P. Singer, D. Helic, A. Hotho, и M. Strohmaier. International Conference on World Wide Web, стр. 1003--1013. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2015)
A. Noulas, S. Scellato, N. Lathia, и C. Mascolo. Proceedings of the 2012 IEEE 12th International Conference on Data Mining, стр. 1038--1043. Washington, DC, USA, IEEE Computer Society, (2012)