The paper describes the different phases and subdomains of process modelling and their needs for conceptual and linguistic support, and in what forms. We group the relevant factor...
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
We present a new, interactive tool called Intelligent Scissors which we use for image segmentation and composition. Fully automated segmentation is an unsolved problem, while manu...
Gamma was originally proposed in 1986 as a formalism for the de nition of programs without arti cial sequentiality. The basic idea underlying the formalism is to describe computati...
In job scheduling with precedence constraints, i j means that job j cannot start being processed before job i is completed. In this paper we consider selfish bully jobs who do no...