Article published in:Recent Trends in Computational Terminology
Edited by Béatrice Daille, Kyo Kageura, Hiroshi Nakagawa and Lee-Feng Chien
[Terminology 10:1] 2004
► pp. 23–53
Lexically-based terminology structuring
Terminology structuring has been the subject of much work in the context of terms extracted from corpora: given a set of terms, obtained from an existing resource or extracted from a corpus, it consists in identifying hierarchical (or other types of) relations between these terms. The present work aims at assessing the feasibility of such structuring by studying it on an existing hierarchically structured terminology. Our overall goal is to test various structuring methods proposed in the literature and to check how they fare on this task. The specific goal at the present stage of our work, which we report here, is focussed on lexical methods that match terms on the basis on their content words, taking morphological variants and synonyms into account. We describe experiments performed on the French version of the US National Library of Medicine MeSH thesaurus. We compare the lexically-induced relations with the original MeSH relations and measure recall and precision metrics, taking two different views on the task: relation recovery and term placement. This method proposes correct term placement for up to 26% of the MeSH concepts, and its precision can reach 58%. After this quantitative evaluation, we perform a qualitative, human analysis of the ‘new’ relations not present in the MeSH. This analysis shows, on the one hand, the limits of the lexical structuring method. On the other hand, it reveals some specific structuring choices and naming conventions made by the MeSH designers, and emphasizes ontological commitments that cannot be left to automatic structuring.
Keywords: Terminology structuring, morphological variants, synonyms, medicine, MeSH
Published online: 10 June 2004
Cited by 6 other publications
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SanJuan, Eric, James Dowdall, Fidelia Ibekwe-SanJuan & Fabio Rinaldi
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