403 search results - page 37 / 81 » Constraint Databases and Geographic Information Systems |
101
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AIM
2004
14 years 11 months ago
2004
Reasoning about spatial data is a key task in many applications, including geographic information systems, meteorological and fluid flow analysis, computer-aided design, and prote...
179
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
Automatic recognition and formalization of constraints from free-form service requests is a challenging problem. Its resolution would go a long way toward allowing users to make r...
119
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ICDT
2012
ACM
13 years 2 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ER
2004
Springer
15 years 5 months ago
2004
Springer
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...
BROADNETS
2005
IEEE
15 years 5 months ago
2005
IEEE
— Ethernet over SONET (EoS) is a popular approach for interconnecting geographically distant Ethernet segments using a SONET transport infrastructure. It typically uses virtual c...