[Zope-Annce] [ANN] TextIndexNG 3.1.0 released

Andreas Jung lists at andreas-jung.com
Sun Nov 6 09:46:20 EST 2005


I am pleased to announce the release of TextIndexNG V 3.1.0.

TextIndexNG V 3 is a complete new implementation based on Zope 3 
technologies and can be used both in Zope 2.8 or in Zope 3.

What's new?

 - multi-field indexing and query support

 - multi-lingual support

 - configurable converters (through ZCML)

 - new indexing API (allowing you to hook your custom content types with
   TextIndexNG through Zope 3 adapters).

Changes in V 3.1.0:

   - added relevance ranking based on the cosine-measure

   - new query options 'ranking' and 'ranking_maxhits' (see doc/README.txt
     for details)

   - Plone integration: created TextIndexNG3 instance are now created to
     support relevance ranking out-of-the-box. The TextIndexNG3 configlet
     inside the Plone configuration now allows you to re-create TextIndexNG3
     instances without touching the ZMI.

   - Plone integration: better support for indexing binary content stored as
     ATFile instances
     through providing a direct Zope 3 adapter implementation (see adapters/
     This should dramatically improve the indexing result compared to using 


   - Plone integration: all Plone content-types are now being indexed with
     TextIndexNG3 out-of-the-box by the provided adapter.

   - Bugfix: indexing binary content no longer raises a ComponentLookupError
     if a corresponding converter could not be found

   - lots of minor fixes


  - Zope 2.8+, Zope 3.1+



Project page:


For installation and documentation issues refer to doc/README.txt from the 
archive. It's basically the same procedure as with former versions except 
you *need* to recompile the extension modules. Windows binaries of the 
required extension modules are currently not available (any volunteers?).

TextIndexNG V 3 is published under the ZPL.

Andreas Jung

   -   Andreas Jung            ZOPYX Software Development and Consulting -
  -   E-mail: info at zopyx.com   Web: www.zopyx.com                       -

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