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Join the community at Nodes 2022, our free virtual event on November 16 - 17.

General Discussions

Forum Posts

About the General Discussions board

  The General Discussions board is meant as a location to ask non-technical questions either about Neo4j, or about the Graph Community in general. Use the General Discussion board for some of the following: Looking for a job OR hiring for a position...

TrevorS by Community Team
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Resolved! Exception after partial load

I had a load csv command running that failed with out of memory, and now when I try to query I get this: Neo.DatabaseError.General.UnknownError: File has been unmapped: /var/lib/neo4j/data/databas...

Rock and Roll Traffic Routing, with Neo4j

Here is a tutorial on how to perform traffic routing in Neo4j: This is the first in a series, set in a fictional city called Saxeburg (it is part Paris, part Cone...

Neo4j installed exe is showing MD4 virus in Avast

Ive installed the latest Neo desktop installer (neo4j-desktop-offline-1.1.13-setup.exe) and every time I install and try to run it, avast quarantines the file saying its infected with an MD4 virus. Has anyone else seen or had this problem on Windows ...

Graphista in LA / remote

Hello, my name is Matthias Sieber. I am a Software Engineer of nearly two decades including CTO experience looking for a new place to make a positive impact. My role at MediaHound, where I primarily developed fast, award-winning cross-media recommend...

Hiring: Software Developer with Graph Affinity (m/f/d)

Hey at all, we at Semalytix have currently an open position for a Software developer with experience in graph databases. Maybe this might be interesting for some of you. Thanks for your time. Location: Bielefeld, Germany Description: Our Semalytix kn...

lukas by Node
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Neo4j and Streams

Hi i'm new to Neo4j and i want to use it for a project i have. I need to do some social network analysis and for that i need to build a graph on datastreams and in general work on streaming data. So my question is neo4j good at handling data streams ...

Speaker identification meets graphs

Hi all, Check my blogpost about detecting clusters from probabilistic data, where false positives are possible. In this case it's about detecting unique speakers from voiceprint similarities, but it can be used for any similar usecases. https://graph...

zakjan by Ninja
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Resolved! The Travelling Salesman Problem with Neo4j

Hi Neo4j Community, Inspired by a problem posted on Stack Overflow, I've spent a little time looking at how the Travelling Salesman problem can be solved with Neo4j. The results of these efforts is a blog post available here. It uses the Bath Christm...

Beginner- Need Mentor

Hello, I am trying to understand what are the prerequisites to learn neo4j? I tried online and it says Java, Spring, DB and Graph DB. Could someone please help me understand that would I be able to learn in with SQL as basis? Thank You, Sid

How to list apoc and algo procedures?

UPDATE: algo do not correctly install - see other topic Hi all, I want to list the procedures installed with plugins. I have neo4j 3.5.1 community and the relative apoc and algo procedures. To list installed procedure the manual at

Now Hiring: Database Specialist in Montreal

Are you an abstract thinker that is passionate about technology? Looking for a job that’s different than anything you’ve ever done before? Do you have a lot to offer in a highly creative environment where your work has a direct impact on the success ...

mbaylin by Node
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Nodes 2022
NODES 2022, Neo4j Online Education Summit - November 16 - 17, 2022.

Free NODES Training Series

October 19th -

Intro to Neo4j

October 20th -

Healthcare Analytics Using Neo4j

October 25th -

Handling Neo4j data with Apache Hop

October 26th -

Blazing Fast Graphs: Hands-on with Apache Arrow and Neo4j

November 2nd -

Graph EDA Using the Neo4j GDS Client

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