Abstract. This paper presents TimeNET, a software tool for the modelling and performability evaluation using stochastic Petri nets. The tool has been designed especially for models...
There is currently great interest in building information mediators that can integrate informationfrom multipledata sources such as databases or Web sources. The query response ti...
We discuss the design of a class of agents that we call adaptive web site agents. The goal of such an agent is to help a user find information at a particular web site, adapting i...
In this paper, we present a query system that has been implemented in a practical biological database - GPCRDB. Distinguishing features of this system include: smart query relaxat...
When implementing a multilevel security policy for Object-Oriented Databases (OODBs), several aspects have to be investigated. One of these aspect is the design of multilevel OODB...