Github user vasia commented on the pull request:
https://github.com/apache/flink/pull/892#issuecomment-120319905
Hi @shghatge!
I agree, let's deal with the approximate version as a separate issue. In
the end though, it would be nice to have a single library method and an input
parameter to decide whether the computation should be exact or approximate.
Regarding the bloom filter, the idea is for each vertex to build a bloom
filter with its neighbors and "send" it to its neighbors. Then, each vertex can
compare its own neighborhood (the exact one) with the received bloom filter
neighborhoods. Take a look at how approximate Jaccard is computed in the okapi
library
[here](https://github.com/grafos-ml/okapi/blob/master/src/main/java/ml/grafos/okapi/graphs/similarity/Jaccard.java)
(class `JaccardApproximation `).
Let me know if you have more questions :)
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