Automatic key extraction
OpenKM uses KEA for extracting keyphrases from text documents. KEA it by default can be either used for free indexing or for indexing with a controlled vocabulary, but with OpenKM is mandatory having a controled vocabulary.
If order having KEA running in OpenKM must be a well done configured vocabulary (Thesaurus).
KEA is a training module that uses a Thesaurus as the controller vocabulary. In order how to configure OpenKM Thesaurus take a look at Thesaurus in installation guide.
To creating KEA model must checkout openkm and thesaurus modules:
Select the svn type and type the url https://openkm.svn.sourceforge.net/svnroot/openkm/trunk/openkm to refer openkm:
Select the svn type and type the url https://openkm.svn.sourceforge.net/svnroot/openkm/trunk/thesausus to refer thesaurus:
In KEA web page could downloading file that comes with some example how to creating KEA model. In similar way using class ModelBuilder in thesaurus modules must be created the KEA model based in some vocabulary controller ( Thesaurus ).
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