977 search results - page 98 / 196 » An Algebraic Approach to Data Mining: Some Examples |
170
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RSFDGRC
2005
Springer
15 years 11 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...
152
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DAWAK
2003
Springer
15 years 11 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 ...
182
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MCS
2002
Springer
15 years 5 months ago
2002
Springer
Abstract. While a variety of multiple classifier systems have been studied since at least the late 1950's, this area came alive in the 90's with significant theoretical a...
190
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EDM
2011
14 years 6 months ago
2011
Assessment on collaborative student behavior is a longstanding issue in user modeling. Nowadays thanks to the proliferation of online learning and the vast amount of data on studen...
174
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
This presentation will discuss several database technology challenges that are faced when building a data warehouse. It will touch on the challenges posed by high capacity drives ...