24444 search results - page 4828 / 4889 » A Data Model for Data Integration |
177
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SIGMOD
2000
ACM
15 years 10 months ago
2000
ACM
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
150
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
It is envisaged that the application of the multilevel security (MLS) scheme will enhance exibility and e ectiveness of authorization policies in shared enterprise databases and w...
175
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ICCAD
1999
IEEE
15 years 10 months ago
1999
IEEE
This paper addresses the problem of efficient and accurate performance analysis to drive the exploration and design of bus-based System-on-Chip (SOC) communication architectures. ...
168
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ICMCS
1999
IEEE
15 years 10 months ago
1999
IEEE
Video-on-demand (VOD) is a very promising multimedia application of the near future. In order for such a service to be commercially viable, efficient storage and retrieval schemes...
139
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ICRA
1999
IEEE
15 years 10 months ago
1999
IEEE
This paper describes a new method for improving the accuracy of range information using low resolution ultrasonic sensors mounted on a mobile robot. These sensors emit ultra-sound...