610 search results - page 57 / 122 » Efficient Query Evaluation on Probabilistic Databases |
117
Voted
VLDB
2005
ACM
15 years 6 months ago
2005
ACM
Query optimizers in current database systems are designed to pick a single efficient plan for a given query based on current statistical properties of the data. However, different...
125
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PODS
2008
ACM
16 years 22 days ago
2008
ACM
We present a novel definition of privacy in the framework of offline (retroactive) database query auditing. Given information about the database, a description of sensitive data, ...
192
Voted
GIS
2007
ACM
16 years 1 months ago
2007
ACM
The increasingly popular GPS technology and the growing amount of trajectory data it generates create the need for developing applications that efficiently store and query traject...
150
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VLDB
2007
ACM
16 years 25 days ago
2007
ACM
An increasing number of temporally versioned text collections is available today with Web archives being a prime example. Search on such collections, however, is often not satisfa...
184
Voted
ICDE
2001
IEEE
16 years 1 months ago
2001
IEEE
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...