2514 search results - page 70 / 503 » On the Computation of Approximations of Database Queries |
163
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ADBIS
2000
Springer
15 years 10 months ago
2000
Springer
We consider queries which originate from a mobile unit and whose result depends on the location of the user who initiates the query. Example of such a query is How many people are ...
149
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ICDT
2010
ACM
15 years 10 months ago
2010
ACM
Given a database instance and a corresponding view instance, we address the view definitions problem (VDP): Find the most succinct and accurate view definition, when the view quer...
168
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ERSHOV
2003
Springer
15 years 11 months ago
2003
Springer
Storage costs are rapidly decreasing, making it feasible to store larger amounts of data in databases. This also makes it possible to store previous versions of data in the databa...
216
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PERCOM
2005
ACM
15 years 12 months ago
2005
ACM
A distributed system for approximate query answering on sensor network data is proposed, where a suitable compression technique is exploited to represent data and support query an...
168
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VLDB
1998
ACM
15 years 10 months ago
1998
ACM
Approximate predicates can be used to reduce the number of comparisons made by expensive, complex predicates. For example, to check if a point is within a region (expensive predic...