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» An XML Schema integration and query mechanism system
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JUCS
2008
138views more  JUCS 2008»
13 years 7 months ago
Schema Mappings and Agents' Actions in P2P Data Integration System
: We propose specification of schema mappings and agents' actions in XML data integration task. We discuss the problem in a highly-dynamic environment consisting of a communit...
Grazyna Brzykcy, Jerzy Bartoszek, Tadeusz Pankowsk...
SIGMOD
2004
ACM
163views Database» more  SIGMOD 2004»
14 years 7 months ago
Constraint-Based XML Query Rewriting For Data Integration
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Cong Yu, Lucian Popa
WIDM
2005
ACM
14 years 1 months ago
Query translation scheme for heterogeneous XML data sources
In order to formulate a meaningful XML query, a user must have some knowledge of the schema of the XML documents to be queried. The query will succeed only if the schema of the ac...
Cindy X. Chen, George A. Mihaila, Sriram Padmanabh...
KES
2008
Springer
13 years 7 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
EMISA
2005
Springer
14 years 1 months ago
Representing Generalization/Specialization in XML Schema
: XML is an effective universal data-interchange format, and XML Schema has become the preeminent mechanism for describing valid XML document structures. Generalization/specializat...
Reema Al-Kamha, David W. Embley, Stephen W. Liddle