188 search results - page 29 / 38 » Relational Formalism for the Management of Spatial Data |
COOPIS
2004
IEEE
13 years 11 months ago
2004
IEEE
An innate characteristic of the development of ontologies is that they are often created by independent groups of expertise, which generates the necessity of merging and aligning o...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Tools for generating test queries for databases do not explicitly take into account the actual data in the database. As a consequence, such tools cannot guarantee suitable coverag...
WER
1998
Springer
13 years 11 months ago
1998
Springer
Active systems are emerging in many fields, being particularly interesting those like Active Database Management Systems which always provide some kind of reactive capabilities. I...
CIKM
1998
Springer
13 years 11 months ago
1998
Springer
Despite of the fact that large line segment datasets are appearing more and more frequently in numerous applications involving spatial data, such as GIS 8, 9] multimedia 6] and ev...
SAC
2010
ACM
14 years 2 months ago
2010
ACM
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...