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Re:Knowledge Graphs by jnwatson on Friday March 06, 2020 @09:01PM (#22509212)
Yes indeed. I work for a startup that offers an intelligence analysis platform built on a knowledge graph. It is open source.

https://github.com/vertexproject/synapse

SaaS is in the works.

Re:Knowledge Graphs by bjonnh on Friday March 06, 2020 @10:09PM (#22509468)
to which extent does it scale? are we limited to in memory graphs?
Re:Knowledge Graphs by jnwatson on Saturday March 07, 2020 @12:52AM (#22510035)
We’re releasing a cluster version soon. It is a persistent graph (so not limited to RAM).

A single host can probably handle a billion nodes or so. Our largest in-production graph is about a third of that.