403 search results - page 30 / 81 » Constraint Databases and Geographic Information Systems |
WIIW
2001
15 years 1 months ago
2001
Our research and development activities in digital libraries raised relevant features in supporting Web information integration. Underlain by an in house multi-agent based architec...
ADBIS
2004
Springer
15 years 5 months ago
2004
Springer
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...
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SDB
1995
15 years 3 months ago
1995
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
DILS
2006
Springer
15 years 3 months ago
2006
Springer
Life science researchers want biological information in their interest to become available to them as soon as possible. A monitoring system is a solution that relieves biologists f...
SSD
2009
Springer
15 years 6 months ago
2009
Springer
The standard database mechanisms for concurrency control, which include transactions and locking protocols, do not provide the support needed for updating complex geographic data i...