2539 search results - page 122 / 508 » Updates for Structure Indexes |
217
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
112
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UAI
2004
15 years 5 months ago
2004
One of the major problems in modeling natural signals is that signals with very similar structure may locally have completely different measurements, e.g., images taken under diff...
133
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ICCV
2001
IEEE
16 years 6 months ago
2001
IEEE
The aim of this work is to index images in domain specific databases using colors computed from the object of interest only, instead of the whole image. The main problem in this t...
163
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ICIP
2008
IEEE
16 years 6 months ago
2008
IEEE
Subspace learning techniques are widespread in pattern recognition research. They include PCA, ICA, LPP, etc. These techniques are generally linear and unsupervised. The problem o...
153
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SIGIR
2005
ACM
15 years 10 months ago
2005
ACM
Electronic mail poses a number of unusual challenges for the design of information retrieval systems and test collections, including informal expression, conversational structure,...