Joel Bernstein created SOLR-16990:
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Summary: Upack raw cosineSim and dotProduct in reRanker
Key: SOLR-16990
URL: https://issues.apache.org/jira/browse/SOLR-16990
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Components: reranker
Reporter: Joel Bernstein
Currently the Lucene vector scores are scaled to avoid negative values. There
are times when it is preferred to provide the unscaled vectors with "clamping"
to avoid negative scores. The clamping will simply set a floor for the vector
score so it does not go below zero.
Two parameters will be added to the reRanker to support unpacking and clamping
the raw scores.
reRankMainRV=<float floor> : This will unpack the main query vector score and
clamp at the specified value.
reRankRV=<float floor> : This will do the same for the reRankVector vector.
The RV stands for "raw vector" score.
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