need the ability to also sort SpellCheck results by freq, instead of just by
Edit Distance+freq
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Key: LUCENE-2479
URL: https://issues.apache.org/jira/browse/LUCENE-2479
Project: Lucene - Java
Issue Type: Improvement
Components: contrib/spellchecker
Environment: all
Reporter: Gerald DeConto
This issue was first noticed and reported in this Solr thread;
http://lucene.472066.n3.nabble.com/spellcheck-issues-td489776.html#a489788
Basically, there are situations where it would be useful to sort by freq first,
instead of the current "sort by edit distance, and then subsort by freq if edit
distance is equal"
The author of the thread suggested "What I think would work even better than
allowing a custom compareTo function would be to incorporate the frequency
directly into the distance function. This would allow for greater control over
the trade-off between frequency and edit distance"
However, custom compareTo functions are not always be possible (ie if a certain
version of Lucene must be used, because it was release with Solr) and
incorporating freq directly into the distance function may be overkill (ie
depending on the implementation)
it is suggested that we have a simple modification of the existing compareTo
function in Lucene to allow users to specify if they want the existing sort
method or if they want to sort by freq.
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