New PDF release: Advances in Natural Language Processing: 7th International

By Jan Hajič (auth.), Hrafn Loftsson, Eiríkur Rögnvaldsson, Sigrún Helgadóttir (eds.)

This ebook constitutes the court cases of the seventh overseas convention on Advances in common Language Processing held in Reykjavik, Iceland, in August 2010.

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Extra info for Advances in Natural Language Processing: 7th International Conference on NLP, IceTAL 2010, Reykjavik, Iceland, August 16-18, 2010

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Domain Kernels for Word Sense Disambiguation. In: 43nd Annual Meeting of the Association for Computational Linguistics (ACL 2005). University of Michigan, Ann Arbor (2005) 11. : Automatic word sense discrimination. In: Computational Linguistics, vol. 24(1), pp. 97–124 (1998) 12. : Mining the Web for synonyms: PMI-IR versus LSA on TOEFL. , De Raedt, L. ) ECML 2001. LNCS (LNAI), vol. 2167, pp. 491–502. Springer, Heidelberg (2001) 13. : Discovering corpus-specific word senses. In: Proceeding of EACL, Budapest (2003) 14.

Es Abstract. Most common feature selection techniques for document categorization are supervised and require lots of training data in order to accurately capture the descriptive and discriminative information from the defined categories. Considering that training sets are extremely small in many classification tasks, in this paper we explore the use of unsupervised extractive summarization as a feature selection technique for document categorization. Our experiments using training sets of different sizes indicate that text summarization is a competitive approach for feature selection, and show its appropriateness for situations having small training sets, where it could clearly outperform the traditional information gain technique.

In all, 266 learners of Obligatory Secondary Education (second grade) participated in the evaluation. They had a maximum of 30 minutes to read and complete the test. The test was carried out in paper in order to avoid all noise9 . 249 of the learners completed the test and their results were used to analyse the items (questions) (see section 5). After finishing the testing, an external supervisor collected the results of the exercise in situ. 7 8 9 In this step, the evaluation was blind. We did not apply the remaining methods because the verbs in the Basque WordNet need of manual revision.

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Advances in Natural Language Processing: 7th International Conference on NLP, IceTAL 2010, Reykjavik, Iceland, August 16-18, 2010 by Jan Hajič (auth.), Hrafn Loftsson, Eiríkur Rögnvaldsson, Sigrún Helgadóttir (eds.)


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