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Using query contexts in information retrieval
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Annual ACM Conference on Research and Development in Information Retrieval archive
Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval table of contents
Amsterdam, The Netherlands
SESSION: Personalization table of contents
Pages: 15 - 22  
Year of Publication: 2007
ISBN:978-1-59593-597-7
Authors
Jing Bai  University of Montreal
Jian-Yun Nie  University of Montreal
Guihong Cao  University of Montreal
Hugues Bouchard  Yahoo! Inc.
Sponsors
ACM: Association for Computing Machinery
SIGIR: ACM Special Interest Group on Information Retrieval
Publisher
ACM  New York, NY, USA
Bibliometrics
Downloads (6 Weeks): 24,   Downloads (12 Months): 227,   Citation Count: 7
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ABSTRACT

User query is an element that specifies an information need, but it is not the only one. Studies in literature have found many contextual factors that strongly influence the interpretation of a query. Recent studies have tried to consider the user's interests by creating a user profile. However, a single profile for a user may not be sufficient for a variety of queries of the user. In this study, we propose to use query-specific contexts instead of user-centric ones, including context around query and context within query. The former specifies the environment of a query such as the domain of interest, while the latter refers to context words within the query, which is particularly useful for the selection of relevant term relations. In this paper, both types of context are integrated in an IR model based on language modeling. Our experiments on several TREC collections show that each of the context factors brings significant improvements in retrieval effectiveness.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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CITED BY  7

Collaborative Colleagues:
Jing Bai: colleagues
Jian-Yun Nie: colleagues
Guihong Cao: colleagues
Hugues Bouchard: colleagues