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implement BILOU chunking scheme #311

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
The BILOU chunking scheme (Beginning, Inside and Last tokens of multi-token 
chunks, Unit-length chunks and Outside) outperform BIO:

Lev Ratinov and Dan Roth. 2009. Design challenges and misconceptions in named 
entity recognition. In Proceedings of the Thirteenth Conference on 
Computational Natural Language Learning (CoNLL '09). Association for 
Computational Linguistics, Stroudsburg, PA, USA, 147-155.

We should implement BILOU in the new org.cleartk.classifier.chunking package.

Original issue reported on code.google.com by steven.b...@gmail.com on 25 Jun 2012 at 9:34

GoogleCodeExporter commented 9 years ago

Original comment by steven.b...@gmail.com on 24 Jul 2012 at 5:29

GoogleCodeExporter commented 9 years ago

Original comment by lee.becker on 17 Feb 2013 at 5:58

GoogleCodeExporter commented 9 years ago 
Since I wanted to experiment with it, here is a patch.

Original comment by alexey.v...@gmail.com on 1 Apr 2013 at 10:36

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GoogleCodeExporter commented 9 years ago

Original comment by steven.b...@gmail.com on 3 May 2013 at 8:44

GoogleCodeExporter commented 9 years ago

Original comment by steven.b...@gmail.com on 24 Oct 2013 at 8:09

GoogleCodeExporter commented 9 years ago 
This issue was closed by revision 8a46b95bbe0f.

Original comment by steven.b...@gmail.com on 30 Oct 2013 at 8:59