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OverviewSearch for information is no longer exclusively limited within the native language of the user, but is more and more extended to other languages. This gives rise to the problem of cross-language information retrieval (CLIR), whose goal is to find relevant information written in a different language to a query. In addition to the problems of monolingual information retrieval (IR), translation is the key problem in CLIR: one should translate either the query or the documents from a language to another. However, this translation problem is not identical to full-text machine translation (MT): the goal is not to produce a human-readable translation, but a translation suitable for finding relevant documents. Specific translation methods are thus required. The goal of this book is to provide a comprehensive description of the specific problems arising in CLIR, the solutions proposed in this area, as well as the remaining problems. The book starts with a general description of the monolingual IR and CLIR problems. Different classes of approaches to translation are then presented: approaches using an MT system, dictionary-based translation and approaches based on parallel and comparable corpora. In addition, the typical retrieval effectiveness using different approaches is compared. It will be shown that translation approaches specifically designed for CLIR can rival and outperform high-quality MT systems. Finally, the book offers a look into the future that draws a strong parallel between query expansion in monolingual IR and query translation in CLIR, suggesting that many approaches developed in monolingual IR can be adapted to CLIR. The book can be used as an introduction to CLIR. Advanced readers can also find more technical details and discussions about the remaining research challenges in the future. It is suitable to new researchers who intend to carry out research on CLIR. Full Product DetailsAuthor: Jian-Yun Nie , Graeme HirstPublisher: Morgan & Claypool Publishers Imprint: Morgan & Claypool Publishers Dimensions: Width: 18.70cm , Height: 0.70cm , Length: 23.50cm Weight: 0.258kg ISBN: 9781598298635ISBN 10: 1598298631 Pages: 125 Publication Date: 30 May 2010 Audience: Professional and scholarly , Professional & Vocational Format: Paperback Publisher's Status: Active Availability: In Print  This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsPreface Introduction Using Manually Constructed Translation Systems and Resources for CLIR Translation Based on Parallel and Comparable Corpora Other Methods to Improve CLIR A Look into the Future: Toward a Unified View of Monolingual IR and CLIR? References Author BiographyReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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