67 search results - page 11 / 14 » Describing and Utilizing Constraints to Answer Queries in Da... |
AAAI
2006
13 years 9 months ago
2006
We demonstrate an end-to-end use case of the semantic web's utility for synthesizing ecological and environmental data. ELVIS (the Ecosystem Location Visualization and Inform...
ICTL
1994
13 years 12 months ago
1994
Commonsense knowledge often omits the temporal incidence of facts, and even the ordering between occurrences is only available for some of their instances. Reasoning about the temp...
ICDT
2003
ACM
14 years 28 days ago
2003
ACM
Informatics has helped launch molecular biology into the genomic era. It appears certain that informatics will remain a major contributor to molecular biology in the post-genome er...
HIPC
2004
Springer
14 years 1 months ago
2004
Springer
It is well known that in a typical real-time system, certain parameters, such as the execution time of a job, are not fixed numbers. In such systems, it is common to characterize ...
CCS
2007
ACM
14 years 1 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 ...