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192
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ICWS
2007
IEEE
15 years 8 months ago
2007
IEEE
Workflows often operate in volatile environments in which the component services’ QoS changes frequently. Optimally adapting to these changes becomes an important problem that ...
153
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SDM
2007
SIAM
15 years 8 months ago
2007
SIAM
Logistic models are arguably one of the most widely used data analysis techniques. In this paper, we present analyses focussing on two important aspects of logistic models—its r...
194
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SDM
2007
SIAM
15 years 8 months ago
2007
SIAM
Manifold learning is an effective methodology for extracting nonlinear structures from high-dimensional data with many applications in image analysis, computer vision, text data a...
191
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SODA
2007
ACM
15 years 8 months ago
2007
ACM
We study a generalization of the classical secretary problem which we call the “matroid secretary problem”. In this problem, the elements of a matroid are presented to an onli...
176
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SWAP
2007
15 years 7 months ago
2007
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...