Annotation of Multi-Word Expressions in Czech Texts

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Publikace nespadá pod Fakultu sportovních studií, ale pod Filozofickou fakultu. Oficiální stránka publikace je na webu muni.cz.
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NEVĚŘILOVÁ Zuzana

Rok publikování 2015
Druh Článek ve sborníku
Konference Ninth Workshop on Recent Advances in Slavonic Natural Language Processing
Fakulta / Pracoviště MU

Filozofická fakulta

Citace
www https://nlp.fi.muni.cz/raslan/2015/paper02-Neverilova.pdf
Obor Jazykověda
Klíčová slova multi-word expressions; corpus; orthographical variants
Popis Multi-word expressions (MWEs) are difficult to define and also difficult to annotate. Some of them cause serious errors in the traditional annotation pipeline tokenization - morphological analysis - morphological disambiguation. Many cases of incorrect annotation in Czech corpora are known. To narrow the research topic, we focus only in fixed MWEs – those with fixed word order and no ellidable components. In this paper, we propose a corpus-based method that reveals fixed MWE candidates. From the web-based corpus of Czech, we extracted 25,091 expressions, 2,140 of them were identified as MWEs, 332 as probable MWEs, and 174 of them can be either MWEs or one single word. Our method is based on corpus data observation that indicates that people are unsure when writing a MWE whether it is one word, a word with dashes, or several words. The result is a list of MWE candidates and also an application that classifies the input as MWE, probable MWE, or non-MWE.
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