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https://issues.apache.org/jira/browse/FLINK-5936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann updated FLINK-5936:
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Priority: Minor (was: Major)
> Can't pass keyed vectors to KNN join algorithm
> ------------------------------------------------
>
> Key: FLINK-5936
> URL: https://issues.apache.org/jira/browse/FLINK-5936
> Project: Flink
> Issue Type: Improvement
> Components: Machine Learning Library
> Affects Versions: 1.1.3
> Reporter: Alex DeCastro
> Priority: Minor
>
> Hi there,
> I noticed that for Scala 2.10/Flink 1.1.3 there's no way to recover keys from
> the predict method of KNN join even if the Vector (FlinkVector) class gets
> extended to allow for keys.
> If I create a class say, SparseVectorsWithKeys the predict method will return
> SparseVectors only. Any workarounds here?
> Would it be possible to either extend the Vector class or the ML models to
> consume and output keyed vectors? This is very important to NLP and pretty
> much a lot of ML pipeline debugging -- including logging.
> Thanks a lot
> Alex
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