R. White, M. Bilenko, и S. Cucerzan. Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, стр. 159--166. ACM, (2007)
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)
T. Yan, D. Chu, D. Ganesan, A. Kansal, и J. Liu. International Conference on Mobile Systems, Applications, and Services, стр. 113--126. New York, NY, USA, ACM, (2012)