501 search results - page 93 / 101 » Simplification of Integrity Constraints for Data Integration |
WWW
2007
ACM
15 years 10 months ago
2007
ACM
Design principles for XML schemas that eliminate redundancies and avoid update anomalies have been studied recently. Several normal forms, generalizing those for relational databa...
CODES
2007
IEEE
15 years 3 months ago
2007
IEEE
Multiple wireless technologies are converging to run on personal handhelds. The plethora of communication standards next to the cost issues of deeper submicron processing require ...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
80
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IMC
2006
ACM
15 years 3 months ago
2006
ACM
We present Topology-based Geolocation (TBG), a novel approach to estimating the geographic location of arbitrary Internet hosts. We motivate our work by showing that 1) existing a...
112
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SIGGRAPH
1992
ACM
15 years 1 months ago
1992
ACM
This paper discusses a new, symbolic approach to geometric modeling called generative modeling. The approach allows specification, rendering, and analysis of a wide variety of sha...