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12 views

Database for large dynamic network graph - best practise?

I am constructing a MySql database which is to contain data for a large network graph. There will be thousands of nodes and ten thousands of edges. The nodes and edges will be assigned a category. ...
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1answer
301 views

How to create multiple graphs with TitanDB (+Cassandra) in the same machine?

I'm experimenting with TitanDB (with Cassandra as storage) + Rexter. I've been reading the documentation during hours and trying to create multiple graph DBs on the same machine, but I didn't find ...
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1answer
229 views

How to aggregate pairs of id values into groups

I have a table with two id columns id1 and id2. Each row shows that 2 id values have been linked together. My actual data has both id columns as varchar(20) but I have used integers in the example ...
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1answer
86 views

Use Database to Store Data Extracted From Internet

I'm mining 500 million users, and their "followers" from a social network using their API. The extraction of data itself is not a problem, since I can do it with my scripts. However having 500 million ...
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0answers
65 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: ...
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0answers
55 views

Create Scheme that allows for fluidity between entities [closed]

We are a small rapidly evolving company and recently investigated switching databases from SQL Server to a graph database. We like the graph approach because of the fluidity and openness that it ...
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1answer
1k views

Graph Database with “non-graph” data

--- Update --- Thanks for the comments and the help so far. And I apologize for not specifying the question further. I have updated the question below. --- Update --- Currently I am asked to develop ...
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2answers
99 views

Which database type to use

I want to implement database for following application:- User creates task and assigns to other user who can furthur split it into subtasks and assign it to other users.creaking a tree like ...
4
votes
1answer
68 views

Selecting Without Repititions

I have table with observations of objects moving along edges in a graph, this table has the following form: PK | TIMESTAMP | object_id | from_id | to_id where object_id is the id of some object and ...
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2answers
205 views

Can graph databases be easily distributed?

I have never worked with graph databases such as neo4j, I would like to know if they support easily replication and clustered distribution as well as key-values databases, or if there inherent ...
3
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3answers
489 views

Which graph database for search engine and gis?

I just learned there are "graph databases" out there, which are more suited for two applications "search engine" and especially "gis". To avoid discussions weather a relational DB is better suited ...
1
vote
1answer
241 views

Graph database with Erlang driver

I need a graph database system that has an Erlang driver. Can you advise which database system to use?
5
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4answers
7k views

Visualization of MySQL/PostgreSQL table structure as a graph/UML

Is there any program, source code or API that will take a MySQL or PostgreSQL schema and spit out a UML or some other graph visualizing of it?
4
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1answer
579 views

Terabyte data set

I have the feeling that most of the database systems originate in the '80s and stereotypically implement tables, ACID transactions and constraints. They were build having in mind the scarcity of ...