Rupert Westenthaler created STANBOL-1089:
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Summary: Provide Topic Engine SolrConfiguration that do us n-grams
Key: STANBOL-1089
URL: https://issues.apache.org/jira/browse/STANBOL-1089
Project: Stanbol
Issue Type: New Feature
Components: Enhancement Engines
Reporter: Rupert Westenthaler
Assignee: Rupert Westenthaler
With the Topic Classification Engine now supporting to configure different
SolrCore configurations we should provide a configuration that does use n-grams
for topic classification.
While this will not scale for very big classification schemes is should provide
improvements to small and medium sized models.
Indexing of n-grams will be based on the Solr ShingleFilterFactory [1].
The SolrCore configuration will be provided by the name
'shingle-topic-model.solrindex.zip' by the Topic ClassificationEngine bundle to
the DataFileProvider. This means that users will need to configure this name
with the 'org.apache.stanbol.enhancer.engine.topic.solrCoreConfig' of the
TopicClassificationEngine. This property was added by STANBOL-1087
[1]
http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#solr.ShingleFilterFactory
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