K. Berberich, S. Bedathur, G. Weikum, and M. Vazirgiannis. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 1145--1146. New York, NY, USA, ACM Press, (2007)
A. Gubichev, S. Bedathur, and S. Seufert. First International Workshop on Graph Data Management Experiences and Systems, New York, NY, USA, ACM, (2013)