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117
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ER
2004
Springer
15 years 10 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...
104
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OTM
2005
Springer
15 years 10 months ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...
143
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VLDB
1997
ACM
15 years 8 months ago
1997
ACM
The paper discusses the issue of views in the Web context. We introduce a set of languages for managing and restructuring data coming from the World Wide Web. We present a specifi...
132
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EDBT
2002
ACM
16 years 4 months ago
2002
ACM
One of the major challenges facing scientists dealing with gene expression data is how to integrate, explore and analyze vast quantities of related data, often residing in multiple...
184
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SSDBM
2003
IEEE
15 years 9 months ago
2003
IEEE
The widespread use of sensor networks presents revolutionary opportunities for life and environmental science applications. Many of these applications involve continuous queries t...