33 search results - page 7 / 7 » Approximating Aggregation Queries in Peer-to-Peer Networks |
SPAA
2006
ACM
15 years 5 months ago
2006
ACM
Consider a network in which a collection of source nodes maintain and periodically update data objects for a collection of sink nodes, each of which periodically accesses the data...
PVLDB
2008
14 years 11 months ago
2008
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
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ESA
2010
Springer
15 years 19 days ago
2010
Springer
We study the problem of estimating the average of a Lipschitz continuous function f defined over a metric space, by querying f at only a single point. More specifically, we explore...