This paper proposes a framework to learn concepts from di erent kinds of observations. We de ne a language to describe meta-concepts, that represent the sets of possible concepts ...
We put forward a methodological approach aimed at guiding ontology modellers in choosing which relations to reify. Our proposal is based on the notion of aggregation as used in con...
Video surveillance applications need tools to track people trajectories. We present here a new method to extract the 3D head trajectory of a person in a room using only one calibr...
A crucial task in process management is the validation of process refinements. A process refinement is a process description in a more fine-grained representation. The refinement i...
We present a representative development in the science of security that includes a generic model of computer systems, their security properties and adversaries who actively interf...
Anupam Datta, Jason Franklin, Deepak Garg, Limin J...