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CoNLL 2019 Shared Task: Meaning Representation Parsing --- Sample Graphs Version 0.9; April 9, 2019 Overview ======== This directory contains a collection of 89 sample graphs in the five framworks represented in the task: AMR, DM, EDS, PSD, and UCCA. The sentences are drawn from Section 00 of (the Penn Treebank selection from) the venerable Wall Street Journal (WSJ) Corpus. We only include sentences for which all five graph banks provide annotations. The purpose of this sample data is twofold: (a) exemplify the uniform graph representation format (serialized in JSON) adopted for the task and (b) enable in-depth linguistic comparison across frameworks. For general information on the file format, please see: http://mrp.nlpl.eu/index.php?page=4#format Contents ======== The main contents in this release are the JSON files: $ ls -l */*.mrp -rw-r--r--. 1 oe oe 145935 Apr 8 00:11 amr/wsj.mrp -rw-r--r--. 1 oe oe 290495 Apr 8 00:12 dm/wsj.mrp -rw-r--r--. 1 oe oe 334885 Apr 8 00:13 eds/wsj.mrp -rw-r--r--. 1 oe oe 225669 Apr 8 00:14 psd/wsj.mrp -rw-r--r--. 1 oe oe 254101 Apr 9 16:07 ucca/wsj.mrp Each file contains the 89 graphs in the intersection of all frameworks (87 in the case for UCCA, for the time being). These graph serializations are in what is called the JSON Lines format, effectively a stream of JSON objects with line breaks as the separator character between objects. To ease human inspection of these graphs, this package also provides graphical renderings of all graphs, as separate files (one per sentence) in the ‘dot/’ and ‘pdf/’ sub-directories for each framework. These visualizations have been created using the MRP graph toolkit, which will be released by mid-May 2019. Known Limitations ================= None, for the time being. Release History =============== [Version 0.9; April 9, 2018] + First release of sample graphs in five frameworks: AMR, DM, EDS, UCCA, and PSD. Contact ======= For questions or comments, please do not hesitate to email the task organizers at: ‘[email protected]’. Omri Abend Jan Hajič Daniel Hershcovich Marco Kuhlmann Stephan Oepen Tim O'Gorman Nianwen Xue |