Questions tagged [graph-dbms]

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119 views

What can Neo4j do that ArangoDB can't?

I'm in the process of choosing a database for a project related to biology and medicine. The main added value of a graph database will be the ability to explore and weight the relationship between ...
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1answer
45 views

Neo4j import performance

I have a Neo4j 3.5.3 installation on my Ubuntu laptop (which is Intel i5, 4 GB RAM, SSD disk) and I'm trying to import a moderate-sized dataset from CSV files into the graph. Here is the full Cypher ...
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1answer
52 views

Storing Routes and Locations in Graph using SQL Server 2017

I'm very new to Graph database, so please ignore my mistakes. My scenario described in following picture: I have different locations connected to each other with a route between them. Then I have ...
3
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1answer
55 views

How do graph databases differ from older navigational (hierarchical/network) databases?

I'm trying to improve my knowledge of graph databases, in particular DGraph. Are graph DBMSs just a new generation of pre-relational hierarchical/network model DBMSs, or is there something new at a ...
3
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0answers
269 views

How Graph Databases Store Data on Disk

I have seen these papers: TurboGraph GraphChi BiShard Parallel Processor G-Store NXgraph GridGraph ...and a few others. I am new to databases (other than having used them for web apps without ...
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0answers
11 views

How can I detach a specific relationship to a node then “move” it to another node in a graph database?

I'm trying to make a game using the neo4j graph database as an experiment. Some nodes are Users and some nodes are Rooms. Rooms have a CONTAINS relationship to Users so the database has a lot of this: ...
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2answers
3k views

Neo4J community edition DB size limit?

The Neo4J site states that the community version of Neo4J has a limit in the graph size, but does not state the limit of the community version. https://neo4j.com/editions/ What is the size limit of ...
7
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1answer
444 views

Is There a Single-File Based Graph Database Management System?

I am considering using a graph database management system (DBMS for brevity) as an application file format for my single-user desktop application. Is there a single-file based graph DBMS (the "...
3
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1answer
96 views

Which allows for faster queries in a graph database: a node with multiple properties, or a node that points to multiple nodes?

I just started using Neo4j and I don't know when it'd be best to add properties to a node vs when to create more nodes. I'd assume for simple things like x and y coordinate data, it's better to use ...
2
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1answer
106 views

Converting a graph database schema to a relational database schema

I currently am using a graph database and am considering moving off of it to a relational database management system like PostgreSQL. My concern is that I have lots of relationships between ...
2
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1answer
134 views

How can I model this problem in a graph database?

I have a project that I'm working on where I extract data from PDFs and map/visualize the relationships between the extracted pieces. Here's an example of my problem: file: 11425646.pdf author: ...