@inproceedings{dab1198551884e5dae316a9e70724d91,
title = "Designing a federated multimedia information system on the semantic web",
abstract = "A federated Web-based multimedia information system on one hand gathers its data from various Web sources, on the other hand offers the end-user a rich semantics describing its content and a user-friendly environment for expressing queries over its data. There are three essential ingredients to successfully deploy such a system. First, one needs a design methodology identifying different design phases and their underlying models which serve as a framework for the designer. Second, there must be a set of tools that are able to execute the design, i.e. they serve as the back-end of the information system instantiating the models with data coming from various Web sources. Third, there also must be an entry point for the end-user, where he is able to explore what the system can do for him and where he can formulate his queries. This paper is a follow-up of our previous work describing the Hera design methodology and contributes to all three issues above. In particular, it refines the existing methodology by presenting an explicit RDFS-based integration model and explains how the mediator uses this model to obtain query results. The issue of a user-friendly front-end is addressed by introducing our interface for browsing and querying RDFS-based ontologies.",
author = "R. Vdovj{\'a}k and P. Barna and G.J.P.M. Houben",
year = "2003",
doi = "10.1007/3-540-45017-3_25",
language = "English",
isbn = "978-3-540-40442-2",
series = "Lecture Notes in Computer Science",
publisher = "Springer",
pages = "357--373",
editor = "J. Eder and M. Missikoff",
booktitle = "Advanced Information System Engineering (Proceedings CAiSE 2003, Klagenfurt/Velden, Austria, June 16-20, 2003)",
address = "Germany",
}