94 search results - page 4 / 19 » Data Base Mappings and Theory of Sketches |
ICIP
1998
IEEE
14 years 7 months ago
1998
IEEE
We describe a new invariant-based data model for image databases under our approach for shape-based retrieval. The data model relies on contours description of the image shape, an...
BMEI
2008
IEEE
13 years 8 months ago
2008
IEEE
The importance of gene expression data in cancer diagnosis and treatment by now has been widely recognized by cancer researchers in recent years. However, one of the major challen...
PODS
2008
ACM
14 years 6 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
ER
2008
Springer
13 years 8 months ago
2008
Springer
We address the fundamental question: what does it mean for data in a database to be of high quality? We motivate our discussion with examples, where traditional views on data quali...
DOLAP
2010
ACM
13 years 4 months ago
2010
ACM
Inter-business collaborative contexts prefigure a distributed scenario where companies organize and coordinate themselves to develop common and shared opportunities. Traditional b...