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RIDE
1999
IEEE
13 years 11 months ago
Specification of Cooperative Constraints in Virtual Enterprise Workflow
Workflow systems are an emerging technology which have become increasingly important in the drive for business to provide better services and increase productivity. Intuitively, w...
Anne H. H. Ngu
LICS
2005
IEEE
14 years 1 months ago
Temporal Logics over Unranked Trees
We consider unranked trees, that have become an active subject of study recently due to XML applications, and characterize commonly used fragments of firstorder (FO) and monadic ...
Pablo Barceló, Leonid Libkin
JOLLI
2002
109views more  JOLLI 2002»
13 years 7 months ago
Linear, Branching Time and Joint Closure Semantics for Temporal Logic
Temporal logic can be used to describe processes: their behaviour is characterized by a set of temporal models axiomatized by a temporal theory. Two types of models are most often ...
Joeri Engelfriet, Jan Treur
FOIKS
2006
Springer
13 years 11 months ago
Modeling the Evolution of Objects in Temporal Information Systems
This paper presents a semantic foundation of temporal conceptual models used to design temporal information systems. We consider a modeling language able to express both timestampi...
Alessandro Artale, Christine Parent, Stefano Spacc...
ROBOCUP
1999
Springer
95views Robotics» more  ROBOCUP 1999»
13 years 11 months ago
Spatial Agents Implemented in a Logical Expressible Language
In this paper, we present a multi-layered architecture for spatial and temporal agents. The focus is laid on the declarativity of the approach, which makes agent scripts expressive...
Frieder Stolzenburg, Oliver Obst, Jan Murray, Bj&o...