2560 search results - page 232 / 512 » Contributions to zero-sum problems |
251
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
In recent years there has been considerable research on automated selection of physical design in database systems. In current solutions, candidate access paths are heuristically ...
166
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PODS
2002
ACM
16 years 6 months ago
2002
ACM
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...
145
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PODS
2007
ACM
16 years 6 months ago
2007
ACM
In [3], we introduced a framework for querying and updating probabilistic information over unordered labeled trees, the probabilistic tree model. The data model is based on trees ...
139
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
In this paper we study the problem of mining all frequent queries in a given database table, a problem known to be intractable even for conjunctive queries. We restrict our attent...
135
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MOBIHOC
2008
ACM
16 years 5 months ago
2008
ACM
Recently, cooperative communications, in the form of keeping each node with a single antenna and having a node exploit a relay node's antenna, is shown to be a promising appr...