NDLI: A transaction scheduling algorithm with temporal constraints in real-time database systems

Content Provider	IEEE Xplore Digital Library
Author	Jian-Jun Han Qing-Hua Li
Copyright Year	2004
Description	Author affiliation: Sch. of Comput. Sci. & Technol., Huzhong Univ. of Sci. & Technol., Wuhan, China (Jian-Jun Han; Qing-Hua Li)
Abstract	Temporal data object accessed by transactions of real-time database systems have been applied in diverse domains. However, almost all of the current transaction scheduling algorithms so far only take logic consistency of object into account, while ignoring temporal consistency. This paper presents the concept of temporary deadline, and proves the feasibility of low-cost predictive algorithm in the form of theorem in order to abort or postpone those transactions that cannot satisfy temporal consistency as soon as possible, therefore, computation resources are saved to accommodate for other transactions. A new transaction scheduling algorithm with temporal constraints, called TDDBPA (temporary data deadline-based predictive algorithm) is proposed based on strategies mentioned above in this paper. The simulation results show that performance of our algorithm significantly outperforms that of well-known algorithms so far.
Sponsorship	Wuhan Univ. Univ. of Aizu, Japan Nat. Natural Sci. Found. China IEEE Eng. in Medicine and Biology Soc
Starting Page	940
Ending Page	945
File Size	253248
Page Count	6
File Format	PDF
ISBN	0769522165
DOI	10.1109/CIT.2004.1357317
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Computer science Computational modeling Prediction algorithms Database systems Concurrency control Transaction databases Logic Time factors Scheduling algorithm
Content Type	Text
Resource Type	Article

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