403 search results - page 14 / 81 » Constraint Databases and Geographic Information Systems |
144
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WWW
2003
ACM
16 years 4 months ago
2003
ACM
As users get connected with new-generation smart programmable phones and Personal Digital Assistants, they look for geographic information and location-aware services. In such a s...
145
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NAR
2007
15 years 3 months ago
2007
Frequent outbreaks of highly pathogenic avian influenza and the increasing data available for comparative analysis require a central database specialized in influenza viruses (IVs...
167
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IDEAS
1999
IEEE
15 years 8 months ago
1999
IEEE
The diversity of spatial information systems promotes the need to integrate heterogeneous spatial or geographic information systems (GIS) in a cooperative environment. This paper ...
213
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
We have earlier proposed the tight-coupling architecture for adding new data types into the DBMS engine. In this paper, we introduce the Odysseus ORDBMS and present its tightly-co...
150
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COOPIS
1996
IEEE
15 years 8 months ago
1996
IEEE
A federated database is comprised of multiple interconnected database systems that primarily operate independently but cooperate to a certain extent. Global integrity constraints c...