4137 search results - page 489 / 828 » Managing Expressions as Data in Relational Database Systems |
256
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ADC
2009
Springer
16 years 1 months ago
2009
Springer
This paper presents a model for privacy preserving access control which is based on variety of purposes. Conditional purpose is applied along with allowed purpose and prohibited p...
231
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DOLAP
2005
ACM
15 years 8 months ago
2005
ACM
Different modeling approaches have been proposed to overcome every design pitfall of the development of the different parts of a data warehouse (DW) system. However, they are all ...
183
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IWMMDBMS
1998
15 years 8 months ago
1998
Multimedia database systems (MMDBSs) have to be capable to handle efficiently time-dependent and timeindependent data, and to support Quality-of-Service (QoS). To support continuo...
190
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WSCG
2003
15 years 8 months ago
2003
The paper presents a visualization-based approach to explore large databases of geographic metadata. The aim of the data exploration is to search and acquire expressive geographic...
232
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AAAI
1993
15 years 8 months ago
1993
This paper describes a method for the development of dialogue managers for natural language interfaces. A dialogue manager is presented designed on the basis of both a theoretical...