2514 search results - page 41 / 503 » On the Computation of Approximations of Database Queries |
179
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
In [12] we introduce a novel architecture for data processing, based on a functional fusion between a data and a computation layer. In this demo we show how this architecture is le...
285
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ICDE
2004
IEEE
16 years 7 months ago
2004
IEEE
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
289
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Many of the data sources used in stream query processing are known to exhibit bursty behavior. Data in a burst often has different characteristics than steady-state data, and ther...
155
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PODS
2000
ACM
15 years 10 months ago
2000
ACM
An estimation algorithm for a query is a probabilistic algorithm that computes an approximation for the size (number of tuples) of the query. One class of estimation algorithms us...
280
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VLDB
2003
ACM
16 years 6 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...