When information services are organized to provide some composed functionality, their interactions can be formally represented as workflows. Traditionally, workflows are executed...
The benefits of reuse have long been recognized in the knowledge engineering community where the dream of creating knowledge-based systems on-the-fly from libraries of reusable co...
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
Abstract. This paper describes the design and implementation of SweetProlog, a system for translating Web rules into Prolog. It enables the integration of ontologies and rules on t...
Loredana Laera, Valentina A. M. Tamma, Trevor J. M...
Abstract. Regarding web searches, users have become used to keywordbased search interfaces due to their ease of use. However, this implies a semantic gap between the user's in...
Carlos Bobed, Raquel Trillo, Eduardo Mena, Sergio ...