Neo4j Graph Platform
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About the Neo4j Graph Platform Category

The Neo4j Graph Platform includes the core database and all the technologies surrounding the database, making it useful and accessible for a lot of different users. When asking a question, please select a descriptive label that best matches your quer...

yolandep by Community Team
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User Defined Function

Hello  I have the following function that I found in this Ref I want to use this function to find the minimum dominating set. How can I execute this in neo4j?  function CYPHERGreedyAlgorithm MATCH(h) SET h.whiteness = 1 SET h.blackness = ...

Resolved! RETURN: excluding table lines with empty properties

Probably a typical newby question :-)...I have created the following table:MATCH (s:Source)WHERE s.title = $neodash_source_title  //  value comes from a parameter select functionWITH s LIMIT 1MATCH (s:Source)-[r:PRODUCED_BY ]->(p:Producer)-[v:HAS_NAM...

guido by Node Link
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Resolved! Case insensitive query for a user filter

I'm using neo4j-driver inside of a lambda function. I found the way to run a case insensitive query using regex by adding WHERE =~ '(?i)neo'. This works when I'm not using a parameter. I've tried all of the ways in the following article, but h...

Resolved! How to make load csv go faster?

Greetings, I have the following load csv cypher wrapped inside the apoc.periodic.iterate. I tried to increase the batch size and I am getting locking errors. It is loading at very slow pace. What is a way to increase the loading speed and not get dea...

skmami by Node Clone
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Can I use Neo4j Bloom in a web based application?

I want to know whether there is a way to call some API from Bloom in a web based api. For example, I have a search box on my graph application site and after users type a term in the search box, it searches the graph, return the results, nodes, prope...

lingvisa by Graph Fellow
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Getting a subgraph from a big graph

Hi folks,I am attempting to get a subgraph and graph data(as '.txt 'or other formats) from a big graphApproach 1: Randomly sample all nodes types from the large graph   MATCH (source: Node)-[r*..]-(target: Node) WHERE<> WITH so...

wumirose by Node Clone
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Pregel: Store Messages in Nodes

Hi everyone,I am currently trying to write a procedure using the Pregel-API, where I would like to use the compute-method, to store each of the incoming messages for a node. However, I am kind of struggling with the Messages-object right now. The pro...

N10s update multivalPropList on a non-empty graph

Hi, I am using neosemantics (n10s) to import various ontologies into my graph. One issue I have encountered is that I want some properties to be treated as lists (which is solved by setting "handleMultival": "ARRAY" in the config, then setting a "mul...

alex3 by Node Link
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Unable to start neo4j DB

Neo4j won't start after accidentally upgrading it from 4.2.4 to 4.4.8. Gives below error.     Caused by: org.neo4j.kernel.impl.transaction.log.entry.UnsupportedLogVersionException: Log file contains entries with prefix 4, and the highest supported pr...