2899 search results - page 405 / 580 » On the Complexity of Exclusion Algorithms for Optimization |
168
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EDBT
2009
ACM
16 years 10 days ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
158
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ATAL
2009
Springer
16 years 3 days ago
2009
Springer
An important aspect of mechanism design in social choice protocols and multiagent systems is to discourage insincere and manipulative behaviour. We examine the computational compl...
124
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CVPR
2004
IEEE
16 years 7 months ago
2004
IEEE
We present an unsupervised technique for detecting unusual activity in a large video set using many simple features. No complex activity models and no supervised feature selection...
178
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ICML
2007
IEEE
16 years 6 months ago
2007
IEEE
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a particular linear combination of the input variables while constraining the numb...
176
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DCC
2008
IEEE
16 years 5 months ago
2008
IEEE
A fully automated architecture for object-based region of interest (ROI) detection is proposed. ROI's are defined as regions containing user defined objects of interest, and ...