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140
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CCS
2004
ACM
15 years 9 months ago
2004
ACM
Access control can be used to ensure that database queries pertaining to sensitive information are not answered. This is not enough to prevent users from learning sensitive inform...
126
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CIKM
2009
Springer
15 years 8 months ago
2009
Springer
Exact substring matching queries on large data collections can be answered using q-gram indices, that store for each occurring q-byte pattern an (ordered) posting list with the po...
118
Voted
COMPGEOM
2005
ACM
15 years 5 months ago
2005
ACM
We develop a cache-oblivious data structure for storing a set S of N axis-aligned rectangles in the plane, such that all rectangles in S intersecting a query rectangle or point ca...
141
Voted
ASUNAM
2010
IEEE
15 years 5 months ago
2010
IEEE
Subgraph matching is a key operation on graph data. Social network (SN) providers may want to find all subgraphs within their social network that "match" certain query gr...
152
Voted
ICDT
2012
ACM
13 years 5 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...