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https://issues.apache.org/jira/browse/MAHOUT-1156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dan Filimon updated MAHOUT-1156:
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Description:
Adding the Searcher, UpdatableSearcher abstract classes defining what a
nearest-neighbor searcher does.
The following implementation are available:
- BruteSearch
- ProjectionSearch
- FastProjectionSearch
- LocalitySensityHashSearch
This is part of https://issues.apache.org/jira/browse/MAHOUT-1154
There is a SearchQualityTest that tests the results for overlap with
BruteSearch results.
However, the results are highly variable between runs and I haven't added any
assertions yet.
I'll try fixing a test seed (RandomUtils.useTestSeed()) and see how that helps
(but I have yet to try that version of the test).
was:
Adding the Searcher, UpdatableSearcher abstract classes defining what a
nearest-neighbor searcher does.
The following implementation are available:
- BruteSearch
- ProjectionSearch
- FastProjectionSearch
- LocalitySensityHashSearch
This is part of https://issues.apache.org/jira/browse/MAHOUT-1154
> Adding nearest neighbor Searchers
> ---------------------------------
>
> Key: MAHOUT-1156
> URL: https://issues.apache.org/jira/browse/MAHOUT-1156
> Project: Mahout
> Issue Type: New Feature
> Components: Clustering
> Affects Versions: 0.8
> Reporter: Dan Filimon
> Attachments: MAHOUT_1156.patch, MAHOUT_1156_tests.patch
>
>
> Adding the Searcher, UpdatableSearcher abstract classes defining what a
> nearest-neighbor searcher does.
> The following implementation are available:
> - BruteSearch
> - ProjectionSearch
> - FastProjectionSearch
> - LocalitySensityHashSearch
> This is part of https://issues.apache.org/jira/browse/MAHOUT-1154
> There is a SearchQualityTest that tests the results for overlap with
> BruteSearch results.
> However, the results are highly variable between runs and I haven't added any
> assertions yet.
> I'll try fixing a test seed (RandomUtils.useTestSeed()) and see how that
> helps (but I have yet to try that version of the test).
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