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<!DOCTYPE HTML>
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<title>Corpling@GU</title>
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<a href="https://gucorpling.org/corpling/" class="logo"><strong><i class="fa fa-home"> </i>Corpling@GU</strong></a>
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<li><a href="https://wiki.gucorpling.org/" class="icon fa-wikipedia-w"><span class="label">Wiki</span></a></li>
<li><a href="https://corpus-tools.org/" class="icon fa icon-annis"><span class="label">Corpus-tools.org</span></a></li>
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<h1>Welcome to the Corpling Lab!</h1>
<p>Computational Linguistics with & for Corpora</p>
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<p><b>Corpling@GU</b> is <a href="https://www.georgetown.edu/">Georgetown University</a>'s Computational Corpus Linguistics lab at the <a href="http://linguistics.georgetown.edu/">Department of Linguistics</a>.
We specialize in building:
</p>
<ul>
<li>Corpora</li>
<li>Annotation tools</li>
<li>NLP tools</li>
</ul>
<p>We are also part of the larger Georgetown University Computational Linguistics (<a href="http://gucl.georgetown.edu/">GUCL</a>) community!</p>
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<li><a href="people.html" class="button big">Learn More</a></li>
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<h2>Projects</h2>
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<h3>Search interfaces</h3>
<p>The lab maintains two corpus search interfaces, which offer students and the general public access to language data and statistical analysis tools, as well as an online dictionary: </p>
<ul>
<li>The <a href="https://gucorpling.org/cqp/">GU CQPWeb interface</a> for large, flat annotated corpora</li>
<li><a href="https://gucorpling.org/annis-corpora/">ANNIS</a>, search and visualization for richly annotated multilayer corpora</li>
<li><a href="https://coptic-dictionary.org/">Coptic Dictionary Online</a> - a Coptic lexicon linked to corpora and frequency data</li>
<li><a href="http://data.copticscriptorium.org/">Coptic Scriptorium Repository</a> - browsable ancient Coptic texts with linguistic analyses</li>
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<h3>NLP tools</h3>
<p>We develop a number of NLP tools that help to build corpora automatically, or feed into manual correction loops:</p>
<ul>
<li><a href="https://github.com/amir-zeldes/rftokenizer">RFTokenizer</a> - a SOTA trainable segmenter for morphologically rich languages</li>
<li><a href="https://github.com/gucorpling/DisCoDisCo">DisCoDisCo</a> - discourse relation classification, segmentation and detection</li>
<li><a href="https://tools.copticscriptorium.org/coptic-nlp/">Coptic NLP</a> - a complete pipeline for processing Coptic data</li>
<li><a href="https://gucorpling.org/xrenner/">xrenner</a> - multilingual non-named entity and coreference resolution</li>
<li><a href="https://github.com/amir-zeldes/HebPipe/">HebPipe</a> - an NLP pipeline for Hebrew</li>
</ul>
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<h3>Annotation tools</h3>
<p>We provide a number of freely available annotation tools:</p>
<ul>
<li><a href="https://gucorpling.org/rstweb/info/">rstWeb</a> - open source web interface for Rhetorical Structure Theory annotation</li>
<li><a href="https://gucorpling.org/gitdox/">GitDox</a> - a version controlled, online XML and spreadsheet editor with built-in validation</li>
<li><a href="https://gucorpling.org/depedit/">DepEdit</a> - configurable rule-based editing for dependency corpora in the conll-u format</li>
</ul>
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<h3>Corpora</h3>
<p>Several of our corpora are freely available, open source projects:</p>
<ul>
<li><a href="https://gucorpling.org/gum/">GUM</a> - The Georgetown University Multilayer corpus, created and published by our students in <a href="https://myaccess.georgetown.edu/pls/bninbp/bwckctlg.p_disp_course_detail?cat_term_in=201730&subj_code_in=LING&crse_numb_in=367">LING-367</a></li>
<li><a href="https://github.com/universalDependencies/UD_Hebrew-IAHLTWiki">UD Hebrew IAHLTwiki</a> - a new <a href="https://universaldependencies.org">UD</a> treebank of Hebrew from Wikipedia</li>
<li><a href="https://data.copticscriptorium.org">Coptic Corpora</a> under CC licenses, including the <a href="http://copticscriptorium.org/treebank.html">Coptic Treebank</a></li>
<li><a href="https://gucorpling.org/gum/amalgum.html">AMALGUM</a> - A Machine-Annotated Lookalike of GUM, a freely available, genre-balanced English web corpus totaling 4M tokens and featuring a large number of high-quality automatic annotation layers</li>
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<h2>Featured research</h2>
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<a href="research/2021-02-01_gum7.html" class="image"><img src="images/gum7_header.png" alt="GUM7"/></a>
<h3>GUM7 – four added genres, Wikification and more!</h3>
<p>
The first release of <a href="https://gucorpling.org/gum/">GUM series 7</a> now adds four more genres to our multilayer corpus, in addition to brand new annotation layers, corrections, and more.
</p>
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<li><a href="research/2021-02-01_gum7.html" class="button">More</a></li>
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<a href="research/2020-06-01_entities_in_the_coptic_treebank.html" class="image"><img src="images/entities.png" alt="Coptic Entities"/></a>
<h3>Entities in the Coptic Treebank</h3>
<p>
Read more about the addition of entity annotations to <a href="https://github.com/UniversalDependencies/UD_Coptic-Scriptorium/">the Coptic Universal Dependencies Treebank</a>.
</p>
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<li><a href="research/2020-06-01_entities_in_the_coptic_treebank.html" class="button">More</a></li>
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<a href="research/2018-12-05_new_features_coptic_nlp.html" class="image"><img src="images/ebol_hn.png" alt="New features in our Coptic NLP pipeline" /></a>
<h3>New features in our Coptic NLP pipeline</h3>
<p>
Coptic Scriptorium’s Natural Language Processing (NLP) tools now support two new features...
</p>
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<a href="research/2018-06-01_signal_rnns.html" class="image"><img src="images/signal_rnn.png" alt="RNN reads newspaper for discourse signals" /></a>
<h3>A neural network reads the newspaper...</h3>
<p>... in search of discourse signals! We now know a lot about what cues people use to identify discourse relations, but can we teach computers to notice the same signals?</p>
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<li><a href="research/2018-06-01_signal_rnns.html" class="button">More</a></li>
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<a href="research/2018-05-18_rst_heatmaps.html" class="image"><img src="images/rst_heatmap.png" alt="RST referential heatmap" /></a>
<h3>What you say where - a discourse heatmap</h3>
<p>
Does discourse structure constrain where we talk about what? Research on recurring mentions within discourse graphs shows
back-reference is sensitive to the reasons why sentences and groups of sentences are uttered.
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