3456 search results - page 399 / 692 » Semantics in Spatial Databases |
157
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DEXAW
2002
IEEE
15 years 11 months ago
2002
IEEE
In this paper, we focus on the problem of integrating heterogeneous XML datasources. We follow a semantic approach to information sharing and integration, and we present a discipl...
154
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ICDT
1997
ACM
15 years 10 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
197
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ER
1993
Springer
15 years 10 months ago
1993
Springer
Two major problems in schema integration are to identify correspondences between different conceptual schemas and to verify that the proposed correspondences are consistent with th...
153
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DEXAW
2009
IEEE
15 years 10 months ago
2009
IEEE
A huge amount of schemas are expressed within outdated schema languages which are restricted concerning expressiveness, extensibility, readability, and understandability. Consequen...
161
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ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...