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Head's Up! These forums are read-only. All users and content have migrated. Please join us at community.neo4j.com.

Forum Posts

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
  • 966 Views
  • 1 replies
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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...

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yolande by Community Team
  • 1195 Views
  • 1 replies
  • 1 kudos

Resolved! Compare (count) Relationships to a Single Node

I am trying to count the differences in relationships pointing to a certain node.. If I write the code below with rel = 1 and ler = 1 then I get a proper result showing the count of both having 1 of each type of a relationship.. but I want to also kn...

Resolved! How to do grouped joins

I am an advanced SQL and SPARQL user and I am currently finding it difficult to map some concepts and patterns to Cypher. I did read the documentation and I find the examples are too simple. I need to express the following traceability path in Cyphe...

rafikj by Node Link
  • 3411 Views
  • 6 replies
  • 0 kudos

Graph App Development Documentation

It was clear from speaking to you all that we should be focussing more effort in documentation and examples around building Graph Apps. In the past week I've published our new Developer Guide for Graph Apps under neo4j.com/developer. The aim of this...

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Slow writes after upgrade

I recently upgrade our Neo4j Enterprise to v3.5.9. The problem is that since the DB started, any write query hangs for 60seconds and the query is killed by the runtime (We have dbms.transaction.timeout=60s in the config) Even this simple query will n...

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Neo4j-gremlin

hello everyone. I'm trying to make neo4j serve as a gremlin-server .But I didn't find docs to follow. I followed docs on tinkperpop ,failed anyway. Any suggestions? Thank you!

Error in connection establishment

Have installed neo4j Community Server 4.0.3 on server and can connect via the browser from my laptop on http://server_name:7474/browser However I cannot log in or connect to the database and have noted the following errors in Edge developer tools (ht...

Resolved! Group nodes by property type

Hi, I'm trying to aggregate returned nodes by an amount of property types. Basically I have (r:Recipe)-[:HAS_CUISINE]->(c:Cuisine) I'd like to return 10 recipes from each Cuisine in my database I feel like it should be something close to MATCH(c:Cuis...

Neo4j 3.5.17 unstable waiting forever for a lock

We have an application with 10M nodes and recently we started observing that the neo4j server became unresponsive, after a while it's observed a few thread running indefinitely and no more request/queries can execute. I dump the process with jstack ...

Change property name

Hello I need to change the name of the property in a relationship between nodes I have node A and B and R as a relationship between them. In R there is a NAME property and I need to change NAME to OCCURRENCE. I tried to use this syntax to overwrite N...

Node or Property?

Greetings, How to decide between Node or a property on a node for performance. I have a label called : Customer and there will be about 80 million are so nodes of this type. They all have the properties called Country, State and City along with other...

skmami by Node Clone
  • 638 Views
  • 3 replies
  • 3 kudos

COVID-19 determine probability of virus transmission

Hello. My team is working on a government project to help detect and prevent virus transmission. Using different technologies (Wifi, bluetooth, gps, manual input) we are able to detect human to human contact events. Based on the nature and characteri...

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felipe by Node Link
  • 2229 Views
  • 15 replies
  • 5 kudos