549 search results - page 16 / 110 » Data Expiration and Aggregate Queries |
115
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DBSEC
2006
15 years 1 months ago
2006
In the Database-As-a-Service (DAS) model, clients store their database contents at servers belonging to potentially untrusted service providers. To maintain data confidentiality, ...
118
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CCCG
2009
15 years 26 days ago
2009
We solve instances of a general class of problems defined as follows: Preprocess a set S of possibly weighted colored geometric objects (e.g. points/orthogonal segments/rectangles...
IPPS
2007
IEEE
15 years 6 months ago
2007
IEEE
— An important class of queries over sensor networks are network-wide aggregation queries. In this work we study a class of aggregation queries which we refer to as aggregate thr...
183
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
164
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
Recent interest in managing uncertainty in data