7607 search results - page 128 / 1522 » Querying data provenance |
175
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
181
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SSD
2005
Springer
15 years 12 months ago
2005
Springer
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...
155
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
The largeness and the heterogeneity of most graph-modeled datasets in several database application areas make the query process a real challenge because of the lack of a complete ...
211
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WISE
2000
Springer
15 years 10 months ago
2000
Springer
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
275
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Imagine that you have been entrusted with private data, such as corporate product information, sensitive government information, or symptom and treatment information about hospita...