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...
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...
I need to do a match then set a value if condition satisfies and then return the node. I have tried the following: MATCH (n:node {uid: "myid"}) WHERE (NONE(x IN n.arr WHERE x = "newentry") SET n.arr = n.arr + "newentry") RETURN n; The problem with th...
Hello: I have the following query to retrieve the top 2 papers (in terms of the number of citations) of every proceeding for researchers: MATCH (p:Paper)-[:SUBMITTED_TO]->(a:Proceeding),(p)-[:CITED_BY]->() WITH p.paperTitle as Paper, size((p)-[:CITED...
I can't change password
I have a problem,Aggregate calculation is slowly, any Suggest? thanks. Query： match(m:MaBatch)-[r:BATCH]->(d:SumModPanelDefHis) where m.batch='4th' and d.eventTimekey>='20181108060000' and d.eventTimekey<='20181110060000' with d,count(d.panelId) as I...
Using Neo4J 3.5.3, and latest APOC. Trying to return the "latest" date among 3 date properties (in epoch ms format). I collect the properties into a collection variable, and then attempt apoc.coll.max as shown here: MATCH (d:Mwpdevice)--(:Mwpactive...
Looking for a tool to edit db
Is there a practical example of assigning a role with privileges to create nodes but may not use labels from a specified blacklist? The operational guide is a bit abstract.
Problem description: I want to use apoc.load.json , however in a certain manner, namely instead of url or the file path use variable as argument. The reason for this is that I am sending my json as part of CURL, so I can capture it and save to varia...
Ubuntu 18.04Neo4j: 3.5.3, Browser 3.2.16Python driverAlgo's pluginDue to numerous " Discarded stale query from the query cache after n seconds" the logs are littered with personal data So I've been trying to start using Neo4J in a project, but have s...
Reading a "Learning Neo4j" book from Packt publications. Found a query: match (p:Person)-[b:BOUGHT]->(prod1:Product)-[:MADE_BY]->(br:Brand)<- [MADE_BY]-(prod2:Product) with p, br, prod2, count(prod1) as NrOfBrandProducts where not(p-[:BOUGHT]->prod2)...
Hi everybody - after some requests I put together an article with some simple shell scripts that you can use to create Neo4j deployments of enterprise, community, and causal cluster on AWS. If you have any questions or feedback to share, this thread ...
Hi, I have 100GB size database . What is the default heap size for 61GB RAM ? (The cache size is 50% but nothing written on the heap) What is the recommanded value for Read-Only , few user with long queries ? In case I only load data once, and have f...
I have a graph with events on a timeline and participants in events. I want to do some queries for statistics about how regularly participants attend, given that the events are irregularly spaced along the timeline. Simplified: (:Person)-[:ATTENDS]-...
I tried to run neo4j-desktop-offline-1.1.15-x86_64.AppImage on Linux Mint 17.3 Rosa (Ubuntu 14.04.3 LTS). Got error: /tmp/.mount_neo4j-KjvIIO/neo4j-desktop: relocation error: /tmp/.org.chromium.Chromium.pZdQh4: symbol _ZNSt7__cxx1112basic_stringIcSt1...
I want to create a virtual relationship from the output of apoc.path.expand. I assumed I could feed in the output to the second part of the query using WITH, but don't know if/how to access graph elements as apoc.path.expand only yields a path? (apol...
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