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https://issues.apache.org/jira/browse/LUCENE-3013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-3013:
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Labels: gsoc2012 lucene-gsoc-12 (was: )
> I wish Lucene query explanations were easier to localise
> --------------------------------------------------------
>
> Key: LUCENE-3013
> URL: https://issues.apache.org/jira/browse/LUCENE-3013
> Project: Lucene - Java
> Issue Type: Wish
> Components: core/query/scoring
> Reporter: Trejkaz
> Labels: gsoc2012, lucene-gsoc-12
>
> Often users ask us to provide a nice UI to explain why a document matched
> their query. Currently the strings output by Explanation are very advanced,
> and probably only understandable to those who have worked on Lucene. I took
> a shot at trying to make them friendlier, but it basically came down to
> parsing the strings it output and trying to figure out what kind of query was
> at each point (the inability to get to a Query from the Explanation is a
> small part of the problem here), formulating the result into readable
> English. In the end it seems a bit too hard.
> The solution to this could be done in at least two ways:
> 1. Add getLocalizedSummary() / getLocalizedDescription() method(s) and use
> resource bundles internally. Projects wishing to localise these could add
> their own resource bundles to the classpath and/or get them contributed to
> Lucene.
> 2. Add subclasses of Explanation with enough methods for callers to
> interrogate the individual details of the explanation instead of outputting
> it as a monolithic string.
> I do like the tree structure of explanations a lot (as it resembles the query
> tree), I just think there is work to be done splitting up the strings into
> usable fragments of information.
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