SFB 627 Bericht SFB627-P-2009-01

Bibliograph.
Daten
Lange, Ralph; Dürr, Frank; Rothermel, Kurt: Indexing Source Descriptions for Large-Scale Distributed Ontology-based Information Systems.
Universität Stuttgart : Sonderforschungsbereich SFB 627 (Nexus: Umgebungsmodelle für mobile kontextbezogene Systeme), SFB 627 Bericht 2009/04 (extern).
33 Seiten, englisch.
CR-Klassif.H.2.5 (Heterogeneous Databases)
KeywordsOntology-based DIS; source discovery; defined classes
Kurzfassung

Scaling distributed information systems (DIS) to thousands of information sources raises specific requirements to the discovery of relevant sources for a given application task or query since each source generally covers a very small clipping of the overall domain of discourse only. We propose a novel approach for concisely describing these domain clippings of the sources by defined classes based on a shared ontology. To allow for distributed DIS at a global scale, we present a powerful index structure named SDC-Tree for indexing millions of these source descriptions for retrieving those descriptions that match a given query efficiently.

Kontaktralph.lange@ipvs.uni-stuttgart.de
Abteilung(en)Universität Stuttgart, Institut für Parallele und Verteilte Systeme, Verteilte Systeme
Projekt(e)SFB-627, B5 (Universität Stuttgart, Institut für Parallele und Verteilte Systeme, Verteilte Systeme)
Eingabedatum16. Dezember 2009