4557 search results - page 663 / 912 » A performance evaluation of local descriptors |
146
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SIGIR
2004
ACM
16 years 1 days ago
2004
ACM
Although text categorization is a burgeoning area of IR research, readily available test collections in this field are surprisingly scarce. We describe a methodology and system (...
186
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SIGIR
2004
ACM
16 years 1 days ago
2004
ACM
The goal of collaborative filtering is to make recommendations for a test user by utilizing the rating information of users who share interests similar to the test user. Because r...
191
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WIDM
2004
ACM
16 years 1 days ago
2004
ACM
In this paper, we propose a novel compact tree (Ctree) for XML indexing, which provides not only concise path summaries at the group level but also detailed child-parent links at ...
150
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CCS
2004
ACM
16 years 11 hour ago
2004
ACM
In large-scale environments, network intrusion detection systems (NIDSs) face extreme challenges with respect to traffic volume, traffic diversity, and resource management. Whil...
189
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CIKM
2004
Springer
16 years 10 hour ago
2004
Springer
Biosequences typically have a small alphabet, a long length, and patterns containing gaps (i.e., “don’t care”) of arbitrary size. Mining frequent patterns in such sequences ...