InfiniteGraph Meets StackOverflow

InfiniteGraph, which just recently release version 1.0, has a post on their blog in which they model the popular Q+A site StackOverflow in a graph database. How do you model Q+A in a graph database?

The vertices in the graph are represented as the Users, Questions and Answers above while the edges are represented as the interactions between them (i.e. a User “Posts” a Question,  an Answer is “For” a Question, a User “Comments On” a Question or Answer).  Simple enough, and like most other social graphs, users seem to be the focal points with the majority of connected edges.

While a deviation from the traditional graph database example of Facebook or Twitter graphs, it's a useful deviation that demonstrates the power and flexibility of the graph database.

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