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Morpho-syntactically annotated corpora provided for the PARSEME Shared Task on Semi-Supervised Identification of Verbal Multiword Expressions (edition 1.2)
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The IPI PAN Corpus
Przepiórkowski, Adam. - : Institute of Computer Science, Polish Academy of Sciences, 2014
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A Web-based Text Corpora Development System (summary)
In: http://www.cs.cmu.edu/~dbohus/docs/webtext.pdf
Abstract: One of the most important starting points for any NLP endeavor is the construction of text corpora of appropriate size and quality. This paper presents a web-based text corpora development system that focuses both on the size and the quality of these corpora. The quantitative problem is solved by using the Internet as a practically limitless resource of texts. To ensure a certain quality, we enrich the text with relevant information to be fit for further use by resolving in an integrated manner the problems of diacritic characters restoration, lexical ambiguity resolution and morphosyntactic annotation. Although at this moment it is targeted at texts in Romanian, a number of mechanisms have been provided that allows it to be easily adapted to other languages. 1. System Overview The system was build by adapting existing tools to the necessities of the intended task and the peculiarities of the Romanian language, and by creating a couple of new ones. Its modules are organized in a layered structure, each of them performing some basic operation on the data: text collection, tokenization, part-of-speech tagging, etc. The modules were then encapsulated by a graphical user interface built as a Tcl/Tk wrapper. Each module can be easily adapted to the necessities of other languages, making the whole system very flexible. The only language-specific resources necessary are a large-scale morphosyntactic dictionary and a tagged text corpus for the initial training of the stochastic POS tagger.
Keyword: diacritics characters restoration; lexical disambiguation; morphosyntactic annotation; text corpora; WWW
URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.93.4519
http://www.cs.cmu.edu/~dbohus/docs/webtext.pdf
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