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PVLDB
2008
116views more  PVLDB 2008»
14 years 9 months ago
Tighter estimation using bottom k sketches
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 ...
Edith Cohen, Haim Kaplan
ACSD
2005
IEEE
126views Hardware» more  ACSD 2005»
15 years 3 months ago
Modelling and Analysis of Distributed Simulation Protocols with Distributed Graph Transformation
This paper presents our approach to model distributed discrete event simulation systems in the framework of distributed graph transformation. We use distributed typed attributed g...
Juan de Lara, Gabriele Taentzer
WOWMOM
2005
ACM
106views Multimedia» more  WOWMOM 2005»
15 years 3 months ago
A Framework for Dynamic Service Composition
To be able to utilize the generative potential of future networks for service composition, the attributes of services and networks must be appropriately formalized, stored and mad...
Paramai Supadulchai, Finn Arve Aagesen
PODS
2002
ACM
98views Database» more  PODS 2002»
15 years 10 months ago
On Propagation of Deletions and Annotations Through Views
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
Peter Buneman, Sanjeev Khanna, Wang Chiew Tan
SIGECOM
2010
ACM
219views ECommerce» more  SIGECOM 2010»
15 years 2 months ago
Revenue maximization with a single sample
We design and analyze approximately revenue-maximizing auctions in general single-parameter settings. Bidders have publicly observable attributes, and we assume that the valuation...
Peerapong Dhangwatnotai, Tim Roughgarden, Qiqi Yan