Joel Bernstein created SOLR-9403:
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Summary: Add classify() function query for use with re-ranking
Key: SOLR-9403
URL: https://issues.apache.org/jira/browse/SOLR-9403
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Joel Bernstein
Now that SOLR-9252 is committed it would be useful to deploy a classifier
during re-ranking.
The classify function query will retrieve a model from a SolrCloud collection
and run the model on documents. The function will return the score from the
model. When used with the re-ranker this will re-rank the top N documents by
the score from the model.
The classify function can be used with the re-ranker using the function qparser
plugin.
The suggested syntax:
rq={!rerank reRankQuery=$rqq reRankDocs=20}&rqq={!func}classify(collection,
modelID, textField)
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