789 search results - page 150 / 158 » On Theory Revision with Queries |
164
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ALT
2006
Springer
16 years 3 months ago
2006
Springer
Most of the existing active learning algorithms are based on the realizability assumption: The learner’s hypothesis class is assumed to contain a target function that perfectly c...
151
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STACS
2010
Springer
16 years 1 months ago
2010
Springer
Abstract. A Boolean function on N variables is called evasive if its decision-tree complexity is N. A sequence Bn of Boolean functions is eventually evasive if Bn is evasive for al...
150
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SIGIR
2009
ACM
16 years 16 days ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
163
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CCS
2007
ACM
16 years 6 days ago
2007
ACM
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
167
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CIVR
2007
Springer
16 years 6 days ago
2007
Springer
This paper proposes and compares two novel schemes for near duplicate image and video-shot detection. The first approach is based on global hierarchical colour histograms, using ...