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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 3 of 3 1 Using unmarked contexts in nominal lexical semantic classification Romeo, Lauren; Mendes, Sara; Bel, Núria. - : Dublin City University and Association for Computational Linguistics, 2018 BASE Show details 2 A cascade approach to complex-type classification Bel, Núria; Romeo, Lauren; Mendes, Sara. - : European Language Resources Association, 2018 BASE Show details 3 Using qualia information to identify lexical semantic classes in an unsupervised clustering task ... Romeo, Lauren; Mendes, Sara; Bel, Núria. - : arXiv, 2013 Abstract: Acquiring lexical information is a complex problem, typically approached by relying on a number of contexts to contribute information for classification. One of the first issues to address in this domain is the determination of such contexts. The work presented here proposes the use of automatically obtained FORMAL role descriptors as features used to draw nouns from the same lexical semantic class together in an unsupervised clustering task. We have dealt with three lexical semantic classes (HUMAN, LOCATION and EVENT) in English. The results obtained show that it is possible to discriminate between elements from different lexical semantic classes using only FORMAL role information, hence validating our initial hypothesis. Also, iterating our method accurately accounts for fine-grained distinctions within lexical classes, namely distinctions involving ambiguous expressions. Moreover, a filtering and bootstrapping strategy employed in extracting FORMAL role descriptors proved to minimize effects of sparse ... : 10 pages, 5 tables. Also available in UPF institutional repository (http://hdl.handle.net/10230/20383) ... Keyword: Computation and Language cs.CL; FOS Computer and information sciences URL: https://dx.doi.org/10.48550/arxiv.1303.2449 https://arxiv.org/abs/1303.2449 BASE Hide details

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