Graphity: Retrieving the Top 10K News Feeds per second with Neo4j
René Pickhardt, Webscience PhD student, University of Koblenz, presented at FOSDEM 2012 Graphity, a system which dynamically retrieve more than 10,000 temporal ordered news feeds per second in social networks with millions of users like Facebook and Twitter by using graph data bases (like neo4j)
Read the full article.More about Graphity.