In the robust track of the 2008 CLEF evaluation campaign an enlarged English corpus was provided. For each term, the lemma, the part-of-speech (POS) and the Synset number extracted from WordNetTM (class number of the corresponding thesaurus) are given. Based on this corpus we tested several approaches to remove at least partially the underling lexical ambiguity. Using different IR models such a...

Ayatollah Khomeini and Ali Shariati are seen as twin pillars of revolutionary Islam in contemporary Iran. This article contextualizes and compares these radical discourses in three sections. It first problematizes the transformation of Khomeini as a quietist cleric into a revolutionary ayatollah. While Khomeini’s theory of velayat-e faqih was a radical departure from the dominant Shiite traditi...

Résumé. Les structures lexico-sémantiques jouent un rôle essentiel dans les processus de fouille de textes. En codant les relations sémantiques entre concepts du discours elles apportent une connaissance stratégiques pour enrichir les capacités de raisonnement. Le développement de telles structures étant fortement limité du fait des efforts nécessaires à leur construction, nous proposons un nou...