Recent questions tagged Neo4j

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neo4j - neostore.* file size after deleting millions node

I use neo4j 1.9.4, i store 28M nodes, 267M properties and 157M relationships. the neostore.* files : -rw-r ... Can you help me ? Charles regards See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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799 views

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neo4j - how to find all the longest paths with cypher query?

I want to write a cypher query which finds all the longest paths among nodes which have relationship with STATUS= ... so thankful for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neo4j - Cypher creates number as a long. How do I create an integer?

I have a problem with types in Neo4j. I am trying with the following query to create a node with a variable ... How can I save an integer? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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548 views

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neo4j - Cypher query gives unnecessary relationships

I am trying to display only one relevant relationship in the cypher query web browser but it displays all the ... "Mr" to "Unknown"? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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712 views

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neo4j cypher Match command concatenation

are these two Chypher statements identical: //first match (a)-[r]->(b),b-[r2]->c //second match (a)-[r]->(b) match b-[r2]->c See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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703 views

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neo4j - Move/copy all relationships to different node

Is there any way to copy or move a relationship from one node to another? I have a situation ... find this functionality exceptionally useful. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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701 views

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neo4j - How to paginate query results with cypher?

Is it possible to have cypher query paginated. For instance, a list of products, but I don't want to ... .org/chunked/stable/query-skip.html See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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959 views

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neo4j - Running a case-insensitive cypher query

Is it possible to run a case-insensitive cypher query on neo4j? Try that: http://console.neo4j.org/ When ... to run case-insensitive queries? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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neo4j - Adding relationship to existing nodes with Cypher

I'm trying out Neo4j for the first time. I'm using the 2.0-RC1 community edition. I've created some nodes: ... can I do the same using labels? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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539 views

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neo4j - Edit or Create Graph Style Sheets for WebAdmin

I have updated to neo4j 2.0 and I am currently becoming desperate trying to edit the web admin stylesheets for ... 0? Thanks in advance, Iwanai See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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797 views

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neo4j - ORDER BY the result of UNION of subqueries

I would like to compute the UNION of multiple subqueries and sort the result using ORDER BY. So I'd like to ... I think of a good workaround. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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neo4j - Using Cypher to return nested, hierarchical JSON from a tree

I'm currently using the example data on console.neo4j.org to write a query that outputs hierarchical JSON. The ... to figure this out? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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545 views

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neo4j - Nested has_many relationships in cypher

I have a nested has_many relationship that I'm trying to map to a json result. The following example from the blog ... chapter2"] } ] } ] } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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neo4j Cypher hierarchical tree build response to JSON

Can you help me to build cypher query? i have following graph db structure: (parent:Category)-[:subcategory]->( ... but they did not help me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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532 views

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neo4j spatial contain search

i'm trying to develop a web service able to give me back the name of the administrative area that contains a ... gps position ? thanks, Enrico See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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640 views

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neo4j cypher: how to change the type of a relationship

I can't find a way to change a relationship type in Cypher. Is this operation possible at all? If not: what's the best way achieve this result? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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976 views

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neo4j - There is no procedure with the name `apoc.help` registered for this database instance

I've built and installed the "apoc" procedures according to the github page (The apoc-1.0.0-SNAPSHOT.jar ... of the settings? Thanks, Babak. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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neo4j - Cypher query: Finding all paths between two nodes filtered by relationship properties

I have the following graph as a Neo4j graph database: activates (80 °F) (A)------------------------------------->( ... > D, A -> C -> D, A -> D. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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644 views

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neo4j - Search list with mutual count (2nd try)

I have created fresh dataset to explain my desired result. and here is the link Or you can trigger this command ... and this and many more. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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723 views

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neo4j - What does a comma in a Cypher query do?

A co-worker coded something like this: match (a)-[r]->(b), (c) set c.x=y What does the comma do? Is it just shorthand for MATCH? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

neo4j - NodeProperties in gds.alpha.shortestPath.stream

The Neo4j Data Graph Science library has an Shortest Path algorithm (https://neo4j.com/docs/graph-data-science/ ... nodes with currentWeather = "good"? Many thanks in advance...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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