This work investigates the practical issue of mapping existing GIS to the OpenGIS standards. We describe the data models used in three systems (MGE, ARC/INFO and SPRING) and analys...
The Data Interoperability Problem appears in contexts where consumers need to peruse data owned by producers, and the syntax and/or semantics of such data—at both end points—ar...
Different ontologies used in semantic web services fields raise numerous interoperation and communication problems with respect to service discovery, composition, and execution. ...
Xia Wang, Tomas Vitvar, Manfred Hauswirth, Doug Fo...
Recent work in Ontology learning and Text mining has mainly focused on engineering methods to solve practical problem. In this thesis, we investigate methods that can substantially...
Abstract. Nowadays enterprises request information technologies that leverage structured and unstructured information for providing a single integrated view of business problems in...