5221 search results - page 259 / 1045 » An On-line Problem Database |
180
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Exploratory ad-hoc queries could return too many answers ? a phenomenon commonly referred to as "information overload". In this paper, we propose to automatically catego...
169
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
Co-clustering is the simultaneous partitioning of the rows and columns of a matrix such that the blocks induced by the row/column partitions are good clusters. Motivated by severa...
187
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DEXAW
2008
IEEE
16 years 1 months ago
2008
IEEE
Two new variants of Particle Swarm Optimization (PSO) called AMPSO1 and AMPSO2 are proposed for global optimization problems. Both the algorithms use adaptive mutation using Beta ...
153
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ICDE
2007
IEEE
16 years 28 days ago
2007
IEEE
The search for unknown frequent pattern is one of the core activities in many time series data mining processes. In this paper we present an extension of the pattern discovery pro...
184
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ICDT
2003
ACM
15 years 11 months ago
2003
ACM
We investigate the typechecking problem for XML queries: statically verifying that every answer to a query conforms to a given output schema, for inputs satisfying a given input sc...