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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
DKE
2007
199views more  DKE 2007»
13 years 7 months ago
QMatch - Using paths to match XML schemas
Integration of multiple heterogeneous data sources continues to be a critical problem for many application domains and a challenge for researchers world-wide. With the increasing ...
Naiyana Tansalarak, Kajal T. Claypool
DOLAP
2004
ACM
14 years 1 months ago
Evaluating XML-extended OLAP queries based on a physical algebra
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Xuepeng Yin, Torben Bach Pedersen
ICDE
2007
IEEE
103views Database» more  ICDE 2007»
14 years 9 months ago
A Semantic Approach to Discovering Schema Mapping Expressions
In many applications it is important to find a meaningful relationship between the schemas of a source and target database. This relationship is expressed in terms of declarative ...
Alexander Borgida, John Mylopoulos, Renée J...
BTW
2007
Springer
236views Database» more  BTW 2007»
13 years 11 months ago
A Classification of Schema Mappings and Analysis of Mapping Tools
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
Frank Legler, Felix Naumann