Riassunto
Real-time systems are defined as those for which correctness depends not only on the logical properties of the produced results, but also on the temporal properties of these results. In a database, real-time means that in addition to typical logical consistency constraints, such as a constraint on a data item's value, there are constraints on when transactions execute and on the `freshness' of the data transactions access.
The challenges and tradeoffs faced by the designers of real-time database systems are quite different from those faced by the designers of general-purpose database systems. To achieve the fundamental requirements of timeliness and predictability, not only do conventional methods for scheduling and transaction management have to be redesigned, but also new concepts that have not been considered in conventional database systems or in real-time systems need to be added. Real-Time Database and Information Systems: Research Advances is devoted to new techniques for scheduling of transactions, concurrency management, transaction logging, database languages, and new distributed database architectures.
Real-Time Database and Information Systems: Research Advances is primarily intended for practicing engineers and researchers working in the growing area of real-time database and information retrieval systems. For practitioners, the book will provide a much needed bridge for technology transfer and continued education. For researchers, the book will provide a comprehensive reference for well-established results. The book can also be used in a senior or graduate level course on real-time systems, real-time database systems, and database systems, or closely related courses.
Contenuti
Section I: Applications. 1. Real-Time Mutable Broadcast Disks; S.K. Barwah, A. Bestavros. 2. Real-Time Data and Coordination Control for Reconfigurable Manufacturing Systems; M. Tayara, et al. 3. File Layout Design of VBR Video on Zoned-Disks; Yu-Chung Wang, et al. 4. A Framework for Using Redundant Data to Optimize Read-Intensive Database Applications; T. Griffin, et al. 5. Object-Oriented Data Management and Distribution for Real-Time Command and Control Systems; R. Ginis, et al. Section II: Scheduling. 6. Integrating Fixed Priority and Static Scheduling for External Consistency; W. Albrecht, D. Zöbel. 7. Scheduling Nested Transactions in Real-Time Database Systems; E. Dogammadu, G. Özsoyogammalu. 8. Data State Dependent Approach for Criticality Assignment in Real-Time Active Databases; Kam-yiu Lam, et al. 9. Towards Unifying Database Scheduling and Concurrency Control: A Frontier Approach; G. Jones, et al. Section III: Concurrency Management. 10. A Study of Priority Cognizance in Conflict Resolution for Firm Real Time Database Systems; A. Datta, et al. 11. A Performance Study of the Semantic-Based Concurrency Control Protocol in Air Traffic Control Systems; Ching-Shan Peng, et al. 12. Enhancement of Alternative Version Concurrency Control Using Dynamic Adjustment of Serialization Order; Inho Yoon, Seog Park. 13. Concurrency Control for Approximate Query Processing of Real-Time Database Systems; S.V. Vrbsky, et al. 14. Implementing Hard Real-Time Transactions on Multiprocessors;J.H. Anderson, et al. 15. Concurrency Admission Control for RT Databases; S. Nagy, A. Bestravos. Section IV: Languages. 16. Standardizing Real-Time Databases &endash; RTSQL; J.J. Prichard, P. Fortier. 17. Optimizing Performance-Polymorphic Declarative Database Queries; T. Padron-McCarthy, T. Risch. 18. Specification and Analysis of Transactions in Real-Time Active Databases; Ming Xiong, K. Ramamritham. Section V: Logging and Recovery. 19. Transaction Processing in the Rodain Real-Time Database System; J. Kiviniemi, et al. 20. A Logging Technique Based on Transaction Types for Real-Time Databases; Le Gruenwald, Shih Jen Cheng. Section VI: Architectures. 21. A Case for Real-Time Client-Server Databases; V. Kanitkar, A. Delis. 22. BeeHive: Global Multimedia Database Support for Dependable, Real-Time Applications; J. Stankovic, et al. Index.
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