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» Answering XML Queries on Heterogeneous Data Sources
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ICDE
2007
IEEE
145views Database» more  ICDE 2007»
14 years 10 months ago
Rewriting Regular XPath Queries on XML Views
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...
Wenfei Fan, Floris Geerts, Xibei Jia, Anastasios K...
DBISP2P
2006
Springer
195views Database» more  DBISP2P 2006»
14 years 10 days ago
XML Query Routing in Structured P2P Systems
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...
Leonidas Fegaras, Weimin He, Gautam Das, David Lev...
ICDE
2010
IEEE
263views Database» more  ICDE 2010»
14 years 8 months ago
Managing Uncertainty of XML Schema Matching
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. ...
Reynold Cheng, Jian Gong, David W. Cheung
PODS
2004
ACM
120views Database» more  PODS 2004»
14 years 8 months ago
Locally Consistent Transformations and Query Answering in Data Exchange
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...
Marcelo Arenas, Pablo Barceló, Ronald Fagin...
SIGMOD
2008
ACM
164views Database» more  SIGMOD 2008»
14 years 8 months ago
Relational-style XML query
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...
Taro L. Saito, Shinichi Morishita