line.525"></a>
<FONT color="green">526</FONT> }<a name="line.526"></a>
<FONT color="green">527</FONT> childAttempts--;<a name="line.527"></a>
<FONT color="green">528</FONT> }<a name="line.528"></a>
<FONT color="green">529</FONT> return childSuccess && success;<a name="line.529"></a>
<FONT color="green">530</FONT> }<a name="line.530"></a>
<FONT color="green">531</FONT> <a name="line.531"></a>
<FONT color="green">532</FONT> private DependencyNode breadthFirstSearchSortedByDistanceForHead(DependencyStructure dg, DependencyNode start, DependencyNode avoid, String syntacticHeadDeprel)<a name="line.532"></a>
<FONT color="green">533</FONT> throws MaltChainedException {<a name="line.533"></a>
<FONT color="green">534</FONT> DependencyNode dependent;<a name="line.534"></a>
<FONT color="green">535</FONT> String dependentDeprel;<a name="line.535"></a>
<FONT color="green">536</FONT> Vector<DependencyNode> nodes = new Vector<DependencyNode>();<a name="line.536"></a>
<FONT color="green">537</FONT> nodes.addAll(findAllDependentsVectorSortedByDistanceToPProjNode(dg, start, avoid, false));<a name="line.537"></a>
<FONT color="green">538</FONT> while (nodes.size() > 0) {<a name="line.538"></a>
<FONT color="green">539</FONT> dependent = nodes.remove(0);<a name="line.539"></a>
<FONT color="green">540</FONT> if (dependent.getHeadEdge().hasLabel(deprelSymbolTable)) {<a name="line.540"></a>
<FONT color="green">541</FONT> dependentDeprel = deprelSymbolTable.getSymbolCodeToString(dependent.getHeadEdge().getLabelCode(deprelSymbolTable));<a name="line.541"></a>
<FONT color="green">542</FONT> if (dependentDeprel.equals(syntacticHeadDeprel)) {<a name="line.542"></a>
<FONT color="green">543</FONT> return dependent;<a name="line.543"></a>
<FONT color="green">544</FONT> }<a name="line.544"></a>
<FONT color="green">545</FONT> }<a name="line.545"></a>
<FONT color="green">546</FONT> nodes.addAll(findAllDependentsVectorSortedByDistanceToPProjNode(dg, dependent, avoid, false));<a name="line.546"></a>
<FONT color="green">547</FONT> }<a name="line.547"></a>
<FONT color="green">548</FONT> return null;<a name="line.548"></a>
<FONT color="green">549</FONT> }<a name="line.549"></a>
<FONT color="green">550</FONT> <a name="line.550"></a>
<FONT color="green">551</FONT> private Vector<DependencyNode> findAllDependentsVectorSortedByDistanceToPProjNode(DependencyStructure dg, DependencyNode governor, DependencyNode avoid,<a name="line.551"></a>
<FONT color="green">552</FONT> boolean percentOnly) {<a name="line.552"></a>
<FONT color="green">553</FONT> int i, j;<a name="line.553"></a>
<FONT color="green">554</FONT> Vector<DependencyNode> dependents = new Vector<DependencyNode>();<a name="line.554"></a>
<FONT color="green">555</FONT> DependencyNode leftChild, rightChild;<a name="line.555"></a>
<FONT color="green">556</FONT> <a name="line.556"></a>
<FONT color="green">557</FONT> i = governor.getLeftDependentCount() - 1;<a name="line.557"></a>
<FONT color="green">558</FONT> j = 0;<a name="line.558"></a>
<FONT color="green">559</FONT> leftChild = governor.getLeftDependent(i--);<a name="line.559"></a>
<FONT color="green">560</FONT> rightChild = governor.getRightDependent(j++);<a name="line.560"></a>
<FONT color="green">561</FONT> <a name="line.561"></a>
<FONT color="green">562</FONT> while (leftChild != null && rightChild != null) {<a name="line.562"></a>
<FONT color="green">563</FONT> if (leftChild == avoid) {<a name="line.563"></a>
<FONT color="green">564</FONT> leftChild = governor.getLeftDependent(i--);<a name="line.564"></a>
<FONT color="green">565</FONT> } else if (rightChild == avoid) {<a name="line.565"></a>
<FONT color="green">566</FONT> rightChild = governor.getRightDependent(j++);<a name="line.566"></a>
<FONT color="green">567</FONT> } else if (Math.abs(leftChild.getIndex() - avoid.getIndex()) < Math.abs(rightChild.getIndex() - avoid.getIndex())) {<a name="line.567"></a>
<FONT color="green">568</FONT> if (!percentOnly || (percentOnly && nodePath.get(leftChild.getIndex()))) {<a name="line.568"></a>
<FONT color="green">569</FONT> dependents.add(leftChild);<a name="line.569"></a>
<FONT color="green">570</FONT> }<a name="line.570"></a>
<FONT color="green">571</FONT> leftChild = governor.getLeftDependent(i--);<a name="line.571"></a>
<FONT color="green">572</FONT> } else {<a name="line.572"></a>
<FONT color="green">573</FONT> if (!percentOnly || (percentOnly && nodePath.get(rightChild.getIndex()))) {<a name="line.573"></a>
<FONT color="green">574</FONT> dependents.add(rightChild);<a name="line.574"></a>
<FONT color="green">575</FONT> }<a name="line.575"></a>
<FONT color="green">576</FONT> rightChild = governor.getRightDependent(j++);<a name="line.576"></a>
<FONT color="green">577</FONT> }<a name="line.577"></a>
<FONT color="green">578</FONT> }<a name="line.578"></a>
<FONT color="green">579</FONT> while (leftChild != null) {<a name="line.579"></a>
<FONT color="green">580</FONT> if (leftChild != avoid && (!percentOnly || (percentOnly && nodePath.get(leftChild.getIndex())))) {<a name="line.580"></a>
<FONT color="green">581</FONT> dependents.add(leftChild);<a name="line.581"></a>
<FONT color="green">582</FONT> }<a name="line.582"></a>
<FONT color="green">583</FONT> leftChild = governor.getLeftDependent(i--);<a name="line.583"></a>
<FONT color="green">584</FONT> }<a name="line.584"></a>
<FONT color="green">585</FONT> while (rightChild != null) {<a name="line.585"></a>
<FONT color="green">586</FONT> if (rightChild != avoid && (!percentOnly || (percentOnly && nodePath.get(rightChild.getIndex())))) {<a name="line.586"></a>
<FONT color="green">587</FONT> dependents.add(rightChild);<a name="line.587"></a>
<FONT color="green">588</FONT> }<a name="line.588"></a>
<FONT color="green">589</FONT> rightChild = governor.getRightDependent(j++);<a name="line.589"></a>
<FONT color="green">590</FONT> }<a name="line.590"></a>
<FONT color="green">591</FONT> return dependents;<a name="line.591"></a>
<FONT color="green">592</FONT> }<a name="line.592"></a>
<FONT color="green">593</FONT> <a name="line.593"></a>
<FONT color="green">594</FONT> private boolean deprojectivizeWithPath(DependencyStructure pdg, DependencyNode node) throws MaltChainedException {<a name="line.594"></a>
<FONT color="green">595</FONT> boolean success = true, childSuccess = false;<a name="line.595"></a>
<FONT color="green">596</FONT> int i, childAttempts = 2;<a name="line.596"></a>
<FONT color="green">597</FONT> DependencyNode child, possibleSyntacticHead;<a name="line.597"></a>
<FONT color="green">598</FONT> if (node.hasHead() && node.getHeadEdge().isLabeled() && nodeLifted.get(node.getIndex()) && nodePath.get(node.getIndex())) {<a name="line.598"></a>
<FONT color="green">599</FONT> possibleSyntacticHead = breadthFirstSearchSortedByDistanceForPath(pdg, node.getHead(), node);<a name="line.599"></a>
<FONT color="green">600</FONT> if (possibleSyntacticHead != null) {<a name="line.600"></a>
<FONT color="green">601</FONT> pdg.moveDependencyEdge(possibleSyntacticHead.getIndex(), node.getIndex());<a name="line.601"></a>
<FONT color="green">602</FONT> // addEdge(pdg, possibleSyntacticHead, node, node.getHeadEdge().getLabelSet());<a name="line.602"></a>
<FONT color="green">603</FONT> nodeLifted.set(node.getIndex(), false);<a name="line.603"></a>
<FONT color="green">604</FONT> } else {<a name="line.604"></a>
<FONT color="green">605</FONT> success = false;<a name="line.605"></a>
<FONT color="green">606</FONT> }<a name="line.606"></a>
<FONT color="green">607</FONT> }<a name="line.607"></a>
<FONT color="green">608</FONT> if (node.hasHead() && node.getHeadEdge().isLabeled() && nodeLifted.get(node.getIndex())) {<a name="line.608"></a>
<FONT color="green">609</FONT> possibleSyntacticHead = breadthFirstSearchSortedByDistanceForPath(pdg, node.getHead(), node);<a name="line.609"></a>
<FONT color="green">610</FONT> if (possibleSyntacticHead != null) {<a name="line.610"></a>
<FONT color="green">611</FONT> pdg.moveDependencyEdge(possibleSyntacticHead.getIndex(), node.getIndex());<a name="line.611"></a>
<FONT color="green">612</FONT> // addEdge(pdg, possibleSyntacticHead, node, node.getHeadEdge().getLabelSet());<a name="line.612"></a>
<FONT color="green">613</FONT> nodeLifted.set(node.getIndex(), false);<a name="line.613"></a>
<FONT color="green">614</FONT> } else {<a name="line.614"></a>
<FONT color="green">615</FONT> success = false;<a name="line.615"></a>
<FONT color="green">616</FONT> }<a name="line.616"></a>
<FONT color="green">617</FONT> }<a name="line.617"></a>
<FONT color="green">618</FONT> while (!childSuccess && childAttempts > 0) {<a name="line.618"></a>
<FONT color="green">619</FONT> childSuccess = true;<a name="line.619"></a>
<FONT color="green">620</FONT> Vector<DependencyNode> children = new Vector<DependencyNode>();<a name="line.620"></a>
<FONT color="green">621</FONT> i = 0;<a name="line.621"></a>
<FONT color="green">622</FONT> while ((child = node.getLeftDependent(i)) != null) {<a name="line.622"></a>
<FONT color="green">623</FONT> children.add(child);<a name="line.623"></a>
<FONT color="green">624</FONT> i++;<a name="line.624"></a>
<FONT color="green">625</FONT> }<a name="line.625"></a>
<FONT color="green">626</FONT> i = 0;<a name="line.626"></a>
<FONT color="green">627</FONT> while ((child = node.getRightDependent(i)) != null) {<a name="line.627"></a>
<FONT color="green">628</FONT> children.add(child);<a name="line.628"></a>
<FONT color="green">629</FONT> i++;<a name="line.629"></a>
<FONT color="green">630</FONT> }<a name="line.630"></a>
<FONT color="green">631</FONT> for (i = 0; i < children.size(); i++) {<a name="line.631"></a>
<FONT color="green">632</FONT> child = children.get(i);<a name="line.632"></a>
<FONT color="green">633</FONT> if (!deprojectivizeWithPath(pdg, child)) {<a name="line.633"></a>
<FONT color="green">634</FONT> childSuccess = false;<a name="line.634"></a>
<FONT color="green">635</FONT> }<a name="line.635"></a>
<FONT color="green">636</FONT> }<a name="line.636"></a>
<FONT color="green">637</FONT> childAttempts--;<a name="line.637"></a>
<FONT color="green">638</FONT> }<a name="line.638"></a>
<FONT color="green">639</FONT> return childSuccess && success;<a name="line.639"></a>
<FONT color="green">640</FONT> }<a name="line.640"></a>
<FONT color="green">641</FONT> <a name="line.641"></a>
<FONT color="green">642</FONT> private DependencyNode breadthFirstSearchSortedByDistanceForPath(DependencyStructure dg, DependencyNode start, DependencyNode avoid) {<a name="line.642"></a>
<FONT color="green">643</FONT> DependencyNode dependent;<a name="line.643"></a>
<FONT color="green">644</FONT> Vector<DependencyNode> nodes = new Vector<DependencyNode>(), newNodes;<a name="line.644"></a>
<FONT color="green">645</FONT> nodes.addAll(findAllDependentsVectorSortedByDistanceToPProjNode(dg, start, avoid, true));<a name="line.645"></a>
<FONT color="green">646</FONT> while (nodes.size() > 0) {<a name="line.646"></a>
<FONT color="green">647</FONT> dependent = nodes.remove(0);<a name="line.647"></a>
<FONT color="green">648</FONT> if (((newNodes = findAllDependentsVectorSortedByDistanceToPProjNode(dg, dependent, avoid, true)).size()) == 0) {<a name="line.648"></a>
<FONT color="green">649</FONT> return dependent;<a name="line.649"></a>
<FONT color="green">650</FONT> }<a name="line.650"></a>
<FONT color="green">651</FONT> nodes.addAll(newNodes);<a name="line.651"></a>
<FONT color="green">652</FONT> }<a name="line.652"></a>
<FONT color="green">653</FONT> return null;<a name="line.653"></a>
<FONT color="green">654</FONT> }<a name="line.654"></a>
<FONT color="green">655</FONT> <a name="line.655"></a>
<FONT color="green">656</FONT> private boolean deprojectivizeWithHeadAndPath(DependencyStructure pdg, DependencyNode node) throws MaltChainedException {<a name="line.656"></a>
<FONT color="green">657</FONT> boolean success = true, childSuccess = false;<a name="line.657"></a>
<FONT color="green">658</FONT> int i, childAttempts = 2;<a name="line.658"></a>
<FONT color="green">659</FONT> DependencyNode child, possibleSyntacticHead;<a name="line.659"></a>
<FONT color="green">660</FONT> if (node.hasHead() && node.getHeadEdge().isLabeled() && nodeLifted.get(node.getIndex()) && nodePath.get(node.getIndex())) {<a name="line.660"></a>
<FONT color="green">661</FONT> possibleSyntacticHead = breadthFirstSearchSortedByDistanceForHeadAndPath(pdg, node.getHead(), node, synacticHeadDeprel.get(node<a name="line.661"></a>
<FONT color="green">662</FONT> .getIndex()));<a name="line.662"></a>
<FONT color="green">663</FONT> if (possibleSyntacticHead != null) {<a name="line.663"></a>
<FONT color="green">664</FONT> pdg.moveDependencyEdge(possibleSyntacticHead.getIndex(), node.getIndex());<a name="line.664"></a>
<FONT color="green">665</FONT> // addEdge(pdg, possibleSyntacticHead, node, node.getHeadEdge().getLabelSet());<a name="line.665"></a>
<FONT color="green">666</FONT> nodeLifted.set(node.getIndex(), false);<a name="line.666"></a>
<FONT color="green">667</FONT> } else {<a name="line.667"></a>
<FONT color="green">668</FONT> success = false;<a name="line.668"></a>
<FONT color="green">669</FONT> }<a name="line.669"></a>
<FONT color="green">670</FONT> }<a name="line.670"></a>
<FONT color="green">671</FONT> if (node.hasHead() && node.getHeadEdge().isLabeled() && nodeLifted.get(node.getIndex())) {<a name="line.671"></a>
<FONT color="green">672</FONT> possibleSyntacticHead = breadthFirstSearchSortedByDistanceForHeadAndPath(pdg, node.getHead(), node, synacticHeadDeprel.get(node<a name="line.672"></a>
<FONT color="green">673</FONT> .getIndex()));<a name="line.673"></a>
<FONT color="green">674</FONT> if (possibleSyntacticHead != null) {<a name="line.674"></a>
<FONT color="green">675</FONT> pdg.moveDependencyEdge(possibleSyntacticHead.getIndex(), node.getIndex());<a name="line.675"></a>
<FONT color="green">676</FONT> // addEdge(pdg, possibleSyntacticHead, node, node.getHeadEdge().getLabelSet());<a name="line.676"></a>
<FONT color="green">677</FONT> nodeLifted.set(node.getIndex(), false);<a name="line.677"></a>
<FONT color="green">678</FONT> } else {<a name="line.678"></a>
<FONT color="green">679</FONT> success = false;<a name="line.679"></a>
<FONT color="green">680</FONT> }<a name="line.680"></a>
<FONT color="green">681</FONT> }<a name="line.681"></a>
<FONT color="green">682</FONT> while (!childSuccess && childAttempts > 0) {<a name="line.682"></a>
<FONT color="green">683</FONT> childSuccess = true;<a name="line.683"></a>
<FONT color="green">684</FONT> Vector<DependencyNode> children = new Vector<DependencyNode>();<a name="line.684"></a>
<FONT color="green">685</FONT> i = 0;<a name="line.685"></a>
<FONT color="green">686</FONT> while ((child = node.getLeftDependent(i)) != null) {<a name="line.686"></a>
<FONT color="green">687</FONT> children.add(child);<a name="line.687"></a>
<FONT color="green">688</FONT> i++;<a name="line.688"></a>
<FONT color="green">689</FONT> }<a name="line.689"></a>
<FONT color="green">690</FONT> i = 0;<a name="line.690"></a>
<FONT color="green">691</FONT> while ((child = node.getRightDependent(i)) != null) {<a name="line.691"></a>
<FONT color="green">692</FONT> children.add(child);<a name="line.692"></a>
<FONT color="green">693</FONT> i++;<a name="line.693"></a>
<FONT color="green">694</FONT> }<a name="line.694"></a>
<FONT color="green">695</FONT> for (i = 0; i < children.size(); i++) {<a name="line.695"></a>
<FONT color="green">696</FONT> child = children.get(i);<a name="line.696"></a>
<FONT color="green">697</FONT> if (!deprojectivizeWithHeadAndPath(pdg, child)) {<a name="line.697"></a>
<FONT color="green">698</FONT> childSuccess = false;<a name="line.698"></a>
<FONT color="green">699</FONT> }<a name="line.699"></a>
<FONT color="green">700</FONT> }<a name="line.700"></a>
<FONT color="green">701</FONT> childAttempts--;<a name="line.701"></a>
<FONT color="green">702</FONT> }<a name="line.702"></a>
<FONT color="green">703</FONT> return childSuccess && success;<a name="line.703"></a>
<FONT color="green">704</FONT> }<a name="line.704"></a>
<FONT color="green">705</FONT> <a name="line.705"></a>
<FONT color="green">706</FONT> private DependencyNode breadthFirstSearchSortedByDistanceForHeadAndPath(DependencyStructure dg, DependencyNode start, DependencyNode avoid, String syntacticHeadDeprelCode)<a name="line.706"></a>
<FONT color="green">707</FONT> throws MaltChainedException {<a name="line.707"></a>
<FONT color="green">708</FONT> DependencyNode dependent;<a name="line.708"></a>
<FONT color="green">709</FONT> Vector<DependencyNode> nodes = new Vector<DependencyNode>(), newNodes = null, secondChance = new Vector<DependencyNode>();<a name="line.709"></a>
<FONT color="green">710</FONT> nodes.addAll(findAllDependentsVectorSortedByDistanceToPProjNode(dg, start, avoid, true));<a name="line.710"></a>
<FONT color="green">711</FONT> while (nodes.size() > 0) {<a name="line.711"></a>
<FONT color="green">712</FONT> dependent = nodes.remove(0);<a name="line.712"></a>
<FONT color="green">713</FONT> if (((newNodes = findAllDependentsVectorSortedByDistanceToPProjNode(dg, dependent, avoid, true)).size()) == 0<a name="line.713"></a>
<FONT color="green">714</FONT> && deprelSymbolTable.getSymbolCodeToString(dependent.getHeadEdge().getLabelCode(deprelSymbolTable)).equals(syntacticHeadDeprelCode)) {<a name="line.714"></a>
<FONT color="green">715</FONT> return dependent;<a name="line.715"></a>
<FONT color="green">716</FONT> }<a name="line.716"></a>
<FONT color="green">717</FONT> nodes.addAll(newNodes);<a name="line.717"></a>
<FONT color="green">718</FONT> if (deprelSymbolTable.getSymbolCodeToString(dependent.getHeadEdge().getLabelCode(deprelSymbolTable)).equals(syntacticHeadDeprelCode)<a name="line.718"></a>
<FONT color="green">719</FONT> && newNodes.size() != 0) {<a name="line.719"></a>
<FONT color="green">720</FONT> secondChance.add(dependent);<a name="line.720"></a>
<FONT color="green">721</FONT> }<a name="line.721"></a>
<FONT color="green">722</FONT> }<a name="line.722"></a>
<FONT color="green">723</FONT> if (secondChance.size() > 0) {<a name="line.723"></a>
<FONT color="green">724</FONT> return secondChance.firstElement();<a name="line.724"></a>
<FONT color="green">725</FONT> }<a name="line.725"></a>
<FONT color="green">726</FONT> return null;<a name="line.726"></a>
<FONT color="green">727</FONT> }<a name="line.727"></a>
<FONT color="green">728</FONT> }<a name="line.728"></a>
</PRE>
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