Distributional Thesauri for Information Retrieval and vice versa

Vincent Claveau 1 Ewa Kijak 1
1 LinkMedia - Creating and exploiting explicit links between multimedia fragments
IRISA-D6 - MEDIA ET INTERACTIONS, Inria Rennes – Bretagne Atlantique
Abstract : Distributional thesauri are useful in many tasks of Natural Language Processing. In this paper, we address the problem of building and evaluating such thesauri with the help of Information Retrieval (IR) concepts. Two main contributions are proposed. First, following the work of (Claveau et al., 2014), we show how IR tools and concepts can be used with success to build a thesaurus. Through several experiments and by evaluating directly the results with reference lexicons, we show that some IR models outperform state-of-the-art systems. Secondly, we use IR as an applicative framework to indirectly evaluate the generated thesaurus. Here again, this task-based evaluation validates the IR approach used to build the thesaurus. Moreover, it allows us to compare these results with those from the direct evaluation framework used in the literature. The observed differences bring these evaluation habits into question.
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Submitted on : Wednesday, November 9, 2016 - 5:12:15 PM
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Vincent Claveau, Ewa Kijak. Distributional Thesauri for Information Retrieval and vice versa. Language and Resource Conference, LREC, May 2016, Portoroz, Slovenia. ⟨hal-01394770⟩



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