2308 search results - page 186 / 462 » A Perspective on Databases and Data Mining |
163
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
The topic of managing uncertain data has been explored in many ways. Different methodologies for data storage and query processing have been proposed. As the availability of manag...
181
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KDD
2003
ACM
16 years 7 months ago
2003
ACM
Burst detection is the activity of finding abnormal aggregates in data streams. Such aggregates are based on sliding windows over data streams. In some applications, we want to mo...
168
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SACMAT
2010
ACM
15 years 5 months ago
2010
ACM
Role mining from the existing permissions has been widely applied to aid the process of migrating to an RBAC system. While all permissions are treated evenly in previous approache...
157
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KDD
2006
ACM
16 years 7 months ago
2006
ACM
Ontologies represent data relationships as hierarchies of possibly overlapping classes. Ontologies are closely related to clustering hierarchies, and in this article we explore th...
196
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KDD
2004
ACM
16 years 7 months ago
2004
ACM
In gene expression microarray data analysis, selecting a small number of discriminative genes from thousands of genes is an important problem for accurate classification of diseas...