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Posted to issues@opennlp.apache.org by "Joern Kottmann (JIRA)" <ji...@apache.org> on 2015/01/20 21:40:35 UTC

[jira] [Updated] (OPENNLP-714) NameFinder Brown Clustering Features

     [ https://issues.apache.org/jira/browse/OPENNLP-714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joern Kottmann updated OPENNLP-714:
-----------------------------------
    Fix Version/s:     (was: 1.6.0)
                   1.6.1

> NameFinder Brown Clustering Features
> ------------------------------------
>
>                 Key: OPENNLP-714
>                 URL: https://issues.apache.org/jira/browse/OPENNLP-714
>             Project: OpenNLP
>          Issue Type: New Feature
>          Components: Name Finder
>    Affects Versions: 1.6.0
>            Reporter: Rodrigo Agerri
>            Assignee: Rodrigo Agerri
>            Priority: Minor
>             Fix For: 1.6.1
>
>
> Adding brown clustering features. These features have shown to provide very good results (Ratinov and Roth 2009, Turian et al 2010). The hierarchical clusters can be created with https://github.com/percyliang/brown-cluster tool. 
> The Brown features duplicate each active token feature by each of the paths in the class we extract as features from the clusters. 



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