DPDJ - Issue 1, January 2000 Security of Data and Transaction Processing - Guest Editor's Introduction Vijayalakshmi Atluri Pierangela Samarati Rewriting Histories: Recovering from Malicious Transactions Peng Liu Paul Ammann Sushil Jajodia Secure Concurrency Control in Firm Real-Time Database Systems Binto George Jayant R. Haritsa A Secure Agent-based Framework for Internet Trading in Mobile Computing Environments Xun Yi Chee Kheong Siew Xiao Feng Wang Eiji Okamoto Providing Security and Interoperation of Heterogeneous Systems Steven Dawson Shelly Qian Pierangela Samarati Return to DPDJ Volume 8 DiSC'01 Copyright ©2002 ACM Inc.