New Database Management Findings from University of Manchester Discussed

March 17, 2014
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By a News Reporter-Staff News Editor at Information Technology Newsweekly — Fresh data on Database Management are presented in a new report. According to news reporting from Manchester, United Kingdom, by VerticalNews journalists, research stated, “The resource-constrained nature of mote-level wireless sensor networks (WSNs) poses challenges for the design of a general-purpose sensor network query processors (SNQPs). Existing SNQPs tend to generate query execution plans (QEPs) that are selected on the basis of a fixed, implicit expectation, for example, that energy consumption should be kept as small as possible.”

The news correspondents obtained a quote from the research from the University of Manchester, “However, in WSN applications, the same query may be subject to several, possibly conflicting, quality-of-service (QoS) expectations concomitantly (for example maximizing data acquisition rates subject to keeping energy consumption low). It is also not uncommon for the QoS expectations to change over the lifetime of a deployment (for example from low to high data acquisition rates). This paper describes optimization algorithms that respond to stated QoS expectations (about acquisition rate, delivery time, energy consumption and lifetime) when making routing, placement, and timing decisions for in-WSN query processing.”

According to the news reporters, the research concluded: “The paper shows experimentally that QoS-awareness offers significant benefits in responding to, and reconciling, diverse QoS expectations, thereby enabling QoS-aware SNQPs to generate efficient QEPs for a broader range WSN applications than has hitherto been possible.”

For more information on this research see: QoS-aware optimization of sensor network queries. VLDB Journal, 2013;22(4):495-517. VLDB Journal can be contacted at: Springer, 233 Spring St, New York, NY 10013, USA. (Springer – www.springer.com; VLDB Journal – www.springerlink.com/content/1066-8888/)

Our news journalists report that additional information may be obtained by contacting I. Galpin, University of Manchester, Sch Comp Sci, Manchester M13 9PL, Lancs, United Kingdom. Additional authors for this research include A.A.A. Fernandes and N.W. Paton.

Keywords for this news article include: Europe, Manchester, United Kingdom, Database Management

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2013, NewsRx LLC

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Originally posted 2013-08-24 08:37:05.

Article source: http://www.hispanicbusiness.com/2013/8/23/new_database_management_findings_from_university.htm

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