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https://issues.apache.org/jira/browse/SOLR-11386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16176417#comment-16176417
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Alessandro Benedetti commented on SOLR-11386:
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I think this has nothing to do with the LTR plugin.
The problem here should be just the way you use the local params,
to properly pass multi term local params in Solr you need to use ' :
efi.case_description='added couple of fiber channel'
This should work.
If not only the first term will be passed as a local param and then passed in
the efi map to LTR.
The same should apply to the request parameter I guess.
> Extracting learning to rank features fails when word ordering of EFI argument
> changed.
> --------------------------------------------------------------------------------------
>
> Key: SOLR-11386
> URL: https://issues.apache.org/jira/browse/SOLR-11386
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: contrib - LTR
> Affects Versions: 6.5.1
> Reporter: Michael A. Alcorn
>
> I'm getting some extremely strange behavior when trying to extract features
> for a learning to rank model. The following query incorrectly says all
> features have zero values:
> {code}
> http://gss-test-fusion.usersys.redhat.com:8983/solr/access/query?q=added
> couple of fiber channel&rq={!ltr model=redhat_efi_model reRankDocs=1
> efi.case_summary=the efi.case_description=added couple of fiber channel
> efi.case_issue=the efi.case_environment=the}&fl=id,score,[features]&rows=10
> {code}
> But this query, which simply moves the word "added" from the front of the
> provided text to the back, properly fills in the feature values:
> {code}
> http://gss-test-fusion.usersys.redhat.com:8983/solr/access/query?q=couple of
> fiber channel added&rq={!ltr model=redhat_efi_model reRankDocs=1
> efi.case_summary=the efi.case_description=couple of fiber channel added
> efi.case_issue=the efi.case_environment=the}&fl=id,score,[features]&rows=10
> {code}
> The explain output for the failing query can be found here:
> https://gist.github.com/manisnesan/18a8f1804f29b1b62ebfae1211f38cc4
> and the explain output for the properly functioning query can be found here:
> https://gist.github.com/manisnesan/47685a561605e2229434b38aed11cc65
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