: Not really. The percentage given in other search packages is fairly : bogus. You have to do a global batch analysis of all of the index to : get a true scale for relevance.
Exactly... https://wiki.apache.org/solr/FAQ#Why_Aren.27t_Scores_returned_as_a_percentage.3F_How_Do_I_normalize_Scores.3F https://wiki.apache.org/lucene-java/ScoresAsPercentages *you* -- as the person in control of your solr instance, who kows everything about every document in the index, and has total control over the set of valid queries being executed against the index -- you *MAY* be able to compute a meaningful "threshold" of scores, based on the constraints you know/enforce. But Solr can't do this, because in general Solr doesn't know those constraints (or if those constraints even exist) for an arbitrary index. -Hoss