@inproceedings{JSVaidyaKDD03, author = "Jaideep Vaidya and Chris Clifton", title = "Privacy-Preserving $K$-Means Clustering over Vertically Partitioned Data", booktitle = "The Ninth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining", address = "Washington, DC", month = aug # " 24-27", pages = "206-215", year = 2003, url = "http://doi.acm.org/10.1145/956750.956776" }