418 search results - page 29 / 84 » The Web as a Data Source for Spatial Databases |
150
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VLDB
2004
ACM
15 years 9 months ago
2004
ACM
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
227
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GIS
2007
ACM
16 years 5 months ago
2007
ACM
Accurate and efficient integration of geospatial data is an important problem with applications in areas such as emergency response and urban planning. Some of the key challenges ...
101
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SEMWEB
2004
Springer
15 years 9 months ago
2004
Springer
The problem of data semantics is establishing and maintaining the correspondence between a data source and its intended subject matter. We review the long history of the problem in...
150
Voted
BMCBI
2007
15 years 3 months ago
2007
Background: Technological advances in high-throughput techniques and efficient data acquisition methods have resulted in a massive amount of life science data. The data is stored ...
137
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ADBIS
2001
Springer
15 years 8 months ago
2001
Springer
Three join algorithms are evaluated in an environment with distributed main-memory based mediators and data sources. A streamed ship-out join ships bulks of tuples to a mediator ne...