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ESWS
2008
Springer
13 years 7 months ago
Querying Distributed RDF Data Sources with SPARQL
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
Bastian Quilitz, Ulf Leser
WWW
2006
ACM
14 years 6 months ago
Beyond XML and RDF: The Versatile Web Query Language Xcerpt
Applications and services that access Web data are becoming increasingly more useful and wide-spread. Current main-stream Web query languages such as XQuery, XSLT, or SPARQL, howe...
Sacha Berger, François Bry, Tim Furche, Ben...
ADBIS
2007
Springer
171views Database» more  ADBIS 2007»
13 years 11 months ago
Quete: Ontology-Based Query System for Distributed Sources
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
Haridimos Kondylakis, Anastasia Analyti, Dimitris ...
DGO
2003
129views Education» more  DGO 2003»
13 years 6 months ago
Extending XML Web Querying to Heterogeneous Geospatial Information
This paper describes a Web-based query system for semantically heterogeneous geospatial data. Our goal is to provide DBMS type query capabilities to a proposed statewide land info...
Nancy Wiegand, Naijun Zhou, Stephen J. Ventura, Is...
SEMWEB
2009
Springer
13 years 12 months ago
Semantic Usage Policies for Web Services
Web Services provide standardized interfaces for accessing software systems and data sources over the Internet. Semantic descriptions of Web Services help to automate the discovery...
Sebastian Speiser