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» An XML Schema integration and query mechanism system
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IJCSA
2006
113views more  IJCSA 2006»
15 years 1 months ago
An Advanced XML Mediator for Heterogeneous Information Systems Based on Application Domain Specification
The explosion of the number of web-based information sources has drastically increased the need for intelligent mediation tools to be implemented between the users and these infor...
Mostafa Ezziyyani, Mustapha Bennouna, Loubna Cherr...
ICIW
2008
IEEE
15 years 7 months ago
XML Semantic Filtering via Ontology Reasoning
In this paper, we present an extension of PHIL, a declarative language for filtering information from XML data. The proposed approach allows us to extract relevant data as well a...
Michele Baggi, Moreno Falaschi, Demis Ballis
WWW
2008
ACM
16 years 2 months ago
A semantic layer for publishing and localizing xml data for a p2p xquery mediator
In this poster, we present the P2P XML data localization layer of XLive, an XQuery mediation system developed at University of Versailles [2]. A major challenge in the evaluation ...
Florin Dragan, Georges Gardarin, Laurent Yeh
DEXA
2009
Springer
127views Database» more  DEXA 2009»
15 years 8 months ago
The Real Performance Drivers behind XML Lock Protocols
Abstract. Fine-grained lock protocols should allow for highly concurrent transaction processing on XML document trees, which is addressed by the taDOM lock protocol family enabling...
Sebastian Bächle, Theo Härder
VLDB
2001
ACM
168views Database» more  VLDB 2001»
16 years 1 months ago
Answering queries using views: A survey
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
Alon Y. Halevy