The deletable bloom filter: a new member of the bloom family

  • Authors:
  • Christian Esteve Rothenberg;Carlos A. B. Macapuna;Fábio L. Verdi;Maurício F. Magalhães

  • Affiliations:
  • University of Campinas, Brazil;University of Campinas, Brazil;Federal University of São Carlos, Brazil;University of Campinas, Brazil

  • Venue:
  • IEEE Communications Letters
  • Year:
  • 2010

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Abstract

We introduce the Deletable Bloom filter (DlBF) as a new spin on the popular data structure based on compactly encoding the information of where collisions happen when inserting elements. The DlBF design enables false-negative-free deletions at a fraction of the cost in memory consumption, which turns to be appealing for certain probabilistic filter applications.