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JUCS
2007
109views more  JUCS 2007»
13 years 4 months ago
On Ranking RDF Schema Elements (and its Application in Visualization)
Abstract: Ranking is a ubiquitous requirement whenever we confront a large collection of atomic or interrelated artifacts. This paper elaborates on this issue for the case of RDF s...
Yannis Tzitzikas, Dimitris Kotzinos, Yannis Theoha...
KES
2008
Springer
13 years 4 months ago
A Secure Mediator for Integrating Multiple Level Access Control Policies
Abstract. We present a method for mapping security levels among the components of a distributed system where data in the local sources are represented in XML. Distributed data is i...
Isabel F. Cruz, Rigel Gjomemo, Mirko Orsini
ERCIMDL
1999
Springer
110views Education» more  ERCIMDL 1999»
13 years 8 months ago
Integrating Ontologies and Thesauri to Build RDF Schemas
In this paper we present a new approach for building RDF schemas by integrating existing ontologies and structured vocabularies (thesauri). We will present a simple mechanism base...
Bernd Amann, Irini Fundulaki
ESWS
2005
Springer
13 years 10 months ago
RDFSculpt: Managing RDF Schemas Under Set-Like Semantics
The Semantic Web is an extension of the current Web in which information is given well-defined meaning to support effective data discovery and integration. The RDF framework is a...
Zoi Kaoudi, Theodore Dalamagas, Timos K. Sellis
WWW
2001
ACM
14 years 5 months ago
Combining RDF and XML schemas to enhance interoperability between metadata application profiles
The term "application profile" has recently become highly topical. Heery and Patel [1] define application profiles as metadata schemas which consist of metadata elements...
Jane Hunter, Carl Lagoze
WWW
2002
ACM
14 years 5 months ago
RQL: a declarative query language for RDF
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
Gregory Karvounarakis, Sofia Alexaki, Vassilis Chr...