794 search results - page 128 / 159 » On the Information Content of Semi-Structured Databases |
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Design principles for XML schemas that eliminate redundancies and avoid update anomalies have been studied recently. Several normal forms, generalizing those for relational databa...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
The widespread adoption of XML holds out the promise that document structure can be exploited to specify precise database queries. However, the user may have only a limited knowle...
GEOINFORMATICA
1998
13 years 7 months ago
1998
ally related entity types, or classes, into higher level, more abstract types, as part of a hierarchical classi®cation scheme. graphy, generalization retains the notion of abstrac...
SCFBM
2008
13 years 7 months ago
2008
Background: Ultrasound scanning uses the medical imaging format, DICOM, for electronically storing the images and data associated with a particular scan. Large health care facilit...
BMCBI
2006
13 years 7 months ago
2006
Background: Mitochondria are sub-cellular organelles that have a central role in energy production and in other metabolic pathways of all eukaryotic respiring cells. In the last f...