194 search results - page 9 / 39 » A Model for Temporal Interval Authorizations |
AI
2008
Springer
13 years 7 months ago
2008
Springer
Representing and reasoning about time dependent information is a key research issue in many areas of computer science and artificial intelligence. One of the best known and widely...
SPATIALCOGNITION
2004
Springer
14 years 1 months ago
2004
Springer
Allen’s interval calculus is one of the most prominent formalisms in the domain of qualitative spatial and temporal reasoning. Applications of this calculus, however, are restric...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
The collective contributions of billions of users across the globe each day result in an ever-changing web. In verticals like news and real-time search, recency is an obvious sign...
IJCAI
2007
13 years 9 months ago
2007
Temporal reasoning is widely used within both Computer Science and A.I. However, the underlying complexity of temporal proof in discrete temporal logics has led to the use of simp...