4616 search results - page 659 / 924 » Beyond relational databases |
155
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ICDT
2005
ACM
16 years 4 days ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
185
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MIDDLEWARE
2005
Springer
16 years 3 days ago
2005
Springer
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
179
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VLDB
2005
ACM
16 years 3 days ago
2005
ACM
Vehicle tracking data is an essential “raw” material for a broad range of applications such as traffic management and control, routing, and navigation. An important issue with...
174
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VLDB
2005
ACM
16 years 3 days ago
2005
ACM
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
175
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VLDB
2005
ACM
16 years 3 days ago
2005
ACM
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...