4113 search results - page 219 / 823 » Watermarking Relational Databases |
151
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DANTE
1999
IEEE
15 years 8 months ago
1999
IEEE
Because performance is a crucial issue in database systems, data caching techniques have been studied in database research field, especially in client-server databases and distrib...
112
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VLDB
1995
ACM
15 years 7 months ago
1995
ACM
We provide several new sampling-based estimators of the number of distinct values of an attribute in a relation. We compare these new estimators to estimators from the database an...
238
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PODS
2009
ACM
16 years 4 months ago
2009
ACM
For many years, finite model theory was viewed as the backbone of database theory, and database theory in turn supplied finite model theory with key motivations and problems. By n...
126
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DEXAW
2000
IEEE
15 years 8 months ago
2000
IEEE
Spatio-temporal databases have been the focus of considerable research activity over a significant period. However, there are as of yet very few prototypes of complete systems, f...
131
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WWW
2003
ACM
16 years 5 months ago
2003
ACM
We propose a new approach to accessing databases through the Web that is based on the WebDAV protocol (Web-based Distributed Authoring and Versioning). This paper introduces an ex...