194 search results - page 16 / 39 » A Model for Temporal Interval Authorizations |
CP
2004
Springer
14 years 1 months ago
2004
Springer
In real-life temporal scenarios, uncertainty and preferences are often essential, coexisting aspects. We present a formalism where temporal constraints with both preferences and un...
DBSEC
2007
13 years 9 months ago
2007
Abstract. Modern information systems require temporal and privilegeconsuming usage of digital objects. To meet these requirements, we present a new access control model–Times-bas...
KR
1998
Springer
13 years 12 months ago
1998
Springer
This paper presents a formal theory for reasoning about motion of spatial entities, in a qualitative framework. Taking over a theory intended forspatial entities, we enrich ittoac...
ANSS
2002
IEEE
14 years 19 days ago
2002
IEEE
This paper introduces TUTW – Temporal Uncertainty Time Warp – a control engine designed for an exploitation of temporal uncertainty (TU) in general optimistic simulations, and...
SOCIALCOM
2010
13 years 5 months ago
2010
We explore the hypothesis that it is possible to obtain information about the dynamics of a blog network by analysing the temporal relationships between blogs at a semantic level, ...