4557 search results - page 765 / 912 » A performance evaluation of local descriptors |
170
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Understanding user intent is key to designing an effective ranking system in a search engine. In the absence of any explicit knowledge of user intent, search engines want to diver...
158
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Online photo services such as Flickr and Zooomr allow users to share their photos with family, friends, and the online community at large. An important facet of these services is ...
211
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MOBISYS
2009
ACM
16 years 7 months ago
2009
ACM
Urban sensing, participatory sensing, and user activity recognition can provide rich contextual information for mobile applications such as social networking and location-based se...
196
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KDD
2006
ACM
16 years 6 months ago
2006
ACM
In many text classification applications, it is appealing to take every document as a string of characters rather than a bag of words. Previous research studies in this area mostl...
191
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KDD
2004
ACM
16 years 6 months ago
2004
ACM
Essentially all data mining algorithms assume that the datagenerating process is independent of the data miner's activities. However, in many domains, including spam detectio...