116 search results - page 3 / 24 » Database querying under changing preferences |
VLDB
2004
ACM
14 years 5 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
SPIESR
2000
13 years 6 months ago
2000
Color object recognition methods that are based on image retrieval algorithms can handle changes of illumination via image normalization, e.g. simple color-channel-normalization1 ...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
IDEAS
2003
IEEE
13 years 10 months ago
2003
IEEE
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
CIKM
2005
Springer
2005
Springer
Detecting changes on unordered XML documents using relational databases: a schema-conscious approach
13 years 10 months ago
Several relational approaches have been proposed to detect the changes to XML documents by using relational databases. These approaches store the XML documents in the relational d...