2067 search results - page 209 / 414 » Modeling and exploiting query interactions in database syste... |
178
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VLDB
1999
ACM
15 years 10 months ago
1999
ACM
We describe the architecture of a hypertext resource discovery system using a relational database. Such a system can answer questions that combine page contents, metadata, and hyp...
166
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SSD
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
160
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WETICE
1997
IEEE
15 years 10 months ago
1997
IEEE
This paper is concerned with how collaborative virtual environments can be structured in order to enable greater scalability and yet maintain a richness of communication. Based on...
186
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PKC
2009
Springer
16 years 7 months ago
2009
Springer
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...
181
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DBPL
1991
Springer
15 years 10 months ago
1991
Springer
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...