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From Jörn Kottmann <kottm...@gmail.com>
Subject Re: OpenNLP 1.5.1 Release Candidate 7
Date Tue, 26 Apr 2011 09:02:37 GMT
I tested the perceptron changes with the POS Tagger on the
WSJ corpus (without tag dict), the accuracy improved from 91%
(1.5.1-rc2, 1.5.0 has a bug which prevents perceptron training) to 95%.
I also tested on the dutch alpino dataset, but the accuracy was 
identical there.

Jörn

On 4/26/11 9:44 AM, Jörn Kottmann wrote:
> Hello,
>
> our next and hopefully last RC is ready for testing, compared to RC 6 
> it fixes:
> OPENNLP-154 normalization in perceptron
> OPENNLP-155 unreliable training set accuracy in perceptron
> OPENNLP-156 improve command line apps (ModelTrainer and ModelApplier) 
> for maxent
>
> It can be found here:
> http://people.apache.org/~joern/releases/opennlp-1.5.1-incubating/rc7/
>
> Testing is now more or less done, but the test plan should be extended
> to document the perceptron improvements compared to RC 6.
>
> Here is the link to the test plan:
> https://cwiki.apache.org/confluence/display/OPENNLP/TestPlan1.5.1
>
> Jörn


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