Piao, Scott Songlin and Rayson, Paul Edward and Archer, Dawn and Bianchi, Francesca and Dayrell, Carmen and El-Haj, Mahmoud and Jiménez, Ricardo-María and Knight, Dawn and Křen, Michal and Lofberg, Laura and Nawab, Rao Muhammad Adeel and Shafi, Jawad and Teh, Phoey Lee and Mudraya, Olga (2016) Lexical coverage evaluation of large-scale multilingual semantic lexicons for twelve languages. In: LREC 2016, Tenth International Conference on Language Resources and Evaluation :. European Language Resources Association (ELRA), SVN, pp. 2614-2619. ISBN 9782951740891
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Abstract
The last two decades have seen the development of various semantic lexical resources such as WordNet (Miller, 1995) and the USAS semantic lexicon (Rayson et al., 2004), which have played an important role in the areas of natural language processing and corpus-based studies. Recently, increasing efforts have been devoted to extending the semantic frameworks of existing lexical knowledge resources to cover more languages, such as EuroWordNet and Global WordNet. In this paper, we report on the construction of large-scale multilingual semantic lexicons for twelve languages, which employ the unified Lancaster semantic taxonomy and provide a multilingual lexical knowledge base for the automatic UCREL semantic annotation system (USAS). Our work contributes towards the goal of constructing larger-scale and higher-quality multilingual semantic lexical resources and developing corpus annotation tools based on them. Lexical coverage is an important factor concerning the quality of the lexicons and the performance of the corpus annotation tools, and in this experiment we focus on evaluating the lexical coverage achieved by the multilingual lexicons and semantic annotation tools based on them. Our evaluation shows that some semantic lexicons such as those for Finnish and Italian have achieved lexical coverage of over 90% while others need further expansion.