3456 search results - page 410 / 692 » Semantics in Spatial Databases |
151
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VLDB
1987
ACM
15 years 10 months ago
1987
ACM
The design of the POSTGRES data model is described. The data model is a relational model that has been extended with abstract data types including user-defined operators and proce...
158
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ER
2008
Springer
15 years 8 months ago
2008
Springer
In this paper we present how to extract and describe emerging content ontology design patterns, and how to compose, specialize and expand them for ontology design, with particular ...
168
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ER
2008
Springer
15 years 8 months ago
2008
Springer
In a series of publications, we have proposed a foundational system of ontological categories which has been successfully used to evaluate and improve the quality of conceptual mod...
187
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Refactoring is a change made to the internal structure of software to make it easier to understand and cheaper to modify without changing its observable behaviour. A database refa...
176
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ICDE
2010
IEEE
15 years 5 months ago
2010
IEEE
Abstract— Existing semantic integration approaches to coordinating data do not meet the needs of real world scenarios which contain fine-grained relationships between data sourc...