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From "Grant Ingersoll (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-2129) Provide a Solr module for dynamic metadata extraction/indexing with Apache UIMA
Date Tue, 26 Oct 2010 18:06:21 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925068#action_12925068
] 

Grant Ingersoll commented on SOLR-2129:
---------------------------------------

bq. I can change the current hardcoded mapping mechanism using instead a simple mapping between
UIMA extracted types/features and field names defined inside solrconfig.xml

Try to reuse the same syntax as the mapping in the ExtractingRequestHandler.

bq. A different option could be to develop a SolrCASConsumer component in UIMA (similar to
Lucas [1], Lucene CAS Consumer) providing full control on how UIMA annotations and features
can be mapped to Solr fields, but on UIMA side 

I've been struggling with these kinds of questions a lot lately.  That is, the marriage of
two projects.  Where should the code go?  Setting up another ASF project is a pain in the
amount of hoops to jump through.  Apache Labs doesn't cut it for a number of reasons.  Hosting
on Github or Google Code is OK, but loses the ASF community aspect.  Sigh.

bq. Regarding point 2 the jars are already under contrib/uima/lib so I can modify the sample
solrconfig.xml adding the proper <lib> tag.

Yep, exactly what I had in mind.

> Provide a Solr module for dynamic metadata extraction/indexing with Apache UIMA
> -------------------------------------------------------------------------------
>
>                 Key: SOLR-2129
>                 URL: https://issues.apache.org/jira/browse/SOLR-2129
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Tommaso Teofili
>            Assignee: Robert Muir
>         Attachments: lib-jars.zip, SOLR-2129-asf-headers.patch, SOLR-2129.patch
>
>
> Provide components to enable Apache UIMA automatic metadata extraction to be exploited
when indexing documents.
> The purpose of this is to get unstructured information "inside" a document and create
structured metadata (as fields) to enrich each document.
> Basically this can be done with a custom UpdateRequestProcessor which triggers UIMA while
indexing documents.
> The basic UIMA implementation of UpdateRequestProcessor extracts sentences (with a tokenizer
and an hidden Markov model tagger), named entities, language, suggested category, keywords
and concepts (exploiting external services from OpenCalais and AlchemyAPI). Such an implementation
can be easily extended adding or selecting different UIMA analysis engines, both from UIMA
repositories on the web or creating new ones from scratch.

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