[ http://issues.apache.org/jira/browse/LUCENE-736?page=all ]
Doron Cohen updated LUCENE-736:
-------------------------------
Attachment: sloppy_phrase_tests.patch.txt
sloppy_phrase_tests.patch.txt contains:
- two test cases added in TestPhraseQuery.
These new tests currently fail.
- skipTo() behavior tests that were originaly in issue 697.
This too currently fails.
> Sloppy Phrase Scoring Misbehavior
> ---------------------------------
>
> Key: LUCENE-736
> URL: http://issues.apache.org/jira/browse/LUCENE-736
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Reporter: Doron Cohen
> Assigned To: Doron Cohen
> Priority: Minor
> Attachments: sloppy_phrase_tests.patch.txt
>
>
> This is an extension of https://issues.apache.org/jira/browse/LUCENE-697
> In addition to abnormalities Yonik pointed out in 697, there seem to be other
> issues with slopy phrase search and scoring.
> 1) A phrase with a repeated word would be detected in a document although it
> is not there.
> I.e. document = A B D C E , query = "B C B" would not find this document (as
> expected), but query "B C B"~2 would find it.
> I think that no matter how large the slop is, this document should not be a
> match.
> 2) A document containing both orders of a query, symmetrically, would score
> differently for the queru and for its reveresed form.
> I.e. document = A B C B A would score differently for queries "B C"~2 and "C
> B"~2, although it is symmetric to both.
> I will attach test cases that show both these problems and the one reported
> by Yonik in 697.
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