344 search results - page 57 / 69 » A Semantic Approach to Query Rewriting for Integrated XML Da... |
WEBDB
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of automatically discovering semantic associations between schema elements, namely foreign keys. This problem is important in all applications where data sets...
TC
1998
13 years 9 months ago
1998
Data integrity policies often require that quality and integrity metadata be generated and communicated to potential users. However, in data warehouses, federations, and other mul...
KDD
2005
ACM
14 years 8 months ago
2005
ACM
The Web has been rapidly "deepened" by myriad searchable databases online, where data are hidden behind query interfaces. As an essential task toward integrating these m...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semiautomatic manner without relying on pre-existing, global seman...
IM
2007
13 years 7 months ago
2007
Today’s search engines are increasingly required to broaden their capabilities beyond free-text search. More complex features, such as supporting range constraints over numeric ...