410 search results - page 65 / 82 » Optimizing Queries with Materialized Views |
149
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SIGMOD
2006
ACM
15 years 9 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...
107
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SSDBM
1999
IEEE
15 years 1 months ago
1999
IEEE
Large scale data analysis and mining activities, such as identifying interesting trends, making unusual patterns to stand out and verifying hypotheses, require sophisticated infor...
184
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GIS
2004
ACM
15 years 10 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
GIS
2010
ACM
14 years 7 months ago
2010
ACM
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
We consider a near future scenario in which users of a Web 2.0 application, such as a social network, contribute to the application not only data, but also rules which automatical...