Weighted random sampling with a reservoir

  • Authors:
  • Pavlos S. Efraimidis;Paul G. Spirakis

  • Affiliations:
  • Department of Electrical and Computer Engineering, Democritus University of Thrace, 67100 Xanthi, Greece;Computer Technology Institute, Riga Feraiou 61, 26221 Patras, Greece

  • Venue:
  • Information Processing Letters
  • Year:
  • 2006

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Abstract

In this work, a new algorithm for drawing a weighted random sample of size m from a population of n weighted items, where m=