Topological relationships between spatial objects represent important knowledge that users of geographic information systems expect to retrieve from a spatial database. A di cult t...
Eliseo Clementini, Paolino Di Felice, Peter van Oo...
We propose a theory for reasoning about actions based on order-sorted predicate logic where one can consider an elaborate taxonomy of objects. We are interested in the projection ...
The objective of the emis project is the conception and realization of a multilingualinformation system on European media law with the following functionalities: search by words, ...
Abstract. In this paper, we demonstrate an effective ranked XML keyword search with meaningful result display. Our system, named ICRA, recognizes a set of object classes in XML dat...
Watson is a gateway to the Semantic Web: it collects, analyzes and gives access to ontologies and semantic data available online. Its objective is to support the development of ne...