555 search results - page 41 / 111 » Data Modelling Languages: An Ontological Study |
BMCBI
2006
13 years 11 months ago
2006
Background: Biological databases and pathway knowledgebases are proliferating rapidly. We are developing software tools for computer-aided hypothesis design and evaluation, and we...
SAC
2008
ACM
13 years 10 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
ACMSE
2005
ACM
14 years 4 months ago
2005
ACM
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...
WWW
2003
ACM
14 years 12 months ago
2003
ACM
The binary form of an image does not tell what the image is about. It is possible to retrieve images from a database using pattern matching techniques, but usually textual descript...
GEOINFO
2004
14 years 17 days ago
2004
: As the geographic information system (GIS) community grows, more and more people needs to share geographic information. As modern GIS data is stored in geographic databases their...