Poducts>an aggregate query processing system for wireless network

an aggregate query processing system for wireless network

  • Processing approximate aggregate queries in wireless

    Dec 01, 2006· Consider a node Root, which initiates a continuous query over the values observed by a set of data sources, and requests that the results of this query be reported to it at regular time periods.The time interval between two such consecutive time periods is referred to as the epoch of the query. The continuous query is disseminated through the network in search of the sensor nodes that

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  • Optimizing in-network aggregate queries in wireless sensor

    Jul 01, 2011· Previous studies propose in-network aggregate query processing, in which sensor nodes use aggregate operators to reduce the number of messages, thereby conserving energy . When multiple aggregate queries are submitted to wireless sensor networks, it is possible to generate the intermediate results of these queries.

  • Cited by: 11
  • An adaptive in-network aggregation operator for query

    An adaptive in-network aggregation operator for query processing in wireless sensor networks

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  • DATA AGGREGATION USING PROBABILITY THEORY FOR

    Fig. 2. Data Processing in WSN Network aggregation and query processing generally involve query propagation and data aggregation. To load a query into a sensor node in WSN, an efficient network structure and data aggregation algorithm has to be established.

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  • Assembling Regions for Efficacious Aggregate Query

    Assembling Regions for Efficacious Aggregate Query Processing in Wireless Sensor Networks by Apostolos Fertis Diploma, Electrical and Computer Engineering (2003) submitted to the network. The query asks for an aggregate over the measurements. The propagation implement wireless communication with radios and carry out

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  • TinyDB: An Acquisitional Query Processing System for

    strive to process that data as energy-efficiently as possible. Typical strategies include min-imizing expensive communication by applying aggregation and filtering operations inside the sensor network – strategies that are similar to push-down techniques from distributed query processing that emphasize moving queries to data.

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  • Data Aggregation in Wireless Sensor Network: A Survey

    Keywords: Data Aggregation, Wireless sensor network, security. 1. Introduction Data aggregation is the process of collecting and aggregating the useful data. Data aggregation is considered as one of the fundamental processing procedures for saving the energy. In WSN data aggregation is an effective way to save the limited resources.

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  • Query Processing for Sensor Networks

    tural components of such a query layer, con-centrating on in-network aggregation, interac-tion of in-network aggregation with the wire-less routing protocol, and distributed query processing. Initial simulation experiments with the ns-2 network simulator show the tradeoffs of our system. 1 Introduction Recent developments in hardware have

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  • Query Processing in Wireless Sensor Network

    Query Processing in Wireless Sensor Network 5 Hence in the whole pretext described above we can only make a result out of the following that without proper set of protocols and various other systems the query processing cannot be used in the wireless system networks. 3. ConclusionsОнлайн-запрос

  • Aggregation Network an overview | ScienceDirect Topics

    Jun 14, 2016· 5.1 In-Network Aggregation Techniques and Data Integration Components. In-network aggregation is an important concept in both big data management and WSNs. In WSNs, as discussed in Section 2.2, many in-network aggregation approaches are well developed. The main goal is to save more energy for WSNs.

  • Mobile Backhaul an overview | ScienceDirect TopicsJun 14, 2016Modulation FormatOct 02, 2012Integration MethodAug 02, 2010Integration OperatorJun 08, 2010查看更多结果
  • Robust and Efficient Aggregate Query Processing in

    Wireless sensor networks have been widely used in many applications, such as soil temperature monitoring for plant growth and abnormal event detection of industrial parameters. Among these applications, aggregate queries, such as SUM, COUNT, AVERAGE, MIN and MAX are often used to collect statistical data.Онлайн-запрос

  • Robust and Efficient Aggregate Query Processing in

    Robust and Efficient Aggregate Query Processing in Wireless Sensor Networks Article in Mobile Networks and Applications 13(1-2):212-227 · April 2008 with 38 Reads How we measure 'reads'Онлайн-запрос

  • An adaptive in-network aggregation operator for query

    Mar 01, 2008· Adaptive query operators (algorithms) can adjust their behavior in response to specific events that take place during data processing. In this paper, we propose an adaptive in-network aggregation operator for query processing in sensor nodes of a WSN, called ADAGA (ADaptive AGgregation Algorithm for sensor networks).Онлайн-запрос

  • Aggregate Query Processing In Wireless Sensor Network

    Data Aggregation and Query Processing in WSN. Data Aggregation and Query Processing in WSN Ayoni Mukherjee , Sanjit Setua Abstract A wireless sensor network (WSN) has a wide range of important applications such as remote environment monitoring , target tracking etc.Онлайн-запрос

  • aggregate query processing in wireless sensor network

    Wireless sensor network, query processing, privacy protection, spatial range aggregation query Date received: 29 January 2019; accepted: 27 May 2019 Handling Editor: Weizhi Meng Introduction A wireless sensor network (WSN) is a multihop self-organizing network composed of multiple sensor nodes. An important feature of a WSN is data-centricity, andОнлайн-запрос

  • (PDF) In-network multi-sensors query aggregation algorithm

    PDF | On Mar 1, 2018, Hua Yan and others published In-network multi-sensors query aggregation algorithm for wireless sensor networks database | Find, read and cite all the research you need onОнлайн-запрос

  • aggregate query processing in wireless sensor networ

    Aggregate Location Monitoring for Wireless Sensor locationbased query processing in wireless sensor networks. However, since all previous works in this area rely on users’ exact locations and/or identities, none of these works consider query processing over aggregate location data.Онлайн-запрос

  • Aggregate query processing in the presence of duplicates

    Mar 10, 2015· These studies assume that mobile objects are stored in a local disk and thus such techniques do not consider the efficiency of energy consumption for aggregate query processing. 7. Conclusions. In this paper, we study collaborative in-network aggregation in the presence of duplicates.Онлайн-запрос

  • Aggregate Query Processing In Peer To Peer Networks With

    Aggregate Query Processing In Peer To Peer Networks With Synopsis &#; tributed, usually over large peer-to-peer (p2p) networks on the internet. the deployment of an xml query shipping system over p2p networks requires a special-ized synopsis to capture xml data in routing tables. in this paper, we propose a novel eigenvalue-based routing synopsis for deployment over unstructured p2p net-works.

  • [PDF]
  • Data Aggregation in Wireless Sensor Network: A Survey

    Keywords: Data Aggregation, Wireless sensor network, security. 1. Introduction Data aggregation is the process of collecting and aggregating the useful data. Data aggregation is considered as one of the fundamental processing procedures for saving the energy. In WSN data aggregation is an effective way to save the limited resources.

  • [PDF]
  • TinyDB: An Acquisitional Query Processing System for

    strive to process that data as energy-efficiently as possible. Typical strategies include min-imizing expensive communication by applying aggregation and filtering operations inside the sensor network – strategies that are similar to push-down techniques from distributed query processing that emphasize moving queries to data.Онлайн-запрос

  • Data Aggregation and Query Processing in WSN

    The design of a WSN depends significantly on the application, and it considers factors like the environment, the application's design objectives, cost, hardware and system constraints. The goal of our work is to present a comprehensive approach of cluster based data aggregation and processing of various aggregation queries in WSN.Онлайн-запрос

  • Aggregate Query Processing In Peer To Peer Networks

    Accuracy Of Aggregation In Peer To Peer Dbmss. Abstract. Peer-to-peer routing mechanisms are resilient to churn in the overlay network layer. A major challenge for peer-to-peer database man-agement systems is to provide similar robustness in the data and query processing layer.Онлайн-запрос

  • Aggregate Query Processing In Peer To Peer Source Code In

    2016620location monitoring system aggregate query processing. 1.INTRODUCTION In the provisions of system structural design present spatial cloaking techniques would be classified into centralied peertopeer and distributed looms. In common the centralied loom suffers from theОнлайн-запрос

  • Optimizing in-network aggregate queries in wireless sensor

    Jul 01, 2011· Previous studies propose in-network aggregate query processing, in which sensor nodes use aggregate operators to reduce the number of messages, thereby conserving energy . When multiple aggregate queries are submitted to wireless sensor networks, it is possible to generate the intermediate results of these queries.

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  • Processing Approximate Aggregate Queries in Wireless

    routing [4, 26] and in-network query processing [14, 15, 16, 28]. A survey of the applications and the challenges that sensor networks introduce is presented in [10]. For monitoring queries that aggregate the observed values from a group of sensor nodes, [14] suggested the construction of a greedy aggregation tree that seeks to maximize theОнлайн-запрос

  • Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor

    Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks. Previous Chapter Next Chapter. ABSTRACT. We show how the database community's notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the sensor network literature, aggregation is important as a dataОнлайн-запрос

  • An Energy-Efficient In-Network Aggregation Query Algorithm

    Moreover, in [13], a distributed processing of spatio-temporal queries in sensor network is introduced, which also solves the problem of energy consumption by applying aggregation and alternative

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  • Histogram and Other Aggregate Queries in Wireless Sensor

    A typical Wireless Sensor Network (WSN) consists of base station is a full-fledged computer system with light limitations on memory, CPU, or bandwidth. query is an aggregate query, whichОнлайн-запрос

  • Voronoi-based aggregate nearest neighbor query processing

    Aggregate nearest neighbor (ANN) query returns a common interesting data object that minimizes an aggregate distance for multiple query points. In this paper, we propose a novel approach to efficiently process ANN queries in road networks.

  • [PDF]
  • DATA AGGREGATION USING PROBABILITY THEORY FOR

    Fig. 2. Data Processing in WSN Network aggregation and query processing generally involve query propagation and data aggregation. To load a query into a sensor node in WSN, an efficient network structure and data aggregation algorithm has to be established.Онлайн-запрос

  • SDAMQ: Secure Data Aggregation for Multiple Queries in

    Jan 01, 2016· Hence secure aggregation of data belonging to different queries into a single aggregated packet is a challenging task. 4.2 System model and assumptions This section discusses the network model and attack model and the assumptions made in designing the algorithm. 4.2.1 Network model The Wireless Sensor Network consists of N sensor nodes randomlyОнлайн-запрос

  • Interplay of Processing and Routing in Aggregate Query

    Jan 05, 2008· This paper presents a novel approach to processing continuous aggregate queries in sensor networks, which lifts the assumption of tree-based routing. Given a query

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  • Query Processing in Wireless Sensor Network

    Query Processing in Wireless Sensor Network 5 Hence in the whole pretext described above we can only make a result out of the following that without proper set of protocols and various other systems the query processing cannot be used in the wireless system networks. 3. Conclusions

  • [PDF]
  • Robust Aggregation in Sensor Networks

    In-network Aggregate Query Processing: A simple approach to evaluate an aggregation query is to reliably route all sensed values to the base station and compute the aggregate there. Although this approach is simple, the number of messages and the power consumption can be large. A better approach is to leverage the computational

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  • A Dynamic Data Aggregation Scheme for Wireless Sensor

    use of in-network processing and data aggregation all of which would improve overall system performance. Keywords— Wireless Layered data aggregation allows the response to a query

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  • Energy-Efficient Aggregate Query Evaluation in Wireless

    Such in-network aggregation can dramatically decrease the number of massages transmitted through pushing the partial computation tasks from the base station into the intermediate nodes, so has been used as a paradigm in energy-constrained wireless sensor networks. To process an aggregate query, in-network aggregation consists ofОнлайн-запрос

  • Processing Multiple Aggregation Queries in Geo-Sensor

    Aggregate query processing in sensor networks is an orthogonal topic to our discussion. Quite a few papers from the database community have been addressing techniques and solutions for this topic