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14
votes
1answer
6k views

When should you use a document vs relational vs graph database? [closed]

For the purposes of discussion let's consider a FourSquare scenario. Scenario Entities: Users Places Relationships: Checkins: users <-> places, many to many Friends: users <-> users, ...
10
votes
7answers
279 views

Nested Entities and calculation on leaf entity property - SQL or NoSQL approach

I am working on a hobby project called Menu/Recipe Management. This is how my entities and their relations look like. A Nutrient has properties Code and Value An Ingredient has a collection of ...
5
votes
1answer
177 views

What are graph datastores better at doing than other datastores and why?

Where previously there was only relational databases, the data store world is now rife with options like Key-Value, Document, and Graph datastores. Unfortunately, every datastore likes to show how it ...
3
votes
2answers
267 views

Under which area of Artificial Intelligence is my knowledge store?

I've a maturing idea regarding a knowledge store. For the purposes of this question, the store would be used by a police force for the recording and querying of crimes. I believe that ...
2
votes
1answer
621 views

Architecture for Social Graph data that has a Time Frame Associated?

I am adding some "social" type features to an existing application. There are a limited # of node & edge types. Overall the data itself is relatively small (50,000 - 70,000 for each type of ...
2
votes
2answers
281 views

Tool for large scale graph analysis

What are the best tools / frameworks / libraries available to implement and run algorithms on graphs? In particular I need a tool that can load a set of nodes, edges and values assigned to these ...
2
votes
0answers
91 views

Would a model like this translate well to a document or graph database?

I'm trying to understand what types of models that I have traditionally persisted relationally would translate well to some kind of NoSQL database. Suppose I have a model with the following ...
1
vote
3answers
889 views

Is OrientDB document-database? or graph-database?

Some document says OrientDB is document-database, some others talks it's graph-database. What's right?
1
vote
1answer
69 views

How does I/O work for large graph databases?

I should preface this by saying that I'm mostly a front end web developer, trained as a musician, but over the past few years I've been getting more and more into computer science. So one idea I have ...
0
votes
2answers
197 views

Designing a social network with CQRS, graph databases and relational databases in mind

I have done quite an amount of research on the topic so far, but i couldn't come up with a conclusion to make up my mind. I am designing a social network and during my research i stumbled upon graph ...
0
votes
0answers
83 views

How to link the data of MongoDB and Neo4j?

I want to implement a system which store the profiles of employee and the resources that they have. There are many types of resources, such as the documents they produced, the techniques they ...