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User benefits for CLIR |
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CLIR systems have improved so much that the most accurate multi-lingual and cross-lingual [[adhoc information retrieval]] systems today are nearly as effective as monolingual systems.<ref>Oard, Douglas. "Multilingual Information Access." ''Understanding Information Retrieval Systems''(2011): 373-80. Web.</ref> Other related information access tasks, such as [[media monitoring]], [[information filtering]] and routing, [[sentiment analysis]], and [[information extraction]] require more sophisticated models and typically more processing and analysis of the information items of interest. Much of that processing needs to be aware of the specifics of the target languages it is deployed in.
Mostly, the various mechanisms of variation in human language pose coverage challenges for information systems: texts in a collection may treat a topic of interest but use terms or expressions which do not match the expression of information need given by the user. This can be true even in a mono-lingual case, but this is especially true in cross-lingual information retrieval, when users may know the target language only to some extent. The benefits those with poor to moderate competence in the target language more than those who are fluent.
The first workshop on CLIR was held in Zürich during the SIGIR-96 conference.<ref>The proceedings of this workshop can be found in the book ''Cross-Language Information Retrieval'' (Grefenstette, ed; Kluwer, 1998) {{ISBN|0-7923-8122-X}}.</ref> Workshops have been held yearly since 2000 at the meetings of the [[Cross Language Evaluation Forum]] (CLEF). Researchers also convene at the annual [[Text Retrieval Conference]] (TREC) to discuss their findings regarding different systems and methods of information retrieval, and the conference has served as a point of reference for the CLIR subfield.<ref>Olvera-Lobo, María-Dolores. "Cross-Language Information Retrieval on the Web." ''Handbook of Research on Social Dimensions of Semantic Technologies and Web Services''(n.d.): 704-19. Web.</ref>
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