26 search results - page 4 / 6 » Searching for low weight pseudo-codewords |
SIGIR
2004
ACM
15 years 2 months ago
2004
ACM
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...
WWW
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
ICRA
2010
IEEE
14 years 8 months ago
2010
IEEE
— There has been significant progress recently in object recognition research, but many of the current approaches still fail for object classes with few distinctive features, an...
147
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ICASSP
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper, we study transmission schemes for a novel OFDMbased MIMO system which performs adaptive signal combining in radio-frequency (RF). Specifically, we consider the prob...
100
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
—Cooperative jamming (CJ) schemes support secure wireless communication in the presence of one or more eavesdroppers. Larger numbers of cooperative relays provide better secrecy ...