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https://issues.apache.org/jira/browse/LUCENE-1628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721061#action_12721061
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Mark Miller commented on LUCENE-1628:
-------------------------------------
Okay, fair enough. I figured you'd know better than me, just wanted to check.
Certainly if we have other code that way, no reason to change it here. And of
course it makes sense that you would still run into issues with the comments -
garbalage at best.
I only ever use apply to/from clipboard so I have luckily never seen that issue
:)
We should be good to put this in then - I'll wait till we get squared away with
the new token api patch then commit.
> Persian Analyzer
> ----------------
>
> Key: LUCENE-1628
> URL: https://issues.apache.org/jira/browse/LUCENE-1628
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/analyzers
> Reporter: Robert Muir
> Assignee: Mark Miller
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-1628.patch, LUCENE-1628.patch
>
>
> A simple persian analyzer.
> i measured trec scores with the benchmark package below against
> http://ece.ut.ac.ir/DBRG/Hamshahri/ :
> SimpleAnalyzer:
> SUMMARY
> Search Seconds: 0.012
> DocName Seconds: 0.020
> Num Points: 981.015
> Num Good Points: 33.738
> Max Good Points: 36.185
> Average Precision: 0.374
> MRR: 0.667
> Recall: 0.905
> Precision At 1: 0.585
> Precision At 2: 0.531
> Precision At 3: 0.513
> Precision At 4: 0.496
> Precision At 5: 0.486
> Precision At 6: 0.487
> Precision At 7: 0.479
> Precision At 8: 0.465
> Precision At 9: 0.458
> Precision At 10: 0.460
> Precision At 11: 0.453
> Precision At 12: 0.453
> Precision At 13: 0.445
> Precision At 14: 0.438
> Precision At 15: 0.438
> Precision At 16: 0.438
> Precision At 17: 0.429
> Precision At 18: 0.429
> Precision At 19: 0.419
> Precision At 20: 0.415
> PersianAnalyzer:
> SUMMARY
> Search Seconds: 0.004
> DocName Seconds: 0.011
> Num Points: 987.692
> Num Good Points: 36.123
> Max Good Points: 36.185
> Average Precision: 0.481
> MRR: 0.833
> Recall: 0.998
> Precision At 1: 0.754
> Precision At 2: 0.715
> Precision At 3: 0.646
> Precision At 4: 0.646
> Precision At 5: 0.631
> Precision At 6: 0.621
> Precision At 7: 0.593
> Precision At 8: 0.577
> Precision At 9: 0.573
> Precision At 10: 0.566
> Precision At 11: 0.572
> Precision At 12: 0.562
> Precision At 13: 0.554
> Precision At 14: 0.549
> Precision At 15: 0.542
> Precision At 16: 0.538
> Precision At 17: 0.533
> Precision At 18: 0.527
> Precision At 19: 0.525
> Precision At 20: 0.518
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