[jira] [Created] (STANBOL-1128) Implement a Lucene FST based Entity Linking Engine (based on OpenSextant / SolrTextTagger)

["Rupert Westenthaler (JIRA)" <ji...@apache.org>]

Rupert Westenthaler created STANBOL-1128:
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             Summary: Implement a Lucene FST based Entity Linking Engine (based on OpenSextant / SolrTextTagger)
                 Key: STANBOL-1128
                 URL: https://issues.apache.org/jira/browse/STANBOL-1128
             Project: Stanbol
          Issue Type: New Feature
          Components: Enhancement Engines
            Reporter: Rupert Westenthaler
            Assignee: Rupert Westenthaler


This will implement an in-memory EntityLinking EnhancementEngine based on Lucenes FST (Finite State Transducer) technology.

This engine could make direct use of the Classes contained in the OpenSextant / SolrTextTagger code [1]. This uses a two layered FST 

    (1) to represent words and 
    (2) to map those words to phrases

With this it is possible to efficiently hold big vocabularies in memory (> 300MByte for geonames.org). See the presentation at [2] for more details.

While the license is fully compatible (ASL 2.0) the library is currently not available on Maven Central. We need to contact the author regarding this.


[1] https://github.com/OpenSextant/SolrTextTagger
[2] http://www.lucenerevolution.org/2013/Text-Tagging-with-Finite-State-Transducers

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