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  1. Solr
  2. SOLR-2058

Adds optional "phrase slop" to edismax "pf2", "pf3" and "pf" parameters with field~slop^boost syntax

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 4.0-ALPHA
    • Component/s: query parsers
    • Labels:
      None
    • Environment:

      n/a

      Description

      http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3C4C659119.2010007@0ape.com%3E

      From Ron Mayer <r...@0ape.com>
      ... my results might be even better if I had a couple different "pf2"s with different "ps"'s at the same time. In particular. One with ps=0 to put a high boost on ones the have the right ordering of words. For example insuring that [the query]:
      "red hat black jacket"
      boosts only documents with "red hats" and not "black hats". And another pf2 with a more modest boost with ps=5 or so to handle the query above also boosting docs with
      "red baseball hat".

      http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3CAANLkTimd+V3g6d_MnHP+JYkKd+dej8FVMvF_1LQoiLBU@mail.gmail.com%3E

      From Yonik Seeley <yo...@lucidimagination.com>
      Perhaps fold it into the pf/pf2 syntax?

      pf=text^2 // current syntax... makes phrases with a boost of 2
      pf=text~1^2 // proposed syntax... makes phrases with a slop of 1 and
      a boost of 2

      That actually seems pretty natural given the lucene query syntax - an
      actual boosted sloppy phrase query already looks like
      text:"foo bar"~1^2

      -Yonik

      http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3Calpine.DEB.1.10.1008161300510.6335@radix.cryptio.net%3E

      From Chris Hostetter <hossman_luc...@fucit.org>

      Big +1 to this idea ... the existing "ps" param can stick arround as the
      default for any field that doesn't specify it's own slop in the pf/pf2/pf3
      fields using the "~" syntax.

      -Hoss

        Attachments

        1. pf2_with_slop.patch
          6 kB
          Ron Mayer
        2. edismax_pf_with_slop_v2.patch
          8 kB
          Ron Mayer
        3. edismax_pf_with_slop_v2.1.patch
          7 kB
          Ron Mayer
        4. SOLR-2058.patch
          10 kB
          James Dyer
        5. SOLR-2058-and-3351-not-finished.patch
          82 kB
          Jan Høydahl

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              • Assignee:
                jdyer James Dyer
                Reporter:
                ramayer Ron Mayer
              • Votes:
                4 Vote for this issue
                Watchers:
                13 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: