5166 search results - page 715 / 1034 » Web Query Optimizer |
228
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
The current SQL standard for access control is coarse grained, in that it grants access to all rows of a table or none. Fine-grained access control, which allows control of access...
159
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
118
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EDBT
2002
ACM
16 years 5 months ago
2002
ACM
For a spatial database management system, it is an important goal to minimize the I/O-cost of queries and other operations. Several page-replacement strategies have been proposed a...
144
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EDBT
2009
ACM
15 years 12 months ago
2009
ACM
Currently, a huge amount of biological data can be naturally represented by graphs, e.g., protein interaction networks, gene regulatory networks, etc. The need for indexing large ...
144
Voted
ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Personalized PageRank, related to random walks with restarts and conductance in resistive networks, is a frequent search paradigm for graph-structured databases. While efficient ba...