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Abstract
Temibase is an intelligent temporal database management system which has been developed by integrating Knowledge Engineering techniques with temporal relational database management systems and this system has a special subsystem to perform temporal reasoning. The main difference between commercial database systems and TEMIBASE is its ability to perform temporal data management and temporal reasoning. In this paper, we explain the query language ETSQL (Extended Temporal Structured Query Language) which has been designed for querying TEMIBASE. ETSQL has been developed by extending the commercial query language SQL in which interval and instant operations are provided as extension. Moreover, this language provides special constructs for invoking the temporal reasoning tasks forecasting, explanation, planning and learning new rules.
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Notes on contributors
A Kannan
A Kannan, has completed his MSc in Mathematics from Annamalai University in 1986, ME in Computer Science and Engineering from Anna University in 1991 and PhD in Computer Science and Engineering from College of Engineering, Anna University, Chennai in 2000. He had been with BARC, Bombay as a Computer Programmer from 1981 August to 1989 March. He had been working as a Lecturer at Anna University from 1991 September to 2000 November. From 2000 December, he is working as an Assistant Professor in the School of Computer Science and Engineering, Anna University. His areas of interest include Database Management systems, Knowledge Engineering and object-oriented systems. He has published over 15 papers in journals and conferences.
T V Geetha
T V Geetha, has completed her BE in Electronics and Communication Engineering in 1983, ME in Computer Science and Engineering in 1986 and PhD from College of Engineering, Anna University, Chennai. Currently she is working as a Professor in the School of Computer Science and Engineering, Anna University. Her areas of interest include Natural Language Processing, Indian Languages on Internet, Artificial Intelligence, Intelligent Databases and Distributed Systems. She is awarded the young scientist award for the year 2001 by the Government of Tamil Nadu. She is the author of more than 40 papers in journals and conferences.
M Marikkannan
M Marikkannan has completed his BE in Computer Engineering from Government College of Engineering, Tirunelveli in 1994, ME Computer Science and Engineering from Anna University in January 1999, Chennai. He has more than five years experience in the teaching field. Currently, he is working as a Senior Lecturer in R M K Engineering College, Kavaraipettai, Tamil Nadu. His areas of interest includeTemporal Database Management System and Object-oriented Sysyems. He has published 3 papers in journals and conferences.