G. Feng, T. Liu, Y. Wang, Y. Bao, Z. Ma, X. Zhang, и W. Ma. SIGIR '06: Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval, стр. 75--82. New York, NY, USA, ACM Press, (2006)
X. Xu, N. Yuruk, Z. Feng, и T. Schweiger. KDD '07: Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 824--833. New York, NY, USA, ACM, (2007)
N. Kuicheu, W. Ning, F. Narcisse, X. De, и F. Siewe. Information Science and Engineering (ICISE), 2009 1st International Conference on, стр. 2288 -2291. (декабря 2009)
L. Stenneth, O. Wolfson, P. Yu, и B. Xu. Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, стр. 54--63. New York, NY, USA, ACM, (2011)
Y. Wu, Y. Yao, F. Xu, H. Tong, и J. Lu. Proceedings of the 25th ACM International on Conference on Information and Knowledge Management, стр. 2287--2292. New York, NY, USA, ACM, (2016)