Neo4J Database - mymagic/open_hub GitHub Wiki
Introduction
What is a graph?
A graph is a set of vertices connected by edges. In the realm of databases, a graph is a set of items with each item having any type of relationship to another item in the dataset.
Usage of Graph Database on OpenHub
Graph database is great tool to look into relationship of a data with another data without having complex relation link-up and query like relational database. OpenHub utilizes the power of Neo4j for the recommendation system build in the system for users to get the optimize recommendation on the items they prefer.