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An Aggregate Query Processing System For Wireless Network

Data Aggregation and Query Processing in WSN

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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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, i...

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Processing approximate aggregate queries in wireless ...

Processing approximate aggregate queries in wireless sensor networks$ Antonios Deligiannakisa, Yannis Kotidisb,, Nick Roussopoulosa aUniversity of Maryland, USA bDepartment of Information Systems and Analysis, ATT Labs-Research, P.O. Box 971, Florham Park, NI 07932-0971, USA Received 5 February 2004; received in revised form 1 February 2005; accepted 8 February 2005 Abstract In-network

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

Processing approximate aggregate queries in wireless sensor networks

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Processing approximate aggregate queries in wireless ...

Processing approximate aggregate queries in wireless sensor networks: Publication Type : Journal Articles: Year of Publication: 2006: Authors: Deligiannakis A, Kotidis Y, Roussopoulos N: Journal: Information Systems: Volume: 31: Issue: 8: Pagination: 770 - 792: Date Published: 2006/12// ISBN Number: 0306-4379: Keywords: Aggregate queries, approximation, sensor networks: Abstract: In-network ...

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Processing Approximate Aggregate Queries in Wireless ...

Processing Approximate Aggregate Queries in Wireless Sensor Networks Antonios Deligiannakisa Yannis Kotidisb Nick Roussopoulosa aUniversity of Maryland bATT 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. Nodes of the network form an aggregation

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Robust and Efficient Aggregate Query Processing in ...

08/05/2008  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. Due to the low quality sensing devices or random

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TinyCasper: A Privacy-Preserving Aggregate Location ...

tion monitoring systems, aggregate query processing, wire-less sensor networks 1. INTRODUCTION The emergence of the state-of-the-artdevices and commu- nication techniques in wireless sensor networks has resulted in many new applications for military and civilian purposes. ∗This work is supported in part by the Grants-in-Aid, Uni-versity of Minnesota,

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A Privacy-Preserving Location Monitoring System for ...

services for system users and guarantees the location privacy of the monitored persons. 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 ...

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Data aggregation in wireless sensor network , 11751 d5811

25/12/2012  The main goal of dataaggregation algorithms is to gather and aggregate datain an energy efficient manner so that network lifetime isenhanced. Wireless sensor networks (WSN) offer anincreasingly Sensor nodes need less power

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Data Aggregation and Query Processing in WSN - CORE

Data Aggregation and Query Processing in WSN . By Ayoni Mukherjee and Sanjit Setua. Abstract. 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. These sensor nodes are equipped with wireless interfaces with ...

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Query Privacy Preserving for Data Aggregation in Wireless ...

4.2. Key Generation. We introduce the homomorphic encryption scheme based on the elliptic curve [] into QPPDA, which can protect private data from being revealed.The encryption method assigns different keys to the concealed data acquired from different nodes, and BS can correctly distinguish them in the aggregation process [].Assume that types of query are supported by a network.

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Data Aggregation and Query Processing in WSN

[3] Meliou Alexandra, Guestrin Carlos, and Hellerstein Joseph, ""Approximating Sensor Network Queries Using In-Network Summaries”, Information Processing in Sensor Networks (IPSN,2009). [4] Fasoloy Elena , Rossiy Michele, Widmer J¨org Zorziy Michele:” In-network Aggregation Techniques for Wireless Sensor Networks: A Survey “ , IEEE Wireless Communications, Vol. 14, No. 2, April 2007,

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Energy-Efficient Aggregate Query Evaluation in Wireless ...

Such in-network aggregation can dramatically decrease the number of massages transmitted through pushing the partial computation tasks from the base station into the intermediate nodes, so has been used as a paradigm in energy-constrained wireless sensor networks. To process an aggregate query, in-network aggregation consists of

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Data Aggregation in Wireless Sensor Network: A Survey

Keywords: Data Aggregation, Wireless sensor network, security. 1. Introduction Data aggregation is the process of collecting and aggregating the useful data. Data aggregation is considered as one of the fundamental processing procedures for saving the energy. In WSN data aggregation is an effective way to save the limited resources. The main goal of data aggregation algorithms is to gather and ...

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Data aggregation in wireless sensor network , 11751 d5811

25/12/2012  In-network aggregation is the Global process of gathering and routing information through a multi-hop network, processing data at intermediate nodes with the objective of reducing resource consumption (in particular energy), thereby increasing network lifetime. There are two approaches for in-network aggregation: with size reduction and without size reduction. 6. Tree based approach 7. In

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Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor ...

Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks. Previous Chapter Next Chapter. ABSTRACT. We show how the database community's notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the sensor network literature, aggregation is important as a data-reduction tool; networking approaches,

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Exact In-Network Aggregation with Integrity and Confidentiality

Abstract— In-network aggregationreduces the energy cost of processing aggregate queries (such as SUM, MAX, etc.) in wireless sensor networks. Recently, research has focused on secure in-network aggregation, motivated by the following two scenarios: (i) the sensors are deployed in open and unsafe environments, and (ii) the aggregation process is outsourced to an untrustworthy service. Despite ...

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A Sensor Network Data Aggregation Technique

on query processing in distributed database systems [8 and 9], A Sensor Network Data Aggregation Technique Mohamed Watfa , William Daher and Hisham Al Azar DOI: 10.7763/IJCTE.2009.V1.4. International Journal of Computer Theory and Engineering, Vol. 1, No. 1, April 2009 1793-8201 - 20 - but most related work on distributed aggregation did not consider the physical limitations of sensor

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Accuracy Vs Lifetime: Linear Sketches for Appoximate ...

1.1 Query Processing in Sensor Networks From databases perspective, in–network aggregation is a mode for evaluating aggregate queries over the sensor network. 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 ...

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Aggregate query processing in the presence of duplicates ...

10/03/2015  Sliding Window Aggregate Queries: A sensor network can be considered as a source of stream data. Then, the stream data can be broken into possibly overlapping partitions by specifying a window and computation can be carried out in each partition. While in-network processing is generally used in the sensor network where each sensor computes a ...

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Robust and efficient aggregate query processing in ...

Home Browse by Title Periodicals Mobile Networks and Applications Vol. 13, No. 1-2 Robust and efficient aggregate query processing in wireless sensor networks ...

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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 Jun-Ki Min a

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Robust and Efficient Aggregate Query Processing in ...

Madden S, Szewczyk R, Franklin MJ, Culler D (2002) Supporting aggregate queries over Ad-Hoc wireless sensor networks. In ... Yao Y, Gehrke J (2002) The cougar approach to in-network query processing in sensor networks. SIGMOD Rec 31:3 CrossRef Google Scholar. 23. Hellerstein JM, Hong W, Madden S, Stanek K (2003) Beyond average: toward sophisticated sensing with queries

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Data Aggregation and Query Processing in WSN - CORE

Data Aggregation and Query Processing in WSN . By Ayoni Mukherjee and Sanjit Setua. Abstract. 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. These sensor nodes are equipped with wireless

More

Energy-Efficient Aggregate Query Evaluation in Wireless ...

Such in-network aggregation can dramatically decrease the number of massages transmitted through pushing the partial computation tasks from the base station into the intermediate nodes, so has been used as a paradigm in energy-constrained wireless sensor networks. To process an aggregate query, in-network aggregation consists of

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(PDF) Routing and processing multiple aggregate queries in ...

STG exploits the fact that the intersecting query areas naturally divide the network into smaller segments, and par- The potential advantages of carefully selecting a rout- tially aggregates all values within the same segment before ing and processing plan for executing aggregate queries are forwarding the partial aggregate to the gateway. In addition, shown in the

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NoSQL query processing system for wireless ad-hoc and ...

These query processing systems provide a SQL query interface to extract data from sensors and it has proven to be a convenient programming interface in these environments. However, a relational database model that guarantees ACID properties is not a good match for a wireless sensor network since consistent connectivity or the uninterrupted operation of the sensor

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Data Aggregation for Wireless Sensor Networks Using Self ...

04/10/2004  We present new network architecture, CODA (Cluster-based self-Organizing Data Aggregation), based on the Kohonen Self-Organizing Map to aggregate sensor data in cluster. Before deploying the network, we train the nodes to have the ability to classify the sensor data. Thus, it increases the quality of data and reduces data traffic as well as energy-conserving.

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Voronoi-based aggregate nearest neighbor query processing ...

Aggregate nearest neighbor (ANN) query returns a common interesting data object that minimizes an aggregate distance for multiple query points. In this paper, we propose a novel approach to efficiently process ANN queries in road networks. This approach includes two processes: initializing process and pruning process, which are both based on computing

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An Efficient Data Aggregation and Query Optimization for ...

In wireless sensor network a new process called region-based query processing (REQUEST) are used to maximize the set of nodes in the network. The region-based queries are processed in the hierarchical aggregation techniques which are organized by every region.

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Aggregate Location Monitoring for Wireless Sensor Networks ...

aggregate query processor that has the ability to answer aggregate query Q that asks about the number of objects in a certain area Q.Area ∈S.Area. Wireless sensor network. In our system, we consider stationary wireless sensor nodes. Each sensor node has only the capacity to report aggregate locations to a server that contains the aggregate ...

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Data Aggregation in Wireless Sensor Network: A Survey

Keywords: Data Aggregation, Wireless sensor network, security. 1. Introduction Data aggregation is the process of collecting and aggregating the useful data. Data aggregation is considered as one of the fundamental processing procedures for saving the energy. In WSN data aggregation is an effective way to save the limited resources. The main goal of data aggregation algorithms is to gather and ...

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A sensor network data aggregation technique

on query processing in distributed database systems [8 and 9], ... distributes and executes aggregation queries in the sensor network in a time and power-efficient way, and is sensitive to the resource constraints and lossy communication properties of wireless sensor networks. TAG processes aggregates in the network by computing partial aggregation values over the flow of data from the

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Data aggregation in wireless sensor network , 11751 d5811

25/12/2012  The main goal of dataaggregation algorithms is to gather and aggregate datain an energy efficient manner so that network lifetime isenhanced. Wireless sensor networks (WSN) offer anincreasingly Sensor nodes need less power forprocessing as compared to transmitting data.

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Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor ...

Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks. Previous Chapter Next Chapter. ABSTRACT. We show how the database community's notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the sensor network literature, aggregation is important as a data-reduction tool; networking approaches,

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TinyDB: An Acquisitional Query Processing System for ...

The basic approach of aggregate query processing in TinyDB is as follows: as data from an aggregation query flows up the tree, it is aggregated in-network according to the aggregation function and value-based partitioning specified in the query. 3.3.1AggregateQuery Syntax and Semantics.

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Voronoi-based aggregate nearest neighbor query processing ...

Aggregate nearest neighbor (ANN) query returns a common interesting data object that minimizes an aggregate distance for multiple query points. In this paper, we propose a novel approach to efficiently process ANN queries in road networks. This approach includes two processes: initializing process and pruning process, which are both based on computing

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In-Network Processing in Wireless Sensor Networks

[email protected] * * * * * * * In-Network Query Processing in WSN Query Result In-network Processing Decision Support system Background Queries Variations of Top-k (Min, Max, Avg.) Nearest Neighbor Join queries Techniques Exploit the wireless broadcast nature of WSN Aggregation, Pruning, Filtering . Schedules Sensors should not be in ‘idle listening mode” Contentious our slotted time Failures ...

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Reading List on Wireless Sensor Networks

The Cougar Approach to In-Network Query Processing in Sensor Networks. SIGMOD Record, Vol. 31, No. 3, September 2002, pp 9-18. 6. Yong Yao and Johannes Gehrke. Query Processing for Sensor Networks. In Proceedings of the 1st Biennial Conference on Innovative Data Systems Research (CIDR), Asilomar, California, USA, January 5-8, 2003.

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