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In order to solve these problems and to enhance the efficiency of aggregate query processing in wireless sensor networks this paper proposes Bucketbased Parallel Aggregation BPA
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Previous studies propose innetwork 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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Robust and Efficient Aggregate Query Processing in Wireless Sensor Networks Article in Mobile Networks and Applications 1312212227 · April 2008 with 38 Reads How we measure reads
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In A query requesting aggregate data is injected into the sensor network at a host node also known as a sink The query is forwarded by the host to the other nodes in the network The simplest and least optimal query plan would require each node to report its own readings back to the host node for processing After receiving all data packets from the
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Data Aggregation and Query Processing in WSN IJSER 201699 · Data Aggregation and Query Processing in WSN Ayoni Mukherjee Sanjit Setua Abstract A wireless sensor network aggregation process enhances the overall efficiency of WSN
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Wireless sensor networks are application specific and necessitate the development of specific network and information processing architectures that can meet the requirements of the applications involved A common type of application for wireless sensor networks is the eventdriven reactive application which requires reactive actions to be taken in response to events
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Wireless Sensor Networks WSNs are increasingly involved in many applications However communication overhead and energy efficiency of sensor nodes are the major concerns in WSNs In addition the broadcast communication mode of WSNs makes the network vulnerable to privacy disclosure when the sensor nodes are subject to malicious behaviours
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CiteSeerX Document Details Isaac Councill Lee Giles Pradeep Teregowda Innetwork data aggregation has been recently proposed as an eective means to reduce the number of messages exchanged in wireless sensor networks Nodes of the network form an aggregation tree in which parent nodes aggregate the values received from their children and propagate the result to their own
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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
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In A query requesting aggregate data is injected into the sensor network at a host node also known as a sink The query is forwarded by the host to the other nodes in the network The simplest and least optimal query plan would require each node to report its own readings back to the host node for processing After receiving all data packets from the
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Wireless Sensor Networks WSNs are increasingly involved in many applications However communication overhead and energy efficiency of sensor nodes are the major concerns in WSNs In addition the broadcast communication mode of WSNs makes the network vulnerable to privacy disclosure when the sensor nodes are subject to malicious behaviours
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CiteSeerX Document Details Isaac Councill Lee Giles Pradeep Teregowda Innetwork data aggregation has been recently proposed as an eective means to reduce the number of messages exchanged in wireless sensor networks Nodes of the network form an aggregation tree in which parent nodes aggregate the values received from their children and propagate the result to their own
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Aggregate query processing in the presence A wireless sensor network WSN Among the previous techniques for spatiotemporal data some studies consider aggregate query processing
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query processing a run time database is maintained about a specific type of query ie how the nodes in a WSN will respond to a particular query 2 Approach Towards Query Processing Much research on query processing for Wireless Sensor Networks has done in the past few years and two major Prototype sensor network query processors have been
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Optimized Query Processing for Wireless Sensor Networks d a 1 I NTR ODUCI Recently sensor networks are used in various domains of computer applications Infinite property and scalability of them give chance to getting around information in the highest resolution that impossible in previous technologies They are used from military search to
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we introduce our model of a sensor network sensor data and the class of queries that we consider in this paper We then demonstrate our algorithms to process simple aggregate queries with innetwork aggregation Section 3 and investigate the interaction between the routing layer and the query
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niques designed for wireless sensor networks On the other side the aggregate query processing module is embedded inside the server to support aggregate query processing over anonymized locations TinyCasper system administrators can change the privacy requirement ie kanonymity requirement at anytime Finally system users can issue snap
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In wireless sensor networks users often submit spatial window aggregation queries to obtain the summary information about a local area in the monitored region for example x0022retrieving the average temperature from region Ax0022 The current stateoftheart spatial window aggregation query processing algorithms do not take sensor node failures into consideration which leads to low
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Assembling Regions for Efficacious Aggregate Query Processing in Wireless Sensor Networks by Apostolos Fertis Diploma Electrical and Computer Engineering 2003 National Technical University of Athens Submitted to the Department of Electrical Engineering and Computer Science in partial fulfillment of the requirements of
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This paper proposes a new approach to obtain optimality in distributed query processing in a wireless sensor network environment The goal of this paper is to design a scheme which supports multiple data acquisition and aggregation queries and minimizes the amount of radio transmissions average
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A wireless sensor network WSNET can support various types of queries The energy resource of sensors constrains the total number of query responses called qu
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aggregate query processing in peer to peer networks aggregate query processing in peer to peer networks Efficient Approximate Query Processing in PeertoPeer Networks AbstractPeertopeer P2P databases are becoming prevalent on the Internet for distribution and sharing of documents appliions and other digital media
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