Github user thvasilo commented on the issue:
https://github.com/apache/flink/pull/2542
Thank you @jfeher!
Could you clarify what you mean by filtering the data to get unique
item-user pairs? Is this because the iALS algorithm only supports binary
interactions (i.e. number of interactions does not play a role)?
Any idea how these runtime numbers compare to alternative implementations
(Spark, [Cython](https://github.com/benfred/implicit))?
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