8499 search results - page 1647 / 1700 » cans 2009 |
137
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SIGIR
2009
ACM
16 years 24 days ago
2009
ACM
Crawl selection policy has a direct influence on Web search effectiveness, because a useful page that is not selected for crawling will also be absent from search results. Yet th...
152
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SIGIR
2009
ACM
16 years 24 days ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
159
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SIGIR
2009
ACM
16 years 24 days ago
2009
ACM
With the increasing importance of search systems on the web, there is a continuing push to design interfaces which are a better match with the kinds of real-world tasks in which u...
191
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SIGIR
2009
ACM
16 years 24 days ago
2009
ACM
As an indispensable technique in the field of Information Filtering, Recommender System has been well studied and developed both in academia and in industry recently. However, mo...
172
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SIGMETRICS
2009
ACM
16 years 24 days ago
2009
ACM
We consider the problem of admission control in resource sharing systems, such as web servers and transaction processing systems, when the job size distribution has high variabili...