3969 search results - page 375 / 794 » Query Processing Using Ontologies |
160
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EDBT
2010
ACM
15 years 11 months ago
2010
ACM
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
233
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VLDB
2007
ACM
16 years 5 months ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...
123
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UIST
2009
ACM
15 years 11 months ago
2009
ACM
Time-series graphs are often used to visualize phenomena that change over time. Common tasks include comparing values at different points in time and searching for specified patte...
152
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ICDCS
2002
IEEE
15 years 9 months ago
2002
IEEE
Recent technology advances have enabled mediated query processing with Internet accessible WebSources. A characteristic of WebSources is that their access costs exhibit transient ...
158
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EURONGI
2008
Springer
15 years 6 months ago
2008
Springer
Current mobility management systems are operator centralized, and focused on single link technologies. In heterogeneous wireless mesh networks, vertical handovers could be a length...