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SIAMSC
2008
14 years 11 months ago
2008
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
SIGIR
2008
ACM
14 years 11 months ago
2008
ACM
Relevance feedback, which traditionally uses the terms in the relevant documents to enrich the user's initial query, is an effective method for improving retrieval performanc...
94
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TC
2008
14 years 11 months ago
2008
Abstract-- Dilated integers form an ordered group of the cartesian indices into a d-dimensional array represented in Morton order. Efficient implementations of its operations can b...
106
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CCR
2004
14 years 11 months ago
2004
IP address lookup is challenging for high performance routers because it requires a longest matching prefix at speeds of up to 10 Gbps (OC-192). Existing solutions have poor updat...
121
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CACM
2000
14 years 11 months ago
2000
Wireless Integrated Network Sensors (WINS) now provide a new monitoring and control capability for transportation, manufacturing, health care, environmental monitoring, and safety...