Changing Bits

Sunday, October 25, 2015

Where are my new blog posts?

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Some of you have noticed that I'm not writing much in this blog lately. But fear not: exciting changes are still happening in Lucene , ...
Monday, November 17, 2014

Apache Lucene™ 5.0.0 is coming!

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At long last, after a strong series of 4.x feature releases, most recently 4.10.2 , we are finally working towards another major Apache Luce...
8 comments:
Saturday, August 30, 2014

Scoring tennis using finite-state automata

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For some reason having to do with the medieval French , the scoring system for tennis is very strange . In actuality, the game is easy to...
7 comments:
Sunday, August 3, 2014

A new proximity query for Lucene, using automatons

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The simplest Apache Lucene query, TermQuery , matches any document that contains the specified term, regardless of where the term occurs i...
7 comments:
Monday, May 12, 2014

Choosing a fast unique identifier (UUID) for Lucene

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Most search applications using Apache Lucene assign a unique id, or primary key, to each indexed document. While Lucene itself does not...
21 comments:
Friday, April 11, 2014

Testing Lucene's index durability after crash or power loss

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One of Lucene's useful transactional features is index durability which ensures that, once you successfully call IndexWriter.commit , ...
2 comments:
Wednesday, March 5, 2014

Using Lucene's search server to search Jira issues

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You may remember my first blog post describing how the Lucene developers eat our own dog food by using a Lucene search application to find ...
2 comments:
Thursday, January 23, 2014

Finding long tail suggestions using Lucene's new FreeTextSuggester

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Lucene's suggest module offers a number of fun auto-suggest implementations to give a user live search suggestions as they type each ch...
7 comments:
Wednesday, January 8, 2014

Geospatial (distance) faceting using Lucene's dynamic range facets

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There have been several recent, quiet improvements to Lucene that, taken together, have made it surprisingly simple to add geospatial distan...
15 comments:
Thursday, December 12, 2013

Fast range faceting using segment trees and the Java ASM library

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In Lucene's facet module we recently added support for dynamic range faceting , to show how many hits match each of a dynamic set of ran...
8 comments:
Friday, November 29, 2013

Pulling H264 video from an IP camera using Python

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IP cameras have come a long ways, and recently I upgraded some old cameras to these new Lorex cameras (model LNB2151/LNB2153) and I'm v...
74 comments:
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Michael McCandless
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