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174
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GECCO
2005
Springer
16 years 9 days ago
2005
Springer
In this paper we propose a cultural algorithm, where different knowledge sources modify the variation operator of a differential evolution algorithm. Differential evolution is u...
186
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CDB
2004
Springer
16 years 8 days ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
137
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WSC
2004
15 years 8 months ago
2004
In many practical applications of simulation it is desirable to optimize the levels of integer or binary variables that are inputs for the simulation model. In these cases, the ob...
157
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AAAI
1997
15 years 8 months ago
1997
We consider the problem of query plan optimization in information brokers. Information brokers are programs that facilitate access to collections of information sources by hiding ...
193
Voted
ICDM
2009
IEEE
16 years 1 months ago
2009
IEEE
—Many real world learning problems can be recast as multi-task learning problems which utilize correlations among different tasks to obtain better generalization performance than...