[NRG] Notification: NRG Meeting: Cuckoo Filter: Practically Better Than Bloom... @ Mon Feb 23, 2015 11am - 12pm (NRG at BU)
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Title: NRG Meeting: Cuckoo Filter: Practically Better Than Bloom (Qiaobin
Presenter: Qiaobin Fu
Title: Cuckoo Filter: Practically Better Than Bloom
Author: Bin Fan, David G. Andersen, Michael Kaminsky, Michael D.
In many networking systems, Bloom filters are used for high-speed set
membership tests. They permit a small fraction of false positive answers
with very good space efficiency. However, they do not permit deletion of
items from the set, and previous attempts to extend "standard" Bloom
filters to support deletion all degrade either space or performance.
We propose a new data structure called the cuckoo filter that can replace
Bloom filters for approximate set membership tests. Cuckoo filters support
adding and removing items dynamically while achieving even higher
performance than Bloom filters. For applications that store many items and
target moderately low false positive rates, cuckoo filters have lower space
overhead than space-optimized Bloom filters. Our experimental results also
show that cuckoo filters outperform previous data structures that extend
Bloom filters to support deletions substantially in both time and space.
Note: This is a paper from CoNext 2014, and can be found at
When: Mon Feb 23, 2015 11am - 12pm Eastern Time
Calendar: NRG at BU
* Yuefeng Wang - creator
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