Composition of stateful web services expressed in BPEL4WS can be recasted as a problem of planning in asynchronous domains. In (PTB05), this is pursued by encoding the asynchronou...
Piergiorgio Bertoli, Marco Pistore, Paolo Traverso
The requirements imposed on information retrieval systems are increasing steadily. The vast number of documents in today's large databases and especially on World Wide Web ca...
We propose to integrate ACO in a Constraint Programming (CP) language. Basically, we use the CP language to describe the problem to solve by means of constraints and we use the CP ...
This paper analyses reported difficulties in spatial data retrieval from Internet portals, based on results from an empirical survey. The analysis reveals the problems which cause ...
Finding contours in constrained search space is a well known problem. It is encountered in such areas as tracking objects in videos, or finding objects within defined boundaries....