162 search results - page 3 / 33 » SPARQL query rewriting for implementing data integration ove... |
ER
2005
Springer
14 years 28 days ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
The ever-increasing amount of data in biomedical research, and in cancer research in particular, needs to be managed to support efficient data access, exchange and integration. Exi...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
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...
ICDE
2007
IEEE
14 years 8 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...
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
The goal of data fusion is to combine several representations of one real world object into a single, consistent representation, e.g., in data integration. A very popular operator...