171 search results - page 22 / 35 » Statistical Supports for Frequent Itemsets on Data Streams |
108
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EDBT
2008
ACM
16 years 2 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
118
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CORR
2012
Springer
13 years 9 months ago
2012
Springer
In this paper we introduce a new type of pattern – a flipping correlation pattern. The flipping patterns are obtained from contrasting the correlations between items at diffe...
104
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KDD
2002
ACM
16 years 2 months ago
2002
ACM
Abstract. Since more and more Web sites, especially sites of retailers, offer automatic recommendation services using Web usage mining, evaluation of recommender algorithms has bec...
219
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GIS
2008
ACM
16 years 3 months ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
104
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STOC
2010
ACM
15 years 5 months ago
2010
ACM
Approximating pairwise, or k-wise, independence with sublinear memory is of considerable importance in the data stream model. In the streaming model the joint distribution is give...