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198
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
Web entities, such as documents and hyperlinks, are created for different purposes, or intents. Existing intent-based retrieval methods largely focus on information seekers’ int...
217
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
134
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
It is crucial for a web crawler to distinguish between ephemeral and persistent content. Ephemeral content (e.g., quote of the day) is usually not worth crawling, because by the t...
156
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TREC
2003
15 years 7 months ago
2003
: We describe our participation in the TREC 2003 Robust and Web tracks. For the Robust track, we experimented with the impact of stemming and feedback on the worst scoring topics. ...
160
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ECIS
2000
15 years 7 months ago
2000
Information filtering (IF) systems usually filter data items by correlating a vector of terms (keywords) that represent the user profile with similar vectors of terms that represe...