2229 search results - page 180 / 446 » The Case for Grounding Databases |
174
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
269
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
178
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ER
2004
Springer
15 years 12 months ago
2004
Springer
Ontology provides sharing knowledge among different data sources which will help to clarify the semantics of information. OWL is being promoted as a standard for web ontology langu...
155
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GI
2005
Springer
15 years 12 months ago
2005
Springer
: In order to reduce transmission cost mobile information system clients often cache data retrieved in a context aware manner. In the case of updates it may happen that this data b...
185
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SSD
2001
Springer
15 years 11 months ago
2001
Springer
Spatial joins are fundamental in spatial databases. Over the last decade, the primary focus of research has been on joins with the predicate “region intersection.” In modern da...