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Neo4j is an open-source, transactional graph database well suited to connected data. You can use it for a variety of use-cases directly from all JVM languages or via other language drivers via the HTTP-APIs.
learn more… | top users | synonyms (1)
0
votes
0answers
3 views
Spring data neo4j not creating unique indexes/constraints in Grails
I'm having some trouble getting unique constraints working with spring-data-neo4j in grails.
I suspect that it's because I've not wired it in properly, but the repository is being scanned and wired, ...
grails neo4j spring-data-neo4j
asked 59 mins ago
Dr Joe
17310
17310
0
votes
0answers
8 views
Prevent neo4j from starting on boot (Ubuntu 14.04)
Currently, Neo4j service starts every time I boot into Ubuntu. This is undesired behavior as I am using this as a dev machine and do not always need neo4j running.
Here is the init.d script for it. ...
ubuntu neo4j init
asked 14 hours ago
ianks
986
986
1
vote
0answers
8 views
Neo4jClient: Wild char Search do not work when parametarized
I am having a strange issue with the Neo4JClient.
The following query works
.AndWhere("((shipper.Name =~ '(?i).*" + filterTxt + ".*') OR (frm.Name =~ '(?i).*" + filterTxt + ".*') OR (to.Name =~ ...
neo4j cypher neo4jclient
asked 19 hours ago
Kiran
319415
319415
0
votes
0answers
12 views
Why Neo4jTemplate covers nodes number but not its content?
This is my pom.xml:
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
...
java csv neo4j spring-data-neo4j
asked 22 hours ago
Szczepan
32
32
0
votes
0answers
23 views
Export neo4j to csv using python
I'm using neo4jdb-python packages to query the Neo4j database. For example, considering the below example
import neo4j
connection = neo4j.connect("localhost:7474")
cursor = ...
python csv neo4j cypher
asked 23 hours ago
Bhargav Rao
32
32
0
votes
0answers
13 views
Erratic Spring Data Neo4j deserialization performance
I have a tiny embedded Neo4j database with just a few hundred nodes running in my Spring Data Neo4j project on my laptop. Every 5 seconds I run a query that returns 4 nodes. This query is very simple ...
neo4j spring-data-neo4j
asked yesterday
mrhobo
3,4961320
3,4961320
-1
votes
0answers
16 views
Neo4j matching two-circle or the start point
Starting from the node (me), I want to match the following pattern:
(me)-[:FOLLOW]->(user:User)-[:FOLLOW]->(me)
Or
(me)
i.e. the start point itself.
How to write the Cypher query?
neo4j
asked yesterday
HanXu
1,0931234
1,0931234
0
votes
1answer
18 views
How to fetch nodes with different labels in one query in Neo4j
I have three types of nodes:
(:Meal), (:User), (:Dish)
With relationships:
(:Meal)<-[:JOIN]-(:User), (:Meal)<-[:ORDERED]-(:Dish)
Now I want to fetch the information of meal in one query. I ...
neo4j
asked yesterday
HanXu
1,0931234
1,0931234
0
votes
2answers
19 views
Neo4j : Advices for hardware sizing and config [on hold]
I've been playing with a neo4j 2.0 db for a few months and I plan to install the db on a dedicated server. I've already tried several configs of neo4j (jvm, caches, ...) but I'm still not sure to have ...
neo4j
asked yesterday
laurent
81
81
0
votes
0answers
12 views
Creating time-based ('After', 'Before') relationships in Neo4j
My goal is to create a relationship between events ('NEXT', 'PREV'). I have a set of data with two types of nodes, and one relationship. The (:Person) is -[:AT]-> an (:Event). In fact, they are ...
neo4j
asked yesterday
intra
707
707
0
votes
1answer
20 views
Returning only the first common node
I am trying to write a query which returns only the first common node between two nodes in a scenario where there may be multiple.
Using this graph for reference - ...
neo4j cypher
asked yesterday
Joe Woods
31
31
0
votes
1answer
18 views
How to push individual (optional) parameters into an array
I'm trying to populate an array (fruit.Price)with properties supplied in the first WITH line of the following cypher code:
WITH ...
arrays neo4j cypher
asked yesterday
user157109
153
153
0
votes
1answer
14 views
How to retrieve nodes for multiple depth relationships Neo4j Database Cypher?
Assuming that there is a simple graph as follows,
(City {name:gotham})<-[:LOCATED]-(Tower {name:abc})<-[:LOCATED]-(Bank:{name:CityBank})
(City {name:gotham})<-[:LOCATED]-(Cinema ...
neo4j cypher graph-databases
asked 2 days ago
Tharik Kanaka
1891420
1891420
0
votes
1answer
20 views
Graph Model: How to mark items in Neo4J as Read/Viewed
[EDITED]
I am trying to build an application that allows users to receive messages. The model looks something like this:
(user:Person)-[:HAS_MESSAGE]->(message:Message)
Multiple users can have ...
neo4j cypher
asked 2 days ago
Kiran
319415
319415
0
votes
0answers
14 views
Versioning in graph Database(Neo4j)
I have checked versioning in Graph database in below link
www.neo4j.org/graphgist?608bf0701e3306a23e77
I have replicated the same data with little modification on design like below , so ...
neo4j
asked 2 days ago
Khushbu Agrawal
11
11
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