265 search results - page 30 / 53 » Tree-width and functional dependencies in databases |
CLEANDB
2006
ACM
14 years 1 months ago
2006
ACM
We propose the Multiple Join Path (MJP) framework for obtaining high quality information by linking fields across multiple databases, when the underlying databases have poor qual...
CORR
2002
Springer
13 years 7 months ago
2002
Springer
We address the problem of minimal-change integrity maintenance in the context of integrity constraints in relational databases. We assume that integrity-restoration actions are li...
CVPR
1998
IEEE
14 years 9 months ago
1998
IEEE
Image texture can arise not only from surface albedo variations (2D texture) but also from surface height variations (3D texture). Since the appearance of 3D texture depends on th...
DEXA
2000
Springer
14 years 15 min ago
2000
Springer
To select some "valuable" views for materialization is an essential challenge in OLAP system design. Several techniques proposed previously are not very scalable for syst...
SIGMOD
2004
ACM
14 years 1 months ago
2004
ACM
Data items are often associated with a location in which they are present or collected, and their relevance or in uence decays with their distance. Aggregate values over such data...