Information Retrieval Multi-agent System Established on the Metaphysics Lexical Database

The system, retrieving information from heterogeneous sources is discussed. Architecture of the system is based on multi-agent approach. The user’s queries could be presented in the native language. Retrieving process based on using knowledge, representing via ontology scheme. For this purpose the wordnet ontology is used. The development process of the ontology is discussed. The presented system works on a distributed environment, where component agents collaborate via XML web services and SOAP protocols.