2043 search results - page 357 / 409 » The Limits of Querying Ontologies |
195
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
169
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
158
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
182
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PERCOM
2003
ACM
16 years 5 months ago
2003
ACM
Wireless distributed sensor networks (DSNs) are important for a number of strategic applications such as coordinated target detection, surveillance, and localization. Energy is a ...
177
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EDBT
2010
ACM
16 years 1 months ago
2010
ACM
In line with the insight that “one size” of databases will not fit all application needs [19], the database community is currently exploring various alternatives to commodity...