I have been reading through the documentation for neo4j and it's components and have yet to come across functionality that lets me query the total ... |
Greetings,
Is there any open source graph database available other than Neo4J??
NOTE: Why not Neo4J?
Neo4J is opensource, but counts primitives (number of nodes,relationships & properties). If you are using it ... |
I'm learning to use neo4j, but am a bit confused on its usage. When I'm adding nodes and relationships, I can do it like this:
GraphDatabaseService graphDb = new EmbeddedGraphDatabase("C:/temp/graphdb");
Transaction ...
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I downloaded Neoclipse Source and downloaded the Neo4J source. However some of the classes that the Neoclipse source file refers to are not found in the ... |
This is a graph whose nodes exist in many connected components at once because a node's relationships are a collection of edge groups such that only one edge per edge group ... |
I'd like to know if it is possible to have this application (neo4j) running on windows server 2008 alongside an asp.net mvc application. Reason for this, I need to ... |
This is my source code of Main.java. It was grabbed from neo4j-apoc-1.0 examples. The goal of modification to store 1M records of 2 nodes and 1 relation:
package javaapplication2;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.RelationshipType;
import ...
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Is there an efficient way with given two nodes to find a set of their common nodes (with defined relationships).
For example, having nodes A1, B1, C1-C4 connected with relationships x and ... |
I'm using the BatchInsert and LuceneIndexBatchInserter api's to create my graph (~10000 nodes for now). The thing is BatchInserter.createNode(...) returns a long.
BatchInserter inserter = new BatchInserterImpl( DB_PATH, BatchInserterImpl.loadProperties( ...
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how to find the particular node using the Neo4j API.When i refereed the docs i got some code to get all nodes However if i have a node called "XYZ" I ... |
I started learning Neo4j. I have a basic idea about it. May be my question looks silly but its important to know much more from others while learning.
I have small ... |
I recently started researching database features of databases.
At the moment I'm looking into Neo4j Graph database.
Unfortunately, I can't find every bit of information I need.
I found most information except the ... |
The class GraphDatabaseService seems not provide any method to drop/clear the database. It there any other means to drop/clear the current embedded database with Java?
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I would like to call some Java code when a node of a certain type is added, updated or deleted in Neo4j. How can I do this?
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It seems that for the latest 1.3 release of Neo4j only the JRuby interface is supported. Where is the Java interface?
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How can I store references to Java objects in Neo4j?
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Question: How do I "set" the canonical hostname as reported by java's InetAddress.getCanonicalHostname() method?
Context: I'm trying to run Neo4j (which has an embedded jetty server) on CentOS 5.6. The service ... |
I want to use neo4j to manage relationship among users.
How can I get mutual friends using it?
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Well, I've taken help of Google, Stackoverflow and whatever else I could find, did as much as I could, but it seems that I am unable to find out an exact ... |
I just loved the concept of Graph Based Databases, specifically Neo4j. I have some queries:
- Is there any Architecture document on Neo4j? I specifically want to know, suppose if I use Java ...
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I have an application that performs a very sequential set of discrete tasks.
My problem is that one of the first tasks consumes a large amount of memory, and despite eliminating object ... |
I am using Gremlin over Neo4j Database. I'm able to load the tinkergraph database and do gremlin traversal on it, but unable to load local-database and do the traversal on it. ... |
I try to follow this guide: http://docs.neo4j.org/chunked/snapshot/examples-hello-world.html but I have a fatal error when I try to create a db.
This is the error:
org.neo4j.jmx.impl.JmxExtension load
INFO: Failed to register JMX ...
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I have guite a big network in csv file. It containt 450 k nodes and 45 000 000 relationships. As ive read in neo4j documentation this type of database can handle ... |
How can I add filter to given traversal :
TraversalDescription td = Traversal.description()
.breadthFirst()
... |
The problem that I'm running into is that after I make an AutoIndex index a certain property, I can add a key/value pair and the index won't show that it's there. ... |
This seems like a very strange problem. I'm stress testing my neo4j graph database, and so one of my tests requires creating a lot of users (in this specific test, 1000). ... |
while running following code :
def v1=[];
def p=[];
v.as('x')
.except(v1).sideEffect{v1.add(it)} // step 1
.outE('priority').inV ...
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I am unit testing domain logic and domain objects backed by a neo4j database. Most of these tests need to mock the neo4j GraphDatabaseService, various Nodes, and various Relationships. ... |