1654 search results - page 254 / 331 » Ontology Based Query Processing in Database Management Syste... |
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DKE
2007
15 years 3 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
121
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CIDR
2003
15 years 4 months ago
2003
Partitioning within a B-tree, based on an artificial leading key column and combined with online reorganization, can be exploited during external merge sort for accurate deep read...
123
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BMCBI
2008
15 years 3 months ago
2008
Background: Web Services and Workflow Management Systems can support creation and deployment of network systems, able to automate data analysis and retrieval processes in biomedic...
156
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MM
2006
ACM
15 years 9 months ago
2006
ACM
Computer vision researchers have recently proposed several local descriptor schemes. Due to lack of database support, however, these descriptors have only been evaluated using sma...
221
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GIS
2007
ACM
16 years 4 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 ...