5954 search results - page 402 / 1191 » Querying Bi-level Information |
200
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MIDDLEWARE
2005
Springer
16 years 12 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...
205
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SSD
2005
Springer
16 years 12 days ago
2005
Springer
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
177
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SSD
2009
Springer
15 years 11 months ago
2009
Springer
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...
172
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DIALM
1999
ACM
15 years 11 months ago
1999
ACM
—In this paper, we study the performance of route query control mechanisms for the Zone Routing Protocol (ZRP) for ad hoc networks. ZRP proactively maintains routing information ...
186
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PODS
1997
ACM
15 years 11 months ago
1997
ACM
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...