2497 search results - page 327 / 500 » A Partial-Repeatability Approach to Data Mining |
138
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COMSWARE
2007
IEEE
15 years 10 months ago
2007
IEEE
— Recent studies on wireless sensor networks (WSN) have shown that the duration of contacts and inter-contacts are power law distributed. While this is a strong property of these...
143
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RSFDGRC
2005
Springer
15 years 9 months ago
2005
Springer
Abstract. We present a rough set approach to vague concept approximation within the adaptive learning framework. In particular, the role of extensions of approximation spaces in se...
144
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PKDD
2004
Springer
15 years 9 months ago
2004
Springer
Three methods for combining multiple clustering systems are presented and evaluated, focusing on the problem of finding the correspondence between clusters of different systems. ...
151
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DAWAK
2003
Springer
15 years 9 months ago
2003
Springer
We introduce a new method for optimization of SQL queries with nested subqueries. The method is based on the idea of Boolean aggregates, aggregates that compute the conjunction or ...
123
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DAWAK
2003
Springer
15 years 9 months ago
2003
Springer
Abstract. Many SQL queries with aggregated subqueries exhibit redundancy (overlap in FROM and WHERE clauses). We propose a method, called the for-loop, to optimize such queries by ...