3891 search results - page 454 / 779 » Query Models |
160
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PODS
2005
ACM
16 years 4 months ago
2005
ACM
We consider a scenario where we want to query a large dataset that is stored in external memory and does not fit into main memory. The most constrained resources in such a situati...
134
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CIKM
2010
Springer
15 years 2 months ago
2010
Springer
Term-weighting functions derived from various models of retrieval aim to model human notions of relevance more accurately. However, there is a lack of analysis of the sources of e...
227
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Authorization in SQL is currently at the level of tables or columns. Many applications need a finer level of control. We propose a model for fine-grained authorization based on ad...
191
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DEXA
2006
Springer
15 years 6 months ago
2006
Springer
In recent years, many emerging database applications deal with large sets of continuously moving data objects. Since no computer system can commit continuously occurring infinitesi...
125
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STACS
2007
Springer
15 years 10 months ago
2007
Springer
A coloring of a graph is convex if it induces a partition of the vertices into connected subgraphs. Besides being an interesting property from a theoretical point of view, tests f...