2492 search results - page 225 / 499 » Ontology-based Database Access |
154
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ICDE
2005
IEEE
16 years 4 days ago
2005
IEEE
Index tuning as part of database tuning is the task of selecting and creating indexes with the goal of reducing query processing times. However, in dynamic environments with vario...
156
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VLDB
2005
ACM
16 years 15 hour ago
2005
ACM
In an “uncertain database”, an object o is associated with a multi-dimensional probability density function (pdf), which describes the likelihood that o appears at each positi...
174
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DEXAW
2003
IEEE
15 years 12 months ago
2003
IEEE
Across a wide variety of fields, huge datasets are being collected and accumulated at a dramatical pace. The datasets addressed by individual applications are very often heteroge...
203
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SSD
2009
Springer
15 years 11 months ago
2009
Springer
In this paper, we formalize the novel concept of incremental reverse nearest neighbor ranking and suggest an original solution for this problem. We propose an efficient approach f...
159
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DEXA
2000
Springer
15 years 11 months ago
2000
Springer
In 'Associative Caching' each client computer keeps a copy of its query result sets in its own local database. The purpose is to reduce the size and frequency of queries ...