167 search results - page 26 / 34 » On the provenance of non-answers to queries over extracted d... |
DKE
2006
13 years 8 months ago
2006
We describe a framework called the Uni-Level Description (ULD) for accurately representing information from a broad range of data models. The ULD extends previous metadata-model a...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Personalized search systems have evolved to utilize heterogeneous features including document hyperlinks, category labels in various taxonomies and social tags in addition to free...
SSDBM
1999
IEEE
14 years 5 days ago
1999
IEEE
Multidimensional Analysis in On-Line Analytical Processing (OLAP), and Scientific and statistical databases (SSDB) use operations requiring summary information on multi-dimensiona...
WEBI
2005
Springer
14 years 1 months ago
2005
Springer
In order to let software programs gain full benefit from semi-structured web sources, wrapper programs must be built to provide a “machine-readable” view over them. A signific...