Github user kalmanchapman commented on the issue:
https://github.com/apache/flink/pull/2735
@kateri1 - I agree that seeking a solution with Flink's data structures is
valuable.
I also think that Flink-ML is in a unique position to implement
streaming-first, iterative implementations of this algorithm. They are fairly
novel on the web, but in theory have been implemented in [Gensim's
word2vec](https://github.com/RaRe-Technologies/gensim/pull/900).
Having an initial, offline implementation of word2vec in flink could be
considered as a foundation for an online word2vec that Flink would be in a
unique position to implement and be of great use to the community looking for a
scaling solution to this class of problem
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