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Specification and M...
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Amirijoo, MehdiLinköpings universitet,RTSLAB - Laboratoriet för realtidssystem,Tekniska högskolan
(författare)
Specification and Management of QoS in Real-Time Databases Supporting Imprecise Computations
- Artikel/kapitelEngelska2006
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:liu-12635
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-12635URI
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https://doi.org/10.1109/TC.2006.45DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Real-time applications such as e-commerce, flight control, chemical and nuclear control, and telecommunication are becoming increasingly sophisticated in their data needs, resulting in greater demands for real-time data services that are provided by real-time databases. Since the workload of real-time databases cannot be precisely predicted, they can become overloaded and thereby cause temporal violations, resulting in damage or even a catastrophe. Imprecise computation techniques address this problem and allow graceful degradation during overloads. In this paper, we present a framework for QoS specification and management consisting of a model for expressing QoS requirements, an architecture based on feedback control scheduling, and a set of algorithms implementing different policies and behaviors. Our approach gives a robust and controlled behavior of real-time databases, even for transient overloads and with inaccurate runtime estimates of the transactions. Further, performance experiments show that the proposed algorithms outperform a set of baseline algorithms that uses feedback control.
Ämnesord och genrebeteckningar
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Real-time and embedded systems
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real-time data services
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imprecise computation
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feedback control
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modeling techniques
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TECHNOLOGY
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TEKNIKVETENSKAP
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Hansson, JörgenLinköpings universitet,RTSLAB - Laboratoriet för realtidssystem,Tekniska högskolan(Swepub:liu)jorha94
(författare)
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Son, Sang H.Dept. of Computer Science, University of Virginia, Charlottesville, USA
(författare)
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Linköpings universitetRTSLAB - Laboratoriet för realtidssystem
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:IEEE Transactions on Computers55:3, s. 304-3190018-93401557-9956
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