R. Agrawal, J. Gehrke, D. Gunopulos, и P. Raghavan. SIGMOD '98: Proceedings of the 1998 ACM SIGMOD International Conference on Management of Data, стр. 94-105. ACM Press, (1998)
R. Agrawal, J. Gehrke, D. Gunopulos, и P. Raghavan. SIGMOD '98: Proceedings of the 1998 ACM SIGMOD International Conference on Management of Data, стр. 94-105. ACM Press, (1998)