Hi all,
I've been using BloomFilters for various tasks, and I can't shake the
feeling that they could be of some use in Lucene internals, to speed up
various membership tests, especially if we look for 100% correct
negatives, and we can accept a small rate of false positives.
For example,
Andrzej Bialecki wrote:
Funny, I was having vague thoughts about this today too having been
concerned about some of the big arrays that can end up in a typical
Lucene app. Aside from providing space-efiicient lookups, another
application for BloomFilters is in similarity measures e.g. ANDing
markharw00d wrote:
Andrzej Bialecki wrote:
Funny, I was having vague thoughts about this today too having been
concerned about some of the big arrays that can end up in a typical
Lucene app. Aside from providing space-efiicient lookups, another
application for BloomFilters is in similarity
.
-Original Message-
From: Andrzej Bialecki a...@getopt.org
Date: Fri, 30 Jan 2009 21:42:13
To: java-dev@lucene.apache.org
Subject: Re: BloomFilter-s with Lucene
markharw00d wrote:
Andrzej Bialecki wrote:
Funny, I was having vague thoughts about this today too having been
concerned
array
access, if positive do full work with hige switch statement.
- Original Message
From: Andrzej Bialecki a...@getopt.org
To: java-dev@lucene.apache.org
Sent: Friday, 30 January, 2009 21:42:13
Subject: Re: BloomFilter-s with Lucene
markharw00d wrote:
Andrzej Bialecki
On Fri, 30 Jan 2009, eks dev wrote:
I have used them for speeding up huge switch clauses in charset
normalization (eg lowercase and accent-plain form mapping). Big number of
accented characters (this causes big switch statement) that appear seldom
in corpus (big majority being not accented).
...@osafoundation.org
To: java-dev@lucene.apache.org
Sent: Friday, 30 January, 2009 23:02:15
Subject: Re: BloomFilter-s with Lucene
On Fri, 30 Jan 2009, eks dev wrote:
I have used them for speeding up huge switch clauses in charset
normalization
(eg lowercase and accent-plain form mapping). Big
