3133 search results - page 369 / 627 » Representing clusters for retrieval |
187
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...
180
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TASLP
2008
15 years 5 months ago
2008
Robust data retrieval in the presence of uncertainty is a challenging problem in multimedia information retrieval. In query-by-humming (QBH) systems, uncertainty can arise in query...
276
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
The pervasiveness of location-acquisition technologies (GPS, GSM networks, etc.) enable people to conveniently log the location histories they visited with spatio-temporal data. T...
298
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Distributed Hash Tables (DHTs) provide a scalable solution for data sharing in P2P systems. To ensure high data availability, DHTs typically rely on data replication, yet without ...
163
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TAL
2004
Springer
16 years 2 days ago
2004
Springer
Word fragments or n-grams have been widely used to perform different Natural Language Processing tasks such as information retrieval [1] [2], document categorization [3], automatic...