aggregate quarry processing in wireless sensor network

Directed Diffusion for Wireless Sensor Networking

2016-2-14 · tributed sensing, in-network processing, wireless sensor networks. I. INTRODUCTION I N THE NEAR future, advances in processor, memory, and radio technology will enable small and cheap nodes capable of wireless communication and significant computation. The addition of sensing capability to such devices will make

(PDF) Assembling regions for efficacious aggregate query ...

Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered sensors.

Robust and Efficient Aggregate Query Processing in ...

2008-5-8 · Wireless sensor networks have been widely used in many environmental monitoring applications [] most of these applications, aggregate queries, such as SUM, COUNT, AVERAGE (AVG), MIN and MAX, are often used as statistics collected from sensors [12, 13, 22].However, it is known that data collected from sensors are often noisy for various reasons, …

Aggregate query processing in the presence of duplicates ...

2015-3-10 · 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.

IJA: An Efficient Algorithm for Query Processing in …

2014-6-21 · Algorithm (IJA) as an in-network join strategy which is an efficient join processing in sensor networks and minimizes communication cost. The IJA strategy is capable of reducing communication cost and utilizing data by gathering real-time state information from sensors which is one of sensor network features.

Complex Event Processing in Wireless Sensor Networks

2013-5-21 · Complex Event Processing, Wireless Sensor Networks, In-network processing, centralized processing, Non-deterministic Finite state Automata 1. INTRODUCTION Wireless sensor networks are defined as a distributed and cooperative network of devices, denoted as sensor nodes that are densely deployed over a region especially in harsh envi-

TinyDB: An Acquisitional Query Processing System for ...

2004-11-8 · Acquisitional Query Processing In Sensor Networks · 3 are submitted at a powered PC (the basestation), parsed, optimized and sent into the sensor network, where they are disseminated and processed, with results flowing back up the

Maximum Lifetime Data Gathering and Aggregation in ...

2002-9-16 · lifetime data gathering problem in distributed sensor networks when (a) sen-sors are allowed to perform in{network aggregation of data packets, and (b) no sensor is allowed to aggregate its data packets with those of another sensor. Our solutions are near{optimal and can be computed in polynomial time. The rest of the paper is organized as follows.

Processing approximate aggregate queries in wireless ...

2006-12-1 · 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 children and propagate the result to their own parents.

A Data Aggregation Privacy Protection Algorithm Based on ...

Wireless sensor network is the momentous part of the Internet of Things. Data aggregation technology is the most practical method to reduce the amount of communication among nodes. Adding a privacy protection mechanism to data aggregation is one of the important means for privacy protection and security in wireless sensor networks. Aiming at certain performance …

Processing Approximate Aggregate Queries in Wireless ...

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.

Energy-efficient communication in Wireless Sensor …

2013-2-8 · itoring and processing queries [18] and thereby not as many connections have to be established. At meeting points of data from di↵erent sensor nodes redundancies can be rec-ognized and avoided. Data aggregation is, due to the fact that it eases several of the energy dissipating e↵ects, an im-portant feature of energy-ecient Wireless Sensor ...

Impact of Data Aggregation in Wireless Sensor Networks

2004-9-20 · THE wireless sensor networks of the near future are ... In-network fil-tering and processing techniques can help conserve the scarce energy resources. ... termediate node in the routing transmits a single aggregate packet even if it receives multiple input packets. We will

Aggregate Threshold Queries in Sensor Networks

2007-1-3 · Wireless sensor networks are a powerful tool for per-forming high level monitoring tasks. Sensor networks have been suggested for a wide variety of applications, includ-ing military applications (detecting and tracking vehicles behind enemy lines), ecological applications (monitoring 1-4244-0910-1/07/$20.00 c 2007 IEEE.

Routing and processing multiple aggregate queries in ...

We present 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 gateway node where results are expected, the query optimizer exploits query correlations in order to generate an energy-efficient distributed evaluation plan.

In-Network Aggregation in Wireless Sensor Networks 1 ...

2004-12-8 · Wireless Sensor Networks Sensor networks consist of small computing devices capable of producing digital representations of real-world phenomena. Due to size and battery power limitations, these devices typically have limited storage capacity, limited energy resources, and limited network bandwidth. Data produced by nodes in the network ...

Wireless Sensor Networks Operating systems and …

2015-1-5 · Wireless Sensor Networks: Theory and Practice" . John Wiley & Sons, August 2010. • Gregory Pottie and William Kaiser, "Principles of Embedded Networked System Design," Cambridge University Press, 2005. • Holger Karl and Andreas Willig, "Protocols and Architectures for Wireless Sensor Networks," John Wiley & Sons, June 2005.

Adaptive Protocols for Information Dissemination in ...

2008-1-17 · and online information processing at those nodes. Wireless sensor networks improve sensing accuracy by providing distributed processing of vast quantities of sensing information (e.g., seismic data, acoustic data, high-resolution images, etc.). When networked, sensors can aggregate such

Aggregate Location Monitoring for Wireless Sensor …

2009-9-29 · 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 ...

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

A Privacy-Preserving Location Monitoring System for ...

2010-3-22 · Index TermsŠLocation privacy, wireless sensor networks, location monitoring system, aggregate query processing, spatial histogram F 1 INTRODUCTION The advance in wireless sensor technologies has resulted in many new applications for military and/or civilian purposes. Many cases of these applications rely on the

TinyDB: An Acquisitional Query Processing System for ...

2020-8-10 · Acquisitional Query Processing In Sensor Networks • 125 Section 6 discusses our adaptive, power-sensitive model for query execution and result collection. 2. SENSOR NETWORK OVERVIEW We begin with an overview of some recent sensor network deployments, and then discuss properties of sensor nodes and sensor networks in general, provid-

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2021-6-24 · An Efficient Approach Using Domain Knowledge for Evaluating Aggregate Queries in WSN. In Proc. 5 th IEEE International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP09). pp: 427-432. December, 2009, Melbourne

Secure Data Aggregation in Wireless Sensor Networks | …

2012-3-2 · In a large sensor network, in-network data aggregation significantly reduces the amount of communication and energy consumption. Recently, the research community has proposed a robust aggregation framework called synopsis diffusion which combines multipath routing schemes with duplicate-insensitive algorithms to accurately compute aggregates (e.g., …

Processing Approximate Aggregate Queries in Wireless ...

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 …

Robust Computation of Aggregates in Wireless Sensor ...

2006-8-7 · A wireless sensor network consists of a large number of small, resource-constrained devices and usually operates in hostile environments that are prone to link and node failures. Computing aggregates such as average, minimum, maximum and sum is fundamental to various primitive functions of a sensor network, such as system monitoring, data querying, and collaborative information processing…

Data aggregation techniques in sensor networks: A survey

2020-10-13 · Wireless sensor networks consist of sensor nodes with sensing and communication capabilities. We focus on data aggregation problems in energy constrained sensor networks. The main goal of data aggregation algorithms is to gather and aggregate data in an energy efficient manner so that network lifetime is enhanced.

In-network Query for Wireless Sensor Networks

Recently, in-network aggregate query processing techniques have problems such as high energy consumption in sensor nodes, low accuracy of query processing results, and long query processing time. In order to solve these problems and to enhance the efficiency of aggregate query processing in wireless sensor networks, this paper proposes In ...

Query Processing for Sensor Networks

2002-12-7 · In this paper, we develop a query layer for wireless sensor networks. Our approach is motivated by the fol-lowingthree design goals. First, we believe thatdeclar-ative queries are especially suitable for sensor network interaction: Clients issue queries without knowing how the results are generated, processed, and returned to the client.

Introduction to Wireless Sensor Networks

2012-2-15 · 6 Information Processing and Routing in Wireless Sensor Networks 1.3.1 Military Networks of Sensors Since the early 1950s, a system of long-range acoustic sensors (hy-drophones), called the Sound Surveillance System (SOSUS), has been de-ployed in the deep basins of the Atlantic and Paci c oceans for submarine surveillance.