Managing RDF Metadata for Community Webs

Authors:
Sofia Alexaki;Vassilis Christophides;Gregory Karvounarakis;Dimitris Plexousakis;Karsten Tolle;Bernd Amann;Irini Fundulaki;Michel Scholl;Anne-Marie Vercoustre
Affiliations:
-;-;-;-;-;-;-;-;-
Venue:
ER '00 Proceedings of the Workshops on Conceptual Modeling Approaches for E-Business and The World Wide Web and Conceptual Modeling: Conceptual Modeling for E-Business and the Web
Year:
2000

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Abstract

The need for descriptive information, i.e., metadata, about Web resources has been recognized in several application contexts (e.g., digital libraries, portals). The Resource Description Framework (RDF) aims at facilitating the creation and exchange of metadata, as directed labeled graphs serialized in XML. In particular, the definition of schema vocabularies enables the interpretation of semistructured RDF descriptions using taxonomies of node and edge labels. In this paper, we propose (i) a formal model capturing RDF schema constructs; (ii) a declarative query language featuring generalized path expressions for taxonomies of labels (iii) a metadata management architecture for efficient storage and querying of RDF descriptions and schemas.