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From Apache Wiki <>
Subject [Solr Wiki] Update of "SolrRelevancyFAQ" by HossMan
Date Thu, 13 Dec 2012 18:04:56 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The "SolrRelevancyFAQ" page has been changed by HossMan:

  These functions can also operate on an [[|ExternalFileField]]
  == How are documents scored ==
- Basic scoring factors:
+ By default, a "TF-IDF" based Scoring Model is used.  The basic scoring factors:
   * tf stands for term frequency - the more times a search term appears in a document, the
higher the score
   * idf stands for inverse document frequency - matches on rarer terms count more than matches
on common terms
@@ -128, +129 @@

   * index-time boost - if a boost was specified for a document at index time, scores for
searches that match that document will be boosted.
   * query clause boost - a user may explicitly boost the contribution of one part of a query
over another.
- See the [[|Lucene
scoring documentation]] for more info.
+ See the [[|Lucene
scoring documentation]] for more info.
  == Why does id:archangel come before id:hawkgirl when querying for "wings" ==
  Add '''debugQuery=on''' to your request, and you will get (fairly dense) detailed scoring
information for each document returned.

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