Neo4j

shwang1 · 01-06-2023

I have a query that I am trying to run to count user nodes that have paths to certain segment (aka categories) nodes and also do not have a path to other segment nodes. My production data set will have billions of users and thousands of segments with...

shwang1 · 01-03-2023

I am trying to see if the following scenario is possible with Neo4j. I have many "user" nodes and many "segment" nodes in a many to many relationship. Each "user" is a member of any number of "segments". The primary keys of the "users" is "userId" an...

shwang1 · 01-07-2023

Thank you all! I'll try this out next week!

shwang1 · 01-03-2023

I came up with this query below: MATCH (n:User) where ((n)-[:IS_MEMBER]->({segmentId: 1}) AND (n)-[:IS_MEMBER]->({segmentId: 2})) OR (NOT (n)-[:IS_MEMBER]->({segmentId: 3})) return count(DISTINCT n); Is this an optimal way to query? I'm hoping t...

shwang1 · 01-03-2023

Thanks for the quick response! ok, yeah I agree the usage of segment ids as labels did not seem like a good idea. For the boolean expression above, what would the query look like above? Should I be using a relationship expression to do this or stick ...

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Is there a way to only reference the incoming paths into a few nodes instead of scanning all paths?

Query for count of nodes using boolean expression to determine membership in other nodes

Re: Is there a way to only reference the incoming paths into a few nodes instead of scanning all pat

Re: Query for count of nodes using boolean expression to determine membership in other nodes

Re: Query for count of nodes using boolean expression to determine membership in other nodes