<?xml version="1.0" encoding="utf-8"?>

<pml_schema xmlns="http://ufal.mff.cuni.cz/pdt/pml/schema/"  version="1.1">
  <revision>1.0.0</revision>
  <description>Subschema for a-layer trees</description>

  <import type="iset.type" schema="treex_subschema_interset.xml"/>

 <!--  a-layer representation (merged with m-layer) -->

  <type name="a-root.type">
    <structure role="#NODE" name="a-root">
      <member name="id" role="#ID" as_attribute="1"  required="1"><cdata format="ID"/></member>
      
      <member name="giza_scores">
        <structure>
           <member name="counterpart.rf">
              <cdata format="PMLREF"/>
           </member>
           <member name="therevalue">
              <cdata format="any"/>
           </member>
           <member name="backvalue">
              <cdata format="any"/>
           </member>
        </structure>
      </member>
      <member name="ptree.rf"><cdata format="PMLREF"/></member>
      <member name="s.rf"><cdata format="PMLREF"/></member>
      <member name="afun"><constant>AuxS</constant></member>
      <member name="ord" role="#ORDER" required="1"><cdata format="nonNegativeInteger"/></member>
      <member name="children" role="#CHILDNODES"><list type="a-node.type" ordered="1"/></member>
      <!-- Should the sentence be parsed once again?
           This is useful when tags has been fixed (with the knowledge of the parse). Popel 23.5.2009 -->
      <member name="reparse" type="bool.type"/>
      <member name="wild_dump"><cdata format="any"/></member>
    </structure>
  </type>


  <type name="a-node.type">
    <structure role="#NODE" name="a-node">
      <member name="children" role="#CHILDNODES"><list type="a-node.type" ordered="1"/></member>

      <!--**************  COVERED BY TREEX API METHODS ************-->
      <member name="id" role="#ID" as_attribute="1" required="1"><cdata format="ID"/></member>

      <!-- former m-layer attributes (reduced) -->
      <member name="form"><cdata format="any"/></member>
      <member name="lemma"><cdata format="any"/></member>
      <member name="tag"><cdata format="any"/></member>
      <!-- detailed list of morphosyntactic features (may correspond to the tag attribute) -->
      <member name="iset" type="iset.type"/>
      <member name="no_space_after" type="bool.type"/>
      <member name="translit"><cdata format="any"/></member>

      <!-- former a-layer attributes -->
      <member name="ord" role="#ORDER" required="1"><cdata format="nonNegativeInteger"/></member>
      <member name="afun" type="afun.type" />
      <member name="is_member" type="bool.type"/>

      <!-- CoNLL shared task attributes (deprel, pos, cpos, feat) are grouped in one structure -->
      <member name="conll" type="a-conll.type"/>

      <!-- Shared modifiers of coordinations can be distinguished in PDT style
           just based on the fact they are hanged on the conjunction (coord. head).
           However, in other styles (e.g. Stanford) this attribute might be useful. -->
      <member name="is_shared_modifier" type="bool.type"/>

      <!-- attributes for conversion to t-tree -->
      <member name="edge_to_collapse" type="bool.type"/>
      <member name="is_auxiliary" type="bool.type"/>

      <!-- ??? -->
      <member name="is_parenthesis_root" type="bool.type" />

      <!-- clause segmentation -->
      <member name="clause_number"><cdata format="any"/></member>
      <member name="is_clause_head" type="bool.type"/> <!-- We mean finite clause head, but that's the same as with is_clause_head on t-layer!!! --> 

      <!--**************  NOT YET COVERED BY TREEX API METHODS ************-->
      <member name="morphcat" type="czech_morphcat.type"/> <!-- This should be in Treex API, i.e. not redundant with tag -->

      <!-- surface coreference -->
      <member name="coref" type="a_coreference.type"/>

      <!-- link to p-layer -->
      <member name="p_terminal.rf"><cdata format="PMLREF"/></member>

      <member name="alignment">
          <list ordered="0" type="align-links.type"/>
      </member>

      <!-- tentative -->
      <member name="chunks"><list ordered="0"><cdata format="any"/></list>
      </member>  

      <member name="wild_dump"><cdata format="any"/></member>

    </structure>
  </type>

  <type name="a-conll.type">
    <structure>
      <member name="deprel"><cdata format="any"/></member> <!--dependency relation-->
      <member name="cpos"><cdata format="any"/></member>   <!--coarse-grained part-of-speech tag-->
      <member name="pos"><cdata format="any"/></member>    <!--fine-grained part-of-speech tag-->
      <member name="feat"><cdata format="any"/></member>   <!--various other features separated by |-->
    </structure>
  </type>
      


  <type name="a_coreference.type"> <!-- analyticka koreference pro Jirku Mirovskeho -->
    <structure>
       <member name="markable" type="bool.type"/> <!-- a token to be considered as anaphor/antecedent -->
       <member name="introduction" type="bool.type"/> <!-- first introduction of the entity to the discourse -->
       <member name="anaphor_type"> <cdata format="any"/> </member> <!-- the type of the anaphor - pronoun, proper_noun, demonstrative_noun_phrase, common_noun -->
       <member name="target-node.rf"> <cdata format="PMLREF"/> </member>
       <member name="type"> <cdata format="any"/> </member>
       <member name="src"> <cdata format="any"/> </member>
    </structure>
  </type>

  <type name="afun.type">
    <choice>
      <value>Pred</value>
      <value>Pnom</value>
      <value>AuxV</value>
      <value>Sb</value>
      <value>Obj</value>
      <value>Atr</value>
      <value>Adv</value>
      <value>AtrAdv</value>
      <value>AdvAtr</value>
      <value>Coord</value>
      <value>AtrObj</value>
      <value>ObjAtr</value>
      <value>AtrAtr</value>
      <value>AuxT</value>
      <value>AuxR</value>
      <value>AuxP</value>
      <value>Apos</value>
      <value>ExD</value>
      <value>AuxC</value>
      <value>Atv</value>
      <value>AtvV</value>
      <value>AuxO</value>
      <value>AuxZ</value>
      <value>AuxY</value>
      <value>AuxG</value>
      <value>AuxK</value>
      <value>AuxX</value>
      <!-- afun for articles/determiners used in en_generate. ptacek 2008 -->
      <value>Det</value>
      <!-- afun for English articles "a", "an", "the" (used in SEnglishM_to_SEnglishA).
           Other determiners (this,each,any,some,every,no... PennTag=DT) have usually afun Atr. Popel 9.5.2009 -->
      <value>AuxA</value>
      <!-- afun for english negation "not". On PDT-like t-layer it should be #Neg node, so it's not auxiliary, I think. Popel 9.5.2009 -->
      <value>Neg</value>
      <!-- values added because of Prague Arabic Dependency Treebank -->
      <value>AuxM</value>
      <value>AuxE</value>
      <value>Ante</value>
      <!-- values added because of Tamil Dependency Treebank (TamilTB.v0.1) by Loganathan Ramasamy -->
      <value>AAdjn</value>
      <value>AComp</value>
      <value>AdjAtr</value>
      <value>CC</value>
      <value>Comp</value>
      <!-- afun for unrecognized value -->
      <value>NR</value>
    </choice>
  </type>

  <type name="czech_morphcat.type">
    <structure>
        <member name="pos"><cdata format="any"/></member>
        <member name="subpos"><cdata format="any"/></member>
        <member name="synpos"><cdata format="any"/></member>
        <member name="gender"><cdata format="any"/></member>
        <member name="number"><cdata format="any"/></member>
        <member name="case"><cdata format="any"/></member>
        <member name="possgender"><cdata format="any"/></member>
        <member name="possnumber"><cdata format="any"/></member>
        <member name="person"><cdata format="any"/></member>
        <member name="tense"><cdata format="any"/></member>
        <member name="grade"><cdata format="any"/></member>
        <member name="negation"><cdata format="any"/></member>
        <member name="voice"><cdata format="any"/></member>
        <member name="reserve1"><cdata format="any"/></member>
        <member name="reserve2"><cdata format="any"/></member>
        <!-- ptacek 5.8.2008 for en/cz_generate -->
        <member name="compound_person"><cdata format="any"/></member>
        <member name="compound_number"><cdata format="any"/></member>
        <member name="compound_gender"><cdata format="any"/></member>
        <member name="ordering_type"><cdata format="any"/></member>
        <!-- zabokrtsky because of Arabic -->
        <member name="definiteness"><cdata format="any"/></member>
        <member name="mood"><cdata format="any"/></member>
    </structure>
  </type>

  <type name="align-links.type">
    <structure>
       <member name="counterpart.rf">
          <cdata format="PMLREF"/>
       </member>
       <member name="type">
          <cdata format="any"/>
       </member>
    </structure>
 </type>


  <type name="m-form_change.type">
    <choice>
      <value>ctcd</value>
      <value>spell</value>
      <value>insert</value>
      <value>num_normalization</value>
    </choice>
  </type>



<!-- radeji do common -->
  <type name="bool.type">
    <choice>
      <value>0</value>
      <value>1</value>
    </choice>
  </type>


</pml_schema>