aggregate query processing sensor networks

Sensor network applications rely heavily on aggregate queries. Queries are also considered a natural way for users to interact with the sensor network [23]. Therefore, several studies have been carried toward (aggregate) query processing in sensor networks [20,21,23]. The common approach to query processing in sensor networks has two phases.


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Aggregate query processing in the presence of duplicates ...

Aggregate query processing in the presence of duplicates in wireless sensor networks. Author links open overlay panel Jun-Ki Min a Raymond T. Ng b Kyuseok Shim c. ... In WSNs with such sensors, an object may be detected by several sensor nodes and processing of aggregate queries (such as COUNT, SUM and AVERAGE) becomes problematic since an ...


aggregate query processing in sensor networks - YouTube

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aggregate query processing in sensor networks

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Processing approximate aggregate queries in wireless ...

Processing approximate aggregate queries in wireless sensor networks ... While the nodes in sensor networks form an aggregation tree where messages are aggregated and, therefore, ... Y. Yao, J. GehrkeThe Cougar approach to in-network query processing in sensor networks.


Interplay of processing and routing in aggregate query ...

Interplay of processing and routing in aggregate query optimization for sensor networks Niki Trigoni Alexandre Guitton Antonios Skordylis Computing Laboratory, University of Oxford, Oxford OX1 3QD, UK Abstract. This paper presents a novel approach to processing continuous aggre-


aggregate query processing in sensor networks

Query Processing for Sensor Networks - Cornell Universitylayer for sensor networks; we call the component of the system that is located on each sensor node the


aggregate query processing in sensor networks

aggregate query processing sensor networks. Processing approximate aggregate queries in wireless, In-network data aggregation has been recently proposed as an effective 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 ...


(PDF) Processing approximate aggregate queries in wireless ...

Processing Approximate Aggregate Queries in Wireless Sensor Networks Antonios Deligiannakis a Yannis Kotidis b Nick Roussopoulos a a University of Maryland b AT&T Labs-Research Abstract In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks.


aggregate query processing in sensor networks

Routing and processing multiple aggregate queries in ... Poster Abstract: Routing and Processing Multiple Aggregate Queries in Sensor Networks Niki Trigoni Alexandre Guitton Antonios Skordylis Birkbeck College, University of London, London WC1E 7HX, United Kingdom {niki,alexandre,adonis} Abstract We present a novel approach to processing continuous aggregate queries in sensor networks…


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Aggregate Queries in Wireless Sensor Networks. in-network aggregate query processing techniques propose routing algorithms and data ... is being made actively for utilizing wireless sensor n. Performance Evaluation 4.1. ... Chat Online


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Interplay of Processing and Routing in Aggregate Query ...

PDF | 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 workload and a special ...


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Processing approximate aggregate queries in wireless ...

In-network data aggregation has been recently proposed as an effective 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 …


Interplay of Processing and Routing in Aggregate Query ...

Interplay of processing and routing in aggregate query optimization for sensor networks Niki Trigoni Alexandre Guitton Antonios Skordylis Computing Laboratory, University of …


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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) National Technical University of Athens Submitted to the Department of Electrical Engineering and Computer Science in partial fulfillment of the requirements of


Aggregate Location Monitoring for Wireless Sensor Networks ...

components, wireless sensor network and aggregate query processor. A third major component that is not shown in the figure is a resource-efficient sensor scheduler that is responsible on tuning a trade-off between energy and bandwidth consumption of the wireless sensor network and the accuracy of the answers provided by the aggregate query ...