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Authors: Nina Peterson 1 ; Behrooz A. Shirazi 2 and Medha Bhadkamkar 2

Affiliations: 1 Lewis-Clark State College, United States ; 2 Washington State University, United States

Keyword(s): Data quality, Data selection, Wireless sensor networks, Bayesian network, Knapsack optimization.

Related Ontology Subjects/Areas/Topics: Embedded Communications Systems ; Mobile and Pervasive Computing ; Pervasive Embedded Devices ; Pervasive Embedded Networks ; Real-Time Systems ; Sensors and Sensor Networks ; Telecommunications

Abstract: Due to advances in technology, sensors in resource constrained wireless sensor networks are now capable of continuously monitoring and collecting high fidelity data. However, all the data cannot be trusted since data can be corrupted due to several reasons such as unreliable, faulty wireless sensors or harsh ambient conditions. Further, due to bandwidth constraints that limit the amount of data being transmitted in sensor networks, it is important that only the high priority, accurate data is transmitted. In this paper, we propose a data selection model that makes two significant contributions. First, it provides a way to determine the confidence in or reliability of the data values and second, it determines which subset of data is of the highest quality or of most interest given the state of the network system and its current available bandwidth. Our model is comprised of two phases. In Phase I we determine the reliability of each input data stream using a Bayesian network. In Phase II, we use a 0-1 Knapsack optimization approach to choose the optimal subset of data. An evaluation of our best data selection model reveals that it eliminates erroneous data and accurately determines the subset of data with the highest quality when compared with conventional algorithms. (More)

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Paper citation in several formats:
Peterson, N.; A. Shirazi, B. and Bhadkamkar, M. (2011). DATA RELIABILITY AND DATA SELECTION IN REAL TIME HIGH FIDELITY SENSOR NETWORKS . In Proceedings of the 1st International Conference on Pervasive and Embedded Computing and Communication Systems - PECCS; ISBN 978-989-8425-48-5; ISSN 2184-2817, SciTePress, pages 42-53. DOI: 10.5220/0003365600420053

@conference{peccs11,
author={Nina Peterson. and Behrooz {A. Shirazi}. and Medha Bhadkamkar.},
title={DATA RELIABILITY AND DATA SELECTION IN REAL TIME HIGH FIDELITY SENSOR NETWORKS },
booktitle={Proceedings of the 1st International Conference on Pervasive and Embedded Computing and Communication Systems - PECCS},
year={2011},
pages={42-53},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003365600420053},
isbn={978-989-8425-48-5},
issn={2184-2817},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Pervasive and Embedded Computing and Communication Systems - PECCS
TI - DATA RELIABILITY AND DATA SELECTION IN REAL TIME HIGH FIDELITY SENSOR NETWORKS
SN - 978-989-8425-48-5
IS - 2184-2817
AU - Peterson, N.
AU - A. Shirazi, B.
AU - Bhadkamkar, M.
PY - 2011
SP - 42
EP - 53
DO - 10.5220/0003365600420053
PB - SciTePress