20441 search results - page 390 / 4089 » Locally Computable Structures |
178
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SODA
2008
ACM
15 years 7 months ago
2008
ACM
Local ratio is a well-known paradigm for designing approximation algorithms for combinatorial optimization problems. At a very high level, a local-ratio algorithm first decomposes ...
140
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SIGIR
2002
ACM
15 years 5 months ago
2002
ACM
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
135
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TIP
2002
15 years 5 months ago
2002
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to impr...
137
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IJRR
2010
15 years 4 months ago
2010
—In this paper, we present the design and analysis of a portable position and orientation (pose) estimation aid for the visually impaired. Our prototype navigation aid consists o...
187
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TKDE
2011
15 years 1 months ago
2011
—Previous studies have demonstrated that document clustering performance can be improved significantly in lower dimensional linear subspaces. Recently, matrix factorization base...