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https://issues.apache.org/jira/browse/LUCENE-5317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218401#comment-14218401
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Tim Allison commented on LUCENE-5317:
-------------------------------------
Great. Thank you. I just tried svn diff from the svn checkout that I had
patched with the correct git diff...with no luck. I hadn't even svn-added the
concordance directory, so the diff file was quite short.
Are you using rbtools or have you had luck with the web interface?
And success with installing rbtools:
{noformat}
Searching for RBTools
Reading https://pypi.python.org/simple/RBTools/
Download error on https://pypi.python.org/simple/RBTools/: [Errno 10061] No conn
ection could be made because the target machine actively refused it -- Some pack
ages may not be found!
Couldn't find index page for 'RBTools' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.python.org/simple/
Download error on https://pypi.python.org/simple/: [Errno 10061] No connection c
ould be made because the target machine actively refused it -- Some packages may
not be found!
No local packages or download links found for RBTools
error: Could not find suitable distribution for Requirement.parse('RBTools')
{noformat}
> [PATCH] Concordance capability
> ------------------------------
>
> Key: LUCENE-5317
> URL: https://issues.apache.org/jira/browse/LUCENE-5317
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/search
> Affects Versions: 4.5
> Reporter: Tim Allison
> Labels: patch
> Fix For: 4.9
>
> Attachments: LUCENE-5317.patch, LUCENE-5317.patch,
> concordance_v1.patch.gz, lucene5317v1.patch, lucene5317v2.patch
>
>
> This patch enables a Lucene-powered concordance search capability.
> Concordances are extremely useful for linguists, lawyers and other analysts
> performing analytic search vs. traditional snippeting/document retrieval
> tasks. By "analytic search," I mean that the user wants to browse every time
> a term appears (or at least the topn) in a subset of documents and see the
> words before and after.
> Concordance technology is far simpler and less interesting than IR relevance
> models/methods, but it can be extremely useful for some use cases.
> Traditional concordance sort orders are available (sort on words before the
> target, words after, target then words before and target then words after).
> Under the hood, this is running SpanQuery's getSpans() and reanalyzing to
> obtain character offsets. There is plenty of room for optimizations and
> refactoring.
> Many thanks to my colleague, Jason Robinson, for input on the design of this
> patch.
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