Dinos-Rojas, Juan L.

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Arquitectura de un sistema basado en agentes para la recuperación de metadatos rdf en base a una ontología de documentos
(2004) Dinos-Rojas, Juan L.; Vega-Riveros, José F.; College of Engineering; Rodriguez-Martinez, Manuel; Rodriguez Martinez, Manuel; Department of Electrical and Computer Engineering; Valle, Awilda
This thesis describes the architecture of an agent-based system to retrieve information resources for a higher education environment. An ontology representing documents used by students and faculty members is also described, where RDF-S (Resource Description Framework Schema) is used. The RDF-S recommendation offers terms that allow the representation of concepts, their relationships and their attributes, all of which formed the metadata. The architecture uses three types of agent (UserAgent, SearchAgent and OntologyAgent), where each agent is in charge of different tasks such as user interaction, ontology retrieval and metadata search. The prototype called oSEMA was development using this architecture, to recover information in a distributed environment. Tests were conducted to measure the execution time to process a request in two scenarios. As a result, a decentralized organization of agents with their own repositories RDF presents a better response time. Also, using this ontology to describe documents provided greater advantages.