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Beta Opportunity for Neo4j Workspace

Introducing Neo4j Workspace We’re inviting you to check out Neo4j Workspace. Workspace combines our most powerful graph tools (Data Importer, Bloom, and Browser) all in one place to help you get up and running with graph databases faster. For experie...

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TrevorS by Community Team
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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...

Neo4j-graph-database-to-graph-platform.png
yolande by Community Team
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Resolved! MERGE with null and coalesce

I am wondering how this following query works. We start with an empty DB. WITH [{a:1, b:null}, {a:1, b:null}] AS rows UNWIND rows AS row MERGE (t:Test {a:row.a, b:coalesce(row.b, 'none')}) SET t.b=row.b Added 1 label, created 1 node, set 3 propertie...

jhyot by Node Link
  • 3627 Views
  • 2 replies
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Resolved! DeadlockDetectedException

I use apoc.periodic.iterate function: CALL apoc.periodic.iterate( "load csv from 'file:///user_friends.csv' as line with toInteger(line[1]) as start_id, toInteger(line[0]) as end_id match (a:User{id:start_id}),(b:User{id:end_id}) return a,b ", "where...

Cypher query Issue

Neo4j Desktop 1.2.0 Neo4j 3.5.1 Neo4j Browser 3.5.6 code used: LOAD CSV WITH HEADERS FROM "file:C:\Users\jlambright.Neo4jDesktop\neo4jDatabases\database-<#>\installation-3.5.6\import\test.csv" AS line MERGE (n:MyNode {Name:line.Source}) MERGE (m:MyNo...

JSENL by Node
  • 1597 Views
  • 3 replies
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Using neo4j as a LOB classic database

Hi, We would like to create our own ERP solution for using in several different use-cases: CRM, remote mobile app management, e-commerce, advanced content management and more. You might want to refer it as a "Line of business" AKA L.O.B type of apps....

Toggle relationship

I have found a link which states to toggle the relationship: MATCH (u:User) WHERE id(u) = 1 (p:Post) WHERE id(p) = 1 CREATE (u)-[:LIKES]->(p) WITH u, p MATCH (u)-[r:LIKES]->(p), (u)-[:LIKES]->(p) DELETE r But I'm not able to understand how toggle is...

ri8ika by Graph Voyager
  • 726 Views
  • 3 replies
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Resolved! Using variable inside foreach

MATCH (n:Node) // .... // keys => ['foo', 'bar'] FOREACH (k IN keys | SET n.k = 'something') > variable n is not defined What I'm trying to do is something like: n.foo = 'something' n.bar = 'something'

ri8ika by Graph Voyager
  • 1472 Views
  • 6 replies
  • 1 kudos

Resolved! Cypher script execution error

getting error while trying to run below cyper script neo4j> cypher-shell -file /var/lib/neo4j/import/testscript.cql; Invalid input '-': expected (line 2, column 1 (offset: 7)) "-shell -file /var/lib/neo4j/import/testscript.cql;" Where should we plac...

Resolved! Is there on not match statement?

I am trying to set different property if query is matched and not matched. But I'm not able to find in the documentation. Something like this? MATCH (n:Node) // blah, blah, blah ON MATCH SET n.one = 'one' ON NOT MATCH SET n.two = 'two' I also tried ...

ri8ika by Graph Voyager
  • 2687 Views
  • 6 replies
  • 2 kudos

Unable to convert dates with apoc

Hi, I'm trying to build a subgraph with times and dates in my recommender system of players. For example, I created 24 nodes (for each hour of the day) with the aim of classifying the users that connect a specific time. This way I'd be able recommend...

Kubernetes helm read replica access

Hi, We are using helm to deploy neo4j on a kubernetes cluster starting with this repo: GitHub neo4j-contrib/kubernetes-neo4j (RETIRED) Kubernetes experiments with Neo4j. See updated Helm Repo - neo4j-contrib/kubernetes-...

ivi by Node
  • 1003 Views
  • 3 replies
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Graph recommender engine

Anybody have resources on how to build a recommend-er engine based on shows watched by a user, running on neo4j ( or any graph database ). Using some APOC graph algorithms or any ML models I would really appreciate this.

werner by Node Clone
  • 525 Views
  • 1 replies
  • 1 kudos
Nodes 2022
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NODES 2022, Neo4j Online Education Summit

On November 16 and 17 for 24 hours across all timezones, you’ll learn about best practices for beginners and experts alike.

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