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计算机科学技术学报 2009
Combining Local Scoring and Global Aggregation to Rank Entities for Deep Web QueriesKeywords: Deep Web,entity-level ranking,local scoring,global aggregation Abstract: With the rapid growth of Web databases,it is 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 queries based on local scoring and global aggregation.Unlike traditional approaches,LG-ERM considers more rank influencing factors including the uncertainty of entity ex...
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