van Leeuwen, Erik Jan Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Johnson, M., Paulusma, D., & van Leeuwen, E. J. (2015). Algorithms to Measure Diversity and Clustering in Social Networks through Dot Product Graphs. Social Networks, 41, 48-55. doi:10.1016/j.socnet.2015.01.001.