Publications

Books

• K. Ramamritham, N. Soparkar, DART'96 - Databases: Active and Real-Time (Concepts meet Practice), ACM, November 1996.

• K. Ramamritham and P. Chrysanthis, Advances in Concurrency Control and Transaction Processing , IEEE Computer Society Press, September 1996, 120 pages.

Book Chapters

• M. Xiong, K. Ramamritham, Specification and Analysis of Transactions in Real-Time Active Databases, Real-Time Database and Information Systems: Research Advances, Azer Bestavros and Victor Fay-Wolfe ed., Kluwer Academic Publishers, pp. 327-354, 1997.

• M. Xiong, R. Sivasankaran, K. Ramamritham, J.A. Stankovic and D. Towsley, Scheduling Access to Temporal Data in Real-Time Databases, Real-Time Database Systems: Issues and Applications, Sang H. Son, Kwei-Jay Lin and Azer Bestavros ed., Kluwer Academic Publishers, pp. 167-191, 1997.

• S. Sen, O. Gonzalez, K. Ramamritham, J.A. Stankovic, C. Shen, and M. Takegaki, Multimedia Capabilities in Distributed Real-Time Applications, in Real-Time Database Systems: Issues and Applications, Sang H. Son, Kwei-Jay Lin and Azer Bestavros ed., Kluwer Academic Publishers, 1997.

• J. Shanmugasundaram, A. Nithrakashyap, J. Padhye, R. Sivasankaran, M. Xiong and K. Ramamritham, Transaction Processing in Broadcast Disk Environments, in Advanced Transaction Models and Architectures, S. Jajodia and L. Kerschberg ed., Kluwer Academic Publishers, 1997, pp. 321-338.

• P. O'Neil, K. Ramamritham, C. Pu, A Two-Phase Approach to Predictably Scheduling Real-Time Transactions, Chapter 18, Performance of Concurrency Control Mechanisms in Centralized Database Systems, V. Kumar (ed.), Prentice-Hall, Sep 1995, pp. 494-522.

• B. Purimetla, R. Sivasankaran, K. Ramamritham and J. A. Stankovic, Real-Time Databases: Issues and Applications, in Principles of Real-Time Systems, Sang Son, Ed. Prentice-Hall, 1994, pp. 487-507.

• J.A. Stankovic, K. Ramamritham, D. Towsley, Scheduling in Real-Time Transaction Systems, Chapter in Foundations of Real-Time Computing: Scheduling and Resource Allocation, edited by Andre van Tilborg and Gary Koob, Kluwer Academic Publishers, pp. 157-84, 1991.

Journal Publications

• J. R. Haritsa, and K. Ramamritham, Real-Time Databases in the New Millenium Real-Time Systems, 2000.

• J. Haritsa, K. Ramamritham, and R. Gupta. The PROMPT Real-Time Commit Protocol, IEEE Transactions on Parallel and Distributed Systems, pp. 160-181, Vol 11, Number 2, February 2000.

• K. Ramamritham, Where do Time Constraints Come From and Where Do They Go? International Journal of Database Management (invited paper), Vol. 7, No. 2, Spring 1996, pp. 4-10.

• R. Sivasankaran, J.A. Stankovic, D. Towsley, B. Purimetla, and K. Ramamritham, Priority Assignment in Real-Time Active Databases, VLDB Journal, Vol. 5, No. 1, pp. 19-34, 1996.

• K. Ramamritham, Real-Time Databases, (invited paper) International Journal of Distributed and Parallel Databases 1 (1993), pp. 199-226, 1993.

• R.F.M. Aranha, V. Ganti, S. Narayanan, C.R. Muthukrishnan, S.T.S. Prasad and K. Ramamritham, Implementation of a Real-Time Database System, Information Systems, Volume 21, Number 1, March 1996.

• J. Huang, J.A. Stankovic, K. Ramamritham, D. Towsley, B. Purimetla, On Using Priority Inheritance in Real-Time Databases, Special Issue of Real-Time Systems Journal on Real-Time Databases, Vol. 4, No. 3, September, 1992, pp. 243-68.

• Chen, J.A. Stankovic, J. Kurose, D. Towsley, Performance Evaluation of Two New Disk Scheduling Algorithms for Real-Time Systems, Real-Time Systems Journal, Vol. 3, #3, 1991, pp. 307-336.

Conference and Workshop Publications

• V. Vinay, and Krithi Ramamritham, Scheduling Algorithms for the Broadcast Delivery of Multimedia Products, Second International Workshop on Advanced Issues of E-Commerce and Web-Based Information Systems, June 2000.

• Ming Xiong, Krithi Ramamritham, Jayant Haritsa, John A. Stankovic, MIRROR: A State-Conscious Concurrency Control Protocol for Replicated Real-Time Databases, the 5th IEEE Real-Time Technology and Applications Symposium (RTAS'99), Vancouver, Canada, 1999.

• Ming Xiong, Krithi Ramamritham, Jayant Haritsa, John A. Stankovic, MIRROR: A State-Conscious Concurrency Control Protocol for Replicated Real-Time Databases, International Workshop on Advance Issues of E-Commerce and Web-based Information Systems (WECWIS'99), Santa Clara, California, 1999. A detailed version of this paper appears in RTAS'99.

• Raghav Srinivasan, Chao Liang, and K. Ramamritham, Maintaining Temporal Coherency of Virtual Warehouses (abstract). The 19th IEEE Real-Time Systems Symposium (RTSS98), Madrid, Spain, December 2-4, 1998.
• R. Gupta, J. Haritsa, K. Ramamritham, More Optimism about Real-Time Distributed Commit Processing, 18th IEEE Real-Time Systems Symposium, 1997, San Francisco, California.

• M. Xiong, R. Sivasankaran, K. Ramamritham, J.A. Stankovic and D. Towsley, Scheduling Transactions with Temporal Constraints: Exploiting Data Semantics, 17th IEEE Real-Time Systems Symposium, 1996, Washington, DC.

• R. Gupta, J. Haritsa, K. Ramamritham and Seshadri, Commit Processing in Distributed Real-Time Database Systems, 17th IEEE Real-Time Systems Symposium, 1996, Washington, DC.

• M. Xiong, K. Ramamritham, J.A. Stankovic D. Towsley and R. Sivasankaran, Maintaining Temporal Consistency: Issues and Algorithms, First International Workshop on Real-Time Databases, March 1996, Newport Beach, California.

• R. Sivasankaran, K. Ramamritham, J.A. Stankovic and D. Towsley, Data Placement, Logging and Recovery in Real-Time Active Databases, ARTDB-95, Skovde, Sweden, 1995, Workshops in Computing, Mikael Berndtsson and Jorden Hansoon (Eds), pp. 226-41.

• M. Kamath, K. Ramamritham and D. Towsley, Continuous Media Sharing in Multimedia Database Systems, Fourth International Conference on Database Systems for Advanced Applications (DASFAA'95), Singapore, pp. 79-86.

• K. Ramamritham, Time for Real-Time Temporal Databases? Proceedings of the International Workshop on an Infrastructure for Temporal Databases, June 1993,

• R. Sivasankaran, Purimetla, J.A. Stankovic, K. Ramamritham, Network Services Database - A Distributed Active Real-Time Database(DARTDB) Application, Proceedings First IEEE Workshop on Real-Time Applications, May 1993.

• Purimetla, R. Sivasankaran, J.A. Stankovic, K. Ramamritham, A Study of Distributed Real-Time Active Database Applications, IEEE Workshop on Parallel and Distributed Real-Time Systems, April 1993.

• J. Huang, J.A. Stankovic, D. Towsley, K. Ramamritham, Experimental Evaluation of Real-Time Optimistic Concurrency Control Schemes, VLDB, September, 1991, Barcelona, Spain.

• J. Huang, J.A. Stankovic, K. Ramamritham, D. Towsley, On Using Priority Inheritance in Real-Time Databases, Real-Time Systems Symposium, 1991.

• J. Huang, J.A. Stankovic, D. Towsley, K. Ramamritham, Experimental Evaluation of Real-Time Transaction Processing, IEEE 10th Real-Time Systems Symposium, December 1989.

Doctoral Theses

Other Recent Reports

• Jesus Fernandez, Krithi Ramamritham, Adaptive Dissemination of Data in Real-Time Asymmetric Communication Environments, submitted for publication, 1998.

• Ming Xiong, Krithi Ramamritham, Jayant Haritsa, John A. Stankovic, MIRROR: A State-Conscious Concurrency Control Protocol for Replicated Real-Time Databases, Technical Report 98-36, Dept. of Computer Science, University of Massachusetts Amherst, 1998.

• K. Ramamritham, R. Sivasankaran, J.A. Stankovic and D. Towsley and M. Xiong, Integrating Temporal, Real-Time, and Active Databases, SIGMOD Record, Vol. 25, No. 1, March 1996, pp. 8-12.

• R. Sivasankaran and B. Purimetla, Design of RADEx - Real-time active Database Experimental System.

• J. Huang, J.A. Stankovic, An Integrated Real-Time Data Management Architecture for Industrial Control Systems, TR93-08, 1993.

• J. Huang, J.A. Stankovic, Buffer Management in Real-Time Databases, TR90-65, 1990.

• J.A. Stankovic, W. Zhao, On Real-Time Transactions, ACM Sigmod Record, March 1988.