33 search results - page 7 / 7 » Approximating Aggregation Queries in Peer-to-Peer Networks |
SPAA
2006
ACM
13 years 10 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
13 years 4 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 ...
ESA
2010
Springer
13 years 5 months 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...