The purpose of our research is to develop an agent based knowledge management application framework using a specific type of ontology that is able to facilitate semantic web service search and automatic composition. This solution can later on be used to develop complex solutions for location based services, supply chain management, etc. This application for modeling knowledge highlights the imp...

This paper presents a distributed object based multi-level architecture to allow interoperability among heterogeneous geographical information systems (GIS). It consists of a lower level which provides interconnectivity among information sites and a higher level which provides fonctionalities to hide the heterogeneity among GIS.

nowadays, standardized metadata for geospatial data is a key in sharing and finding information on the web and crucial in building geospatial data infrastructure (gdi). the main objective of this paper was to develop a web-based metadata dissemination system for in-situ sensors based on, most importantly, interoperable, standard and open technologies introduced by open gis consortium (ogc), nam...