267 search results - page 3 / 54 » Constraint-Based XML Query Rewriting For Data Integration |
DKE
2008
13 years 5 months ago
2008
The availability of large amounts of heterogeneous distributed web data necessitates the integration of XML data from multiple XML sources for many reasons. For example, currently,...
ER
2007
Springer
13 years 11 months ago
2007
Springer
XML Schema supports the specification of occurrence constraints by declaring values for its min/maxOccurs attributes. These constraints are structural in the sense that they rest...
WWW
2011
ACM
12 years 12 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
COOPIS
2002
IEEE
13 years 10 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
CIKM
2008
Springer
13 years 6 months ago
2008
Springer
In this paper, we focus on XML data integration by studying rewritings of XML target schemas in terms of source schemas. Rewriting is very important in data integration systems wh...