Recently I used the Neo4j graph database in GitMoon. I have gathered some of the tricky things I learned the hard way and I recommend any Neo4j user to take a...
R. Agrawal, T. Imielinski, and A. Swami. Proceedings of the 1993 ACM SIGMOD international conference on Management of Data (SIGMOD'93), page 207--216. ACM Press, (May 1993)