F. Figueiredo, B. Ribeiro, J. Almeida, and C. Faloutsos. International Conference on World Wide Web, page 695--706. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2016)
I. Cadez, D. Heckerman, C. Meek, P. Smyth, and S. White. Proceedings of the sixth ACM SIGKDD international conference on Knowledge discovery and data mining, page 280--284. ACM, (2000)
A. Asahara, K. Maruyama, A. Sato, and K. Seto. International Conference on Advances in Geographic Information Systems (SIGSPATIAL), page 25--33. New York, NY, USA, ACM, (2011)