2674 search results - page 191 / 535 » Data Models and Query Languages for Spatial Databases |
186
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ER
2005
Springer
15 years 11 months ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
259
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
170
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SSD
2005
Springer
15 years 11 months ago
2005
Springer
Topological predicates are an important element of database systems that allow manipulation of spatial data. Based on the necessity for such systems to handle uncertainty, we intro...
172
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PVLDB
2010
15 years 4 months ago
2010
Managing, searching and mining uncertain data has achieved much attention in the database community recently due to new sensor technologies and new ways of collecting data. There ...
231
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ICSNW
2004
Springer
15 years 11 months ago
2004
Springer
Knowledge Sifter is a scaleable agent-based system that supports access to heterogeneous information sources such as the Web, open-source repositories, XML-databases and the emergi...