From 0abd5bd3c0e38e352e9ba38268e04e1c858ab01e Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Thu, 15 Jul 2021 00:45:15 -0400
Subject: Re-named "spec" hierarchy to "specification".

---
 documentation/bookmark/probabilistic_data_structure.md | 1 +
 1 file changed, 1 insertion(+)

(limited to 'documentation/bookmark/probabilistic_data_structure.md')

diff --git a/documentation/bookmark/probabilistic_data_structure.md b/documentation/bookmark/probabilistic_data_structure.md
index 0e1fe5986..10529136d 100644
--- a/documentation/bookmark/probabilistic_data_structure.md
+++ b/documentation/bookmark/probabilistic_data_structure.md
@@ -5,6 +5,7 @@
 
 # Reference
 
+1. [Ribbon filter: practically smaller than Bloom and Xor](https://arxiv.org/abs/2103.02515)
 1. [Teaching Bloom Filters new tricks](https://toao.com/blog/teaching-bloom-filters-new-tricks)
 1. [Xor Filters: Faster and Smaller Than Bloom Filters](https://lemire.me/blog/2019/12/19/xor-filters-faster-and-smaller-than-bloom-filters/)
 1. [Morton Filters: Faster, Space-Efficient Cuckoo Filters via Biasing, Compression, and Decoupled Logical Sparsity](http://www.vldb.org/pvldb/vol11/p1041-breslow.pdf)
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