Ching, Avery (August 14, 2013). "Scaling Apache Giraph to a trillion edges". Facebook. Retrieved 8 February 2014. https://www.facebook.com/notes/facebook-engineering/scaling-apache-giraph-to-a-trillion-edges/10151617006153920
Jackson, Joab (Aug 14, 2013). "Facebook's Graph Search puts Apache Giraph on the map". PC World. Retrieved 8 February 2014. http://www.pcworld.com/article/2046680/facebooks-graph-search-puts-apache-giraph-on-the-map.html
Harris, Derrick (Aug 14, 2013). "Facebook's trillion-edge, Hadoop-based and open source graph-processing engine". Gigaom. Retrieved 8 February 2014. http://gigaom.com/2013/08/14/facebooks-trillion-edge-hadoop-based-graph-processing-engine/
"Apache Giraph - Apache Attic". https://attic.apache.org/projects/giraph.html