552 search results - page 32 / 111 » Direct Optimization of Ranking Measures |
ICASSP
2009
IEEE
14 years 8 months ago
2009
IEEE
This paper studies compressed sensing for the recovery of non-negative sparse vectors from a smaller number of measurements than the ambient dimension of the unknown vector. We fo...
WWW
2007
ACM
15 years 11 months ago
2007
ACM
This paper explores the use of social annotations to improve web search. Nowadays, many services, e.g. del.icio.us, have been developed for web users to organize and share their f...
102
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DATE
2010
IEEE
14 years 8 months ago
2010
IEEE
—Differential Power Analysis (DPA) is a powerful Side-Channel Attack (SCA) targeting as well symmetric as asymmetric ciphers. Its principle is based on a statistical treatment of...
104
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MOBISYS
2007
ACM
15 years 9 months ago
2007
ACM
In this work, we investigate the use of directional antennas and beam steering techniques to improve performance of 802.11 links in the context of communication between a moving v...
89
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KDD
2004
ACM
15 years 10 months ago
2004
ACM
Pattern ordering is an important task in data mining because the number of patterns extracted by standard data mining algorithms often exceeds our capacity to manually analyze the...