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INFOCOM
2002
IEEE
13 years 11 months ago
Optimal on-line estimation of the size of a dynamic multicast group
Abstract—In this paper we propose an efficient on-line estimation algorithm for determining the size of a dynamic multicast group. By using diffusion approximation and Kalman ...
Sara Alouf, Eitan Altman, Philippe Nain
VLDB
1999
ACM
140views Database» more  VLDB 1999»
13 years 10 months ago
Combining Histograms and Parametric Curve Fitting for Feedback-Driven Query Result-size Estimation
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
Arnd Christian König, Gerhard Weikum