1573 search results - page 254 / 315 » Signs and Formal Concepts |
ECAIW
1994
Springer
14 years 1 months ago
1994
Springer
The concept of an agent has recently become important in Artificial Intelligence (AI), and its relatively youthful subfield, Distributed AI (DAI). Our aim in this paper is to poin...
ESORICS
1994
Springer
14 years 1 months ago
1994
Springer
The Transformation Model TRM was recently introduced 10 in the literature by Sandhu and Ganta. TRM is based on the concept of transformation of rights. The propagation of access ri...
ECAI
1992
Springer
14 years 1 months ago
1992
Springer
The literature on the nature and representation of time is full of disputes and contradictory theories. This is surprising since the nature of time does not cause any worry for pe...
SSD
1993
Springer
14 years 1 months ago
1993
Springer
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
IFIP
1992
Springer
14 years 1 months ago
1992
Springer
Retrieving relevant information in Data and Knowledge Bases containing a large number of di erent types of information is a non trivial problem. That is the reason why, in areas l...