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LG-ERM: An Entity-Level Ranking Mechanism for Deep Web Query

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4 Author(s)
Yue Kou ; Sch. of Inf. Sci. & Eng., Northeastern Univ., Shenyang ; Derong Shen ; Ge Yu ; Tiezheng Nie

With the rapid growth of Web databases, it's necessary to extract and integrate large-scale data available in deep Web automatically. But current Web search engines conduct page-level ranking, which are becoming inadequate for entity-oriented vertical search. In this paper, we present an entity-level ranking mechanism called LG-ERM for deep Web query based on local scoring and global aggregation. Unlike traditional approaches, LG-ERM considers more rank influencing factors including the uncertainty of entity extraction, the style information of entities and the importance of Web sources, as well as the entity relationship. By combining local scoring and global aggregation in ranking, the query result can be more accurate and effective to meet users' needs. The experiments demonstrate the feasibility and effectiveness of the key techniques of LG-ERM.

Published in:

Web-Age Information Management, 2008. WAIM '08. The Ninth International Conference on

Date of Conference:

20-22 July 2008