aggregate query processing in sensor networks

TinyDB: An Acquisitional Query Processing System for

2007-10-25 · TinyDB: An Acquisitional Query Processing System for Sensor Networks R. MADDEN Massachusetts Institute of Technology MICHAEL J. FRANKLIN and JOSEPH M. HELLERSTEIN University of California, Berkeley and WEI HONG Intel Research We discuss the design of an acquisitional query processor for data collection in sensor networks. Ac-

2006-2-22 · Distributed data storage for wireless sensor networks has been investigated in the literature [3, 10, 15, 21]. In the TinyDB project, Madden et al. [10] proposed a pull-based acquisitional query processing (ACQP) model, where the sensors control where, when, and how often the data is ac-quired and delivered to query processing operators. The...

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Interplay of Processing and Routing in Aggregate

| 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

2016-9-9 · 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. This has been enabled by the availability of sensors that are smaller, cheaper and intelligent....

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TinyDB: An Acquisitional Query Processing System for

2004-11-8 · query processing that emphasize moving queries to data. In contrast, we advocate acquisitional query processing (ACQP), where we focus not only on traditional techniques but also on the significant new query processing opportunity that arises in sensor networks: the fact that smart sensors have control over where, when,

2017-12-18 · [5] Kebin Liu, Lei Chen, Yunhao Liu, Minglu Li, "Robust and Efficient Aggregate Query Processing in Wireless Sensor Networks", Mobile Networks and Applications (MONET), Volume 13, Numbers 1-2, Page 212-227, 2008...

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The Design of an Acquisitional Query Processor For

2003-4-29 · In this paper, we are concerned with query processing in sensor net-works. Researchers have noted the benefits of a query processor-like in-terface to sensor networks and the need for sensitivity to limited power and computational resources [27, 33, 41, 48, 34]. Prior systems, how-ever, tend to view query processing in sensor networks simply as a

Robust and Efficient Aggregate Query Processing in Wireless Sensor Networks. (2002) Supporting aggregate queries over Ad-Hoc wireless sensor networks. In Proceedings of WMCSA Google Scholar. 14. Manjhi A, Nath S, Gibbons PB (2005) Tributaries and deltas: efficient and robust aggregation in sensor network streams. Yao Y, Gehrke J (2002 ...

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Assembling Regions for Efficacious Aggregate Query

2019-4-10 · 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

2016-5-21 · This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper,inwhichwecan monitor moving objects in wireless sensor networks while preserving their location privacy. TinyCasper consists of two main modules, in-network location anonymization and aggregate query processing over anonymized locations.Inthe...

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A Location Based Aggregation Algorithm for Selective

2015-1-4 · Data collection algorithms for sensor networks (SNs) exploit the fact that a sensor node consumes less energy for informa-tion processing than for communication. For aggregation op-erations, decomposing the aggregate operator and partially aggregating information at the node level such as computing the sum or the average of sensor readings

2006-2-22 · Distributed data storage for wireless sensor networks has been investigated in the literature [3, 10, 15, 21]. In the TinyDB project, Madden et al. [10] proposed a pull-based acquisitional query processing (ACQP) model, where the sensors control where, when, and how often the data is ac-quired and delivered to query processing operators. The...

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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 37 Reads How we measure 'reads'

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}@dcs.bbk.ac.uk Abstract We present a novel approach to processing continuous aggregate queries in sensor networks, which lifts the assumption of tree-based routing....

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Effective processing of continuous group-by

Continuous group-by aggregate queries can be used in many sensor networks applications. To process group-by aggregate queries in sensor networks, we propose the G-Framework. In the G-Framework, using two-dimensional Haar wavelets, we reduce the communication cost in the intra-group aggregation as well as in the inter-group merging.

2011-12-16 ·  28 1 2011 1 Journal of Mechanical & Electrical Engineering Vol. 28 No. 1 Jan. 2011 *, *, ( , 211169) : 、 ...

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Interplay of Processing and Routing in Aggregate

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-purpose

2015-11-26 · Efficient Iceberg Query Processing in Sensor Networks Heejung Yang and Chin-Wan Chung Department of Computer Science, KAIST, Daejeon 305-701, Republic of Korea Corresponding author: [email protected] The iceberg query finds data whose aggregate values exceed a pre-specified threshold. To process...

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Aggregate query processing in the presence of

Wireless sensor networks (WSNs) have received increasing attention in the past decade. In existing studies for query processing of WSNs, each sensor node measures environmental parameters such as temperature, light and humidity around its location.

Processing approximate aggregate queries in wireless sensor networks This is a recursive procedure which ultimately results in the evaluation of the aggregate query at the Root node. After waiting for messages from its children nodes, the current node computes the new value of the partial aggregate based on the most current partial ...

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On the Use of Histograms for Processing Exact Aggregate

2011-8-15 · On the Use of Histograms for Processing Exact Aggregate Queries in Wireless Sensor Networks Khaled Ammar Mario A. Nascimento Department of Computing Science, University of Alberta, Canada {kammar, mn}@cs.ualberta.ca ABSTRACT Wireless Sensor Networks (WSNs) are typically used to col-lect values of some phenomena in a monitored area. In many

CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): In-network data aggregation has been recently proposed as an e#ective 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 parents....

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LNCS 6588

2015-11-26 · the processing of grouped aggregate queries. However, since groups in their approaches are disjoint, some relevant regions to the query can be missing. In this paper, we propose REQUEST, region-based query processing in sensor networks. A region in our approach is defined as a maximal set of nodes located within a circle having a diameter

Supporting Aggregate Queries Over Ad-Hoc Wireless

2004-1-6 · Taxonomy of Aggregates TAG insight: classifying aggregates according to various functional properties Yields a general set of optimizations that can automatically be applied Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks Madden UC Berkeley Motivation: Sensor Nets and In-Network Query Processing Many Sensor Network

Survey on Sensor Network Research--《Journal of Computer

Recent advances in sensing techniques,embedded computing techniques,distributed information processing techniques and communication techniques have enabled the development of wireless sensor networks.As there is a bright future in their application,wireless