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Prof. Dr. S. Decker
RWTH Aachen
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Device Proxy Discovery and Ontology-Based Domain Model in a Distributed Application

Thesis type
  • Master
Student Beatriz [Alessandra] Avila
Status Finished
Submitted in 2013
Proposal on 25. Feb 2013 15:00
Proposal room C5-319 (Fraunhofer IZB)
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  • Ferry Pramudianto (Fraunhofer FIT)

This master thesis focuses on Web service discovery and the use of ontologies as centralized domain model for distributed applications.

The use of ontologies started in the Artificial Intelligence field, but in recent years it has expanded to other domains, for instance, the World Wide Web (WWW). Languages like RDF and OWL have been developed to encode information on the Web in order to make it more understandable for search agents. Several disciplines have defined standardized ontologies within their own fields, with the purpose of having a shared understanding of their domain knowledge, for example in Medicine, Biology, Geography, Journalism, etc.

The purpose of this master thesis is to use ontologies to model the domain concepts of a distributed application that is based on the vision of Internet of Things. In such an application, device developers should make their devices available and accessible for other devices and applications; therefore, it is required to be able to discover them, find out their abilities and properties, and ultimately access them, for instance through Web services. This type of system is useful to implement Ambient Intelligence, which in turn benefits from semantic models to combine distributed information fractions in order to obtain a complete view. Consequently, this master should as well design and implement a mechanism to merge partial ontologies from the devices into a central global Device Ontology that contains relevant knowledge from all available devices at a point in time.



The thesis candidate should have basic knowledge in ontologies, Java and Web services.

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