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NAME

Text::Corpus::VoiceOfAmerica::Document - Parse a VOA article for research.

SYNOPSIS

  use Cwd;
  use File::Spec;
  use Text::Corpus::VoiceOfAmerica;
  use Data::Dump qw(dump);
  use Log::Log4perl qw(:easy);
  Log::Log4perl->easy_init ($INFO);
  my $corpusDirectory = File::Spec->catfile (getcwd(), 'corpus_voa');
  my $corpus = Text::Corpus::VoiceOfAmerica->new (corpusDirectory => $corpusDirectory);
  $corpus->update (verbose => 1);
  my $document = $corpus->getDocument (index => 0);
  dump $document->getBody;
  dump $document->getCategories;
  dump $document->getContent;
  dump $document->getDate;
  dump $document->getDescription;
  dump $document->getTitle;
  dump $document->getUri;

DESCRIPTION

Text::Corpus::VoiceOfAmerica::Document provides methods for accessing the content of VOA news articles for the researching and testing of information processing techniques. Read the Voice of America's Terms of Use statement to ensure you abide by it when using this module.

CONSTRUCTOR

new

The constructor new creates an instance of the Text::Corpus::VoiceOfAmerica::Document class with the following parameters:

htmlContent
  htmlContent => '...'

htmlContent is a string of the HTML of the document to be parsed.

uri
  uri => '...'

uri is the URL of the HTML content provided by htmlContent; it is also returned as the documents unique identifier by getUri.

METHODS

getBody

 getBody ()

getBody returns an array reference of strings of sentences that are the body of the article.

getCategories

  getCategories ()

getCategories returns an array reference of strings of categories assigned to the article. They are the phrases and words from the /html/head/meta[@name="KEYWORDS"] field in the HTML of the document.

getContent

 getContent ()

getContent returns an array reference of strings of sentences that form the content of the article, the title and body of the article.

getDate

 getDate (format => '%g')

getDate returns the date and time of the article in the format speficied by format that uses the print directives of Date::Manip::Date. The default is to return the date and time in RFC2822 format.

getDescription

  getDescription ()

getDescription returns an array reference of strings of sentences, usually one, that describes the articles content. It is from the /html/head/meta[@name="description"] field in the HTML of the document.

getEncoding

  getEncoding ()

getEncoding returns the original encoding used by the HTML of the document.

getHtml

  getHtml ()

getHtml returns the HTML of the document as a string.

getTitle

 getTitle ()

getTitle returns an array reference of strings, usually one, of the title of the article.

getUri

  getUri ()

getUri returns the URL of the document.

INSTALLATION

For installation instructions see Text::Corpus::VoiceOfAmerica.

BUGS

This module uses xpath expressions to extract links and text which may become invalid as the format of various pages change, causing a lot of bugs.

Please email bugs reports or feature requests to text-corpus-voiceofamerica@rt.cpan.org, or through the web interface at http://rt.cpan.org/Public/Bug/Report.html?Queue=Text-Corpus-VoiceOfAmerica. The author will be notified and you can be automatically notified of progress on the bug fix or feature request.

AUTHOR

 Jeff Kubina<jeff.kubina@gmail.com>

COPYRIGHT

Copyright (c) 2009 Jeff Kubina. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

The full text of the license can be found in the LICENSE file included with this module.

KEYWORDS

corpus, english corpus, information processing, voa, voice of america

SEE ALSO

Read the Voice of America's Terms of Use statement to ensure you abide by it when using this module.

CHI, HTML::TreeBuilder::XPath, Lingua::EN::Sentence, Log::Log4perl, Text::Corpus::VoiceOfAmerica