642 search results - page 30 / 129 » Answering XML Queries on Heterogeneous Data Sources |
225
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ICDE
2007
IEEE
16 years 2 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
138
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DBISP2P
2006
Springer
15 years 4 months ago
2006
Springer
Abstract. This paper addresses the problem of data placement, indexing, and querying large XML data repositories distributed over an existing P2P service infrastructure. Our archit...
101
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ICDE
2010
IEEE
16 years 12 days ago
2010
IEEE
Abstract-- Despite of advances in machine learning technologies, a schema matching result between two database schemas (e.g., those derived from COMA++) is likely to be imprecise. ...
125
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PODS
2004
ACM
16 years 23 days ago
2004
ACM
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
193
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SIGMOD
2008
ACM
16 years 24 days ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...