Neo4j

halloleo · 11-21-2021

In the Neo4j browser I can easily show all relationships: MATCH p=()-[r]->() RETURN p Plus I can easily show some particularly interesting relationship(s): MATCH p=(n)-[r]->() WHERE n.relevance > 10 RETURN p But how can I combine these two: How can...

halloleo · 11-18-2021

In a smallish database I try to add to a node a degree property (how many relationships go out from this node). I tried the following query: MATCH (p)-[r]->(x) WHERE p.id = "42" SET p.degree = count(r); The WHERE clause WHERE p.id = "42" full define...

halloleo · 11-17-2021

Hi there I'm just starting out to do a bit more with neo4j and I try to represent a truly bi-directional realtionship. I know neo4j cannot store un-directional relationships ((a)--(b)), which would be an option. And I didn't manage to create bidirect...

halloleo · 11-22-2021

Thanks @michael.hunger. Will look at Bloom. As for using a property as caption, how do I tell the front end to use some node information as caption? Can I do it at the time of network creation via a special property name?

halloleo · 11-19-2021

Cool. Super thanks @giuseppe.villani . I certainly will try this - and read the docs on the WITH clause... BTW, why is there a separate library function in APOC for this? Is it faster than your first, native approach?

halloleo · 11-19-2021

Thanks @giuseppe.villani! That's a good aproach: Keeping the links in the database unidirectional, but visualise them bi- or undirectional. Might try neovis.js or Cytoscape...

Neo4j

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How to query Neo4j while marking some intersting nodes?

How to add a degree property to a node

Best way to represent bidirectional relationships

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