This paper introduces the notions of mask and multiple format for setting up a progressive access to information in an Information System. Masks consist of more or less complete r...
We present an approach to modeling human interpretation of (real) geographic maps. While in Geographic Information Systems (GIS) the limitations for describing geographic knowledge...
In multiagent systems ontologies are essential because they facilitate tasks like communications and reasoning. In this paper, inspired by studies in cognitive psychology, we pres...
We present HyperGraphDB, a novel graph database based on generalized hypergraphs where hyperedges can contain other hyperedges. This generalization automatically reifies every ent...
Motivated by a representational model for the cross-modal interaction between language and other modalities we present a framework for the integration of contextual information int...