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Introducing substitution-queries in distributed real-time database management systems

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2 Author(s)
Nolte, T. ; Malardalen Univ., Vasteras ; Nystrom, D.

This paper introduces query mechanisms that allow automotive control-systems (using a distributed real-time database management system (RTDBMS)) to be queried, monitored and stimulated during run-time without violating its temporal properties. The mechanisms are completely transparent to the control application since they are handled by the RTDBMS. The COMET RTDBMS is extended with ad hoc capabilities to support the introduction of subscription and substitution queries, which are used for monitoring and stimulation. These queries are intended to be used by service and calibration tools to help in the development and maintenance of modern automotive systems. Using these queries could reduce development costs, result in higher quality of the system design and consequently yield higher reliability

Published in:

Emerging Technologies and Factory Automation, 2005. ETFA 2005. 10th IEEE Conference on  (Volume:2 )

Date of Conference:

19-22 Sept. 2005