Neo4j

nebuchadnezzar · 10-09-2022

I have relations with different values in property and want divide all values by the maximum value and return result as new property for relationship/ How can i do that? Do I have to first collect all the weight values of all relations, or is it poss...

nebuchadnezzar · 08-26-2022

I have graph with relationships that have type and some of that relations have propertyI want to delete only relationships without property but relation with same type and with property must be untouched

nebuchadnezzar · 08-21-2022

Hi, everyone! How to project the following Cypher pattern: MATCH (c1:Company)<-[:MEMBER_OF]-(e1:employee)-[*1..3]-(e2:employee)-[:MEMBER_OF]->(c2:Company) RETURN c1.id as source, c2.id as target so i can use it in GDS collapse path? And get from that...

nebuchadnezzar · 08-10-2022

Hi, everyone I want to try to collapse a path between red nodes in the pic. below And get something like that Is it worth trying to make with collapse path, or I get only 1 relationship between each pare of nodes? Or maybe there exist easier alte...

nebuchadnezzar · 10-30-2022

Thanks for the answer  The code almost worked, but I had to remove the "n" after "with" Working code match(n:Root)-[r:REL]->(m:Child) with max(r.value) as maxValue, collect(r) as rels unwind rels as rel set rel.scaledValue = rel.value / maxValue

nebuchadnezzar · 08-27-2022

Thank you, everything works as it should 

nebuchadnezzar · 08-22-2022

Thanks for the answer, but this code does not work, and I need one name for mutateRelationshipType

nebuchadnezzar · 08-17-2022

Thanks Michael, that's exactly what I wanted to knowand the link will come in handy  I can share code but I didnt try run GDS collapse path yet because have problems with MATCH I try that code below and get olny paths through 2 user nodes. (red node...

nebuchadnezzar · 08-11-2022

Hi, Minyall Did I understand correctly that you get parallel META_FOLLOWS relations between a pair of nodes? I asking because the "gds.alpha.collapsePaths" documentation says that only one connection is created between a pair of nodes. Thanks in adva...

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How to divide the weight of a connection by the largest weight among all connections?

How to delete all relationships with specific type that do not have certain property name?

How to correctly write a query for projection to use GDS collapse paths ?

Does collapse path make multiple relationships between a pair of nodes if the are multiple paths?

Re: How to divide the weight of a connection by the largest weight among all connections?

Re: How to delete all relationships with specific type that do not have certain property name?

Re: How to correctly write a query for projection to use GDS collapse paths ?

Re: Does collapse path make multiple relationships between a pair of nodes if the are multiple paths

Re: Aggregate Parallel Relationships after gds.alpha.collapsePaths