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aggregate query processing in sensor networks

Processing Approximate Aggregate Queries in Wireless

2007-7-3 · Processing Approximate Aggregate Queries in Wireless Sensor Networks Antonios Deligiannakisa Yannis Kotidisb Nick Roussopoulosa aUniversity of Maryland bAT&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.

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2014-4-22 · : Wireless Sensor Networks Abstract :20-22. [13]LIU K, CHEN L.Robust and efficient aggregate query processing in

A Location Based Aggregation Algorithm for Selective

2011-6-29 · A Location Based Aggregation Algorithm for Selective Aggregate Queries in Sensor Networks Muhammad Umer Lars Kulik Egemen Tanin National ICT Australia

aggregate query processing sensor networks

aggregate query processing in sensor networks gigsghA New Initiative on Precision Medicine NEJM President Obama has announced a research initiative that. aggregate query processing in sensor networks.

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

Robust and Efficient Aggregate Query Processing in

In this paper, we propose COSE, a query-centric framework of collaborative heterogeneous sensor networks, where sensor networks collaborate with each other for effective and efficient processing

In-Network Execution of Monitoring Queries in Sensor

2015-11-16 · works on query processing in sensor networks have focused on aggregate queries such as COUNT, SUM and MAX, and have developed in-network aggregation techniques that sig-nificantly reduce the amount of data transmission. Some approximate query processing techniques [7, 10, 6, 5] were also proposed to reduce the cost of data collection while

Interplay of Processing and Routing in Aggregate Query

Interplay of Processing and Routing in Aggregate Query Optimization for Sensor Networks Niki Trigoni, Alexandre Guitton, and Antonios Skordylis Computing Laboratory, University of Oxford, Oxford OX1 3QD, UK Abstract. This paper presents a novel approach to processing continuous aggre-

Energy-Efficient Aggregate Query Evaluation in Wireless

2014-5-29 · aggregate query evaluation problem in wireless sensor networks with an objective to prolong the network lifetime. To do so, we first introduce a node capability concept, which balances the residual energy and the consumed energy at each node, and propose a heuristic algorithm based on this concept. We then present an improved algorithm by

() Assembling regions for efficacious aggregate

Assembling regions for efficacious aggregate query processing in wireless sensor networks. The query asks for an aggregate over the measurements. The propagation of all measured values to a

Aggregate Location Monitoring for Wireless Sensor

2009-3-5 · three proposed techniques, and the aggregate query pro-cessor. Section 5 depicts the experiment results. Finally, Section 6 concludes this paper. 2. Related Works In this section, we highlight the related works in two areas, query processing in wireless sensor networks and spatio-temporal histograms. Query processing in sensor networks

Research Article

2015-11-2 · its parent sensor node, which sends intermediate aggregate query results to its parent sensor node. At last, the sink node returns the final results of aggregate query processing to the server. TAG reduces overall energy consumption by sensor nodes through processing aggregate queries within the wireless sensor network instead of centralized

() Assembling regions for efficacious aggregate

Assembling regions for efficacious aggregate query processing in wireless sensor networks. The query asks for an aggregate over the measurements. The propagation of all measured values to a

Accuracy Vs Lifetime: Linear Sketches for Appoximate

2008-3-20 · Accuracy Vs Lifetime: Linear Sketches for Appoximate Aggregate Range Queries in Sensor Networks1,2 Konstantinos Kalpakis, Vasundhara Puttagunta and Parag Namjoshi Abstract Query processing in sensor networks is critical for several sensor based monitoring applications and poses several challenging research problems.

Aggregate query processing in the presence of

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The Design and Evaluation of a Query Processing

2004-9-3 · The Design and Evaluation of a Query Processing Architecture for Sensor Networks by Samuel Ross Madden Doctor of Philosophy in Computer Science University of California, Berkeley Professor Michael J. Franklin, Chair With the advent of small, battery-powered, wireless computing and sensing technology, it is

TinyCasper: A privacy-preserving aggregate location

This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can 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.

Efficient Data Collection and Selective Queries in Sensor

2015-1-4 · Major in-network data processing techniques for SNs do not take an explicit position on the issue whether or not a query predicate selects all the nodes of a SN. Instead, most techniques implicitly assume that a query requires all nodes to respond. We refer to the sensor nodes that report their readings to a selective query asparticipating nodes.

Efficient Iceberg Query Processing in Sensor

Efficient Iceberg Query Processing in Sensor Networks Efficient Iceberg Query Processing in Sensor Networks Yang, Heejung; Chung, Chin-Wan 2014-12-21 00:00:00 The iceberg query finds data whose aggregate values exceed a pre-specified threshold. To process an iceberg query in sensor networks, all sensor data have to be aggregated and then sensor data whose aggregate values are smaller than

aggregate query processing in sensor networks

aggregate query processing in sensor networks Aggregate Queries in Wireless Sensor Networks, to solve these problems and to enhance the efficiency of aggregate . Supporting Aggregate Queries Over Ad-Hoc, Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks, benefit by processing the data inside the network, aggregate function

1 Robust Computation of Aggregates in Wireless Sensor

2007-2-9 · For cooperative processing in a sensor network, the information of interest is not the data at an individual sensor node, but the aggregate statistics (aggregates) amid a group of sensor nodes [19], [15]. Possible applications using aggregates are the average temperature, the average gas concentration of a hazardous gas in an area, the average

aggregate query processing sensor networks

aggregate query processing in sensor networks gigsghA New Initiative on Precision Medicine NEJM President Obama has announced a research initiative that. aggregate query processing in sensor networks.

REQUEST+: A framework for efficient processing of region

2015-11-26 · REQUEST+: A framework for efficient processing of region-based queries in sensor networks Dong-Wan Choi, Chin-Wan Chung Department of Computer Science, Korea Advanced Institute of Science and Technology(KAIST), 335 Gwahangno, Yuseong-gu, Daejeon 305-701, Republic of

TinyQP A Query Processing System in Wireless Sensor

LNCS 7923, pp. 788791, 2013. © Springer-Verlag Berlin Heidelberg 2013 TinyQP: A Query Processing System in Wireless Sensor Networks Shangfeng Mo 1,2,3 and

Robust and Efficient Aggregate Query Processing in

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