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https://issues.apache.org/jira/browse/LUCENE-3320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17294647#comment-17294647
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Michael McCandless commented on LUCENE-3320:
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[~tomoko] yeah +1 to start exploring this, now that "first class positions
iterators" (LUCENE-2878) has landed, long ago!
Here is another paper that explores how one might fold positions into BM25
through "virtual regions" that are field-like:
[https://www.dc.fi.udc.es/~roi/publications/sigir2012a.pdf]
Not sure how it compares to the above paper!
> Explore Proximity Scoring
> --------------------------
>
> Key: LUCENE-3320
> URL: https://issues.apache.org/jira/browse/LUCENE-3320
> Project: Lucene - Core
> Issue Type: Sub-task
> Components: core/search
> Affects Versions: Positions Branch
> Reporter: Simon Willnauer
> Priority: Major
> Fix For: Positions Branch
>
>
> Positions will be first class citizens rather sooner than later. We should
> explore proximity scoring possibilities as well as collection / scoring
> algorithms like proposed on LUCENE-2878 (2 phase collection)
> This paper might provide some basis for actual scoring implementation:
> http://plg.uwaterloo.ca/~claclark/sigir2006_term_proximity.pdf
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