1. Ahn, I., Snodgrass, R. Performance Evaluation of a Temporal Database Management System, in Proceedings of ACM SIGMOD International Conference on Management of Data. Zaniolo, C. (Ed.), Association for Computing Machinery, Washington, DC, (May 1986), 96–107.
2. Ahn, I. Performance Modeling and Access Methods for Temporal Database Management Systems. Ph.D. Dissertation, Computer Science Department, University of North Carolina at Chapel Hill, (July 1986).
3. Ahn, I., Snodgrass, R. Partitioned Storage for Temporal Databases. Information Systems 13, 4 (1988), 369–391.
4. Ahn, I., Snodgrass, R. Performance Analysis of Temporal Queries. Information Sciences 49 (1989), 103–146.
5. Allen, J.F., Hayes, P.J. A Common-Sense Theory of Time, in Proceedings of the International Joint Conference on Artificial Intelligence. Los Angeles, CA, (August 1985), 528–531.