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» Extending XML Query Language Xcerpt by Ontology Queries
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CN
2002
86views more  CN 2002»
13 years 7 months ago
MSL: a model for W3C XML Schema
MSL (Model Schema Language) is an attempt to formalize some of the core idea in XML Schema. The benefits of a formal description is that it is both concise and precise. MSL has al...
Allen Brown, Matthew Fuchs, Jonathan Robie, Philip...
WEBDB
2004
Springer
125views Database» more  WEBDB 2004»
14 years 21 days ago
Best-Match Querying from Document-Centric XML
On the Web, there is a pervasive use of XML to give lightweight semantics to textual collections. Such documentcentric XML collections require a query language that can gracefully...
Jaap Kamps, Maarten Marx, Maarten de Rijke, Bö...
ESOP
2008
Springer
13 years 9 months ago
Regular Expression Subtyping for XML Query and Update Languages
Abstract. XML database query languages such as XQuery employ regular expression types with structural subtyping. Subtyping systems typically have two presentations, which should be...
James Cheney
DEXAW
2008
IEEE
145views Database» more  DEXAW 2008»
13 years 9 months ago
ECQ: A Simple Query Language for the Semantic Web
With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems. In ...
María del Mar Roldán García, ...
DGO
2003
113views Education» more  DGO 2003»
13 years 8 months ago
Resolving Schema and Value Heterogeneities for XML Web Querying
To query XML data over the Web, query engines need to be able to resolve semantic differences between heterogeneous attributes that are conceptually similar. This demo presents a ...
Nancy Wiegand, Naijun Zhou, Stephen J. Ventura, Is...