8746 search results - page 447 / 1750 » Diversifying search results |
316
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
An approximate search query on a collection of strings finds those strings in the collection that are similar to a given query string, where similarity is defined using a given si...
247
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WAIM
2009
Springer
16 years 1 months ago
2009
Springer
Search engine advertising has become the main stream of online advertising system. In current search engine advertising systems, all users will get the same advertisement rank if t...
188
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Databases associated with keywords, can be public, private or hybrid, as a result the solutions to keyword search protocols for each type are different. In this paper, we study...
190
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CIKM
2007
Springer
16 years 1 months ago
2007
Springer
Pseudo-relevance feedback, or query expansion, has been shown to improve retrieval performance in the adhoc retrieval task. In such a scenario, a few top-ranked documents are assu...
187
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SIGIR
2004
ACM
16 years 14 days ago
2004
ACM
Multiple-topic and varying-length of web pages are two negative factors significantly affecting the performance of web search. In this paper, we explore the use of page segmentati...