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The "SolrRelevancyFAQ" page has been changed by HossMan: http://wiki.apache.org/solr/SolrRelevancyFAQ?action=diff&rev1=26&rev2=27 These functions can also operate on an [[http://lucene.apache.org/solr/api/org/apache/solr/schema/ExternalFileField.html|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 [[http://lucene.apache.org/core/old_versioned_docs/versions/3_5_0/scoring.html|Lucene scoring documentation]] for more info. + See the [[https://lucene.apache.org/core/4_0_0/core/org/apache/lucene/search/similarities/TFIDFSimilarity.html|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.
