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From Tommaso Teofili <tommaso.teof...@gmail.com>
Subject Re: Solr now supports UIMA
Date Tue, 05 Apr 2011 08:50:23 GMT
2011/4/5 Jörn Kottmann <kottmann@gmail.com>
>
> If the analysis pipeline should be scaled with UIMA AS the Solrcas AE can
> be placed at the end of the pipeline to send the results to a Solr
> instance.
>
>
Right Jörn, Solrcas [1] is a UIMA CAS Consumer and it can be used just like
any other UIMA component within CPEs/UIMA-AS.

While Solrcas writes annotations to a separate Solr instance, the
integration inside Solr 3.1 instantiates an AnalysisEngine, creates the CAS,
executes the engine and maps annotations to Solr index from within Solr
itself so there are usecases when the latter is needed and one still wants
more scaling capabilities; for example in near real time indexing then
usually one wants to handle the whole indexing process from within Solr (so
having CPEs/UIMA-AS support could be nice).

Depending on the usecase one may want to use Solrcas or the Solr-UIMA
integration inside Solr 3.1.

Cheers,
Tommaso

[1] : http://uima.apache.org/sandbox.html#solrcas.consumer

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