Neo4j

Terry_Y · 06-20-2020

Hi, there. I am new with neo4j. I am trying to get a shortest path between two nodes. I am using the Shortest Path algorithm in the Neo4j Graph Data Science library. It is easy to get the shortest path. However, I also want more information from the ...

Terry_Y · 06-21-2020

ameyasoft: match(a:Loc)-[r:ROAD]->(b:Loc) where a.name = "A" and b.name = "B" return a.name as Source, b.name as Target, r.type as Type, r.cost as Cost union match(b:Loc)-[r:ROAD]->(c:Loc) where c.name = "C" and b.name = "B" return b.name as S...

Terry_Y · 06-21-2020

Thank you so much, ameyasoft. In fact, it doesn't work. RoadType in relationshipQuery cannot be returned. If it can be returned, my problem would be solved. I just want to have the information in relationshipQuery, such as source, target, and type. H...

Terry_Y · 06-21-2020

Terry.Y: // Nodes MERGE (a:Loc {name:'A'}) MERGE (b:Loc {name:'B'}) MERGE (c:Loc {name:'C'}) // Relationship MERGE (a)-[:ROAD {cost:2, type:'Path'}]->(b) MERGE (b)-[:ROAD {cost:1, type:'Lift'}]->(c) MERGE (a)-[:ROAD {cost:5, type:'Path'}]->(c); ...

Terry_Y · 06-20-2020

Tobia.Moretti: (start)-[r:ROAD]->(end)

Terry_Y · 06-20-2020

Tobia.Moretti: MATCH (start:Loc{name:"A"}), (end:Loc{name:"C"}) CALL gds.alpha.shortestPath.stream({ nodeQuery:'MATCH(n:Loc) RETURN id(n) AS id', relationshipQuery:'MATCH(n:Loc)-[r:ROAD]->(m:Loc) RETURN id(n) AS source, id(m) AS target, r.cost A...

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How to retrieve relationship properties from shortest path algorithm?

Re: How to retrieve relationship properties from shortest path algorithm?

Re: How to retrieve relationship properties from shortest path algorithm?

Re: How to retrieve relationship properties from shortest path algorithm?

Re: How to retrieve relationship properties from shortest path algorithm?

Re: How to retrieve relationship properties from shortest path algorithm?