Towards quality aware information integration in distributed sensing systems

Wenjun Jiang, Chenglin Miao, Lu Su, Qi Li, Shaohan Hu, Shiguang Wang, Jing Gao, Hengchang Liu, Tarek Abdelzaher, Jiawei Han, Xue Liu, Yan Gao, Lance Kaplan

Research output: Contribution to journalArticle

Abstract

In this paper, we present GDA, a generalized decision aggregation framework that integrates information from distributed sensor nodes for decision making in a resource efficient manner. Different from traditional approaches, our proposed GDA framework is able to not only estimate the reliability of each sensor, but also take advantage of its confidence information, and thus achieves higher decision accuracy. Targeting generalized problem domains, our framework can naturally handle the scenarios where different sensor nodes observe different sets of events whose numbers of possible classes may also be different. GDA also makes no assumption about the availability level of ground truth label information, while being able to take advantage of any if present. For these reasons, our approach can be applied to a much broader spectrum of sensing scenarios. In this paper, we also propose two extensions of the GDA framework, i.e., incremental GDA (I-GDA) and parallel GDA (P-GDA) to deal with streaming and large-scale data. The advantages of our proposed methods are demonstrated through both theoretic analysis and extensive experiments.

Original languageEnglish (US)
Pages (from-to)198-211
Number of pages14
JournalIEEE Transactions on Parallel and Distributed Systems
Volume29
Issue number1
DOIs
StatePublished - Jan 2018

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Sensor nodes
Labels
Agglomeration
Decision making
Availability
Sensors
Experiments

Keywords

  • Crowd sensing
  • Distributed sensing system
  • Information integration
  • Participatory sensing
  • Quality
  • Social sensing

ASJC Scopus subject areas

  • Signal Processing
  • Hardware and Architecture
  • Computational Theory and Mathematics

Cite this

Towards quality aware information integration in distributed sensing systems. / Jiang, Wenjun; Miao, Chenglin; Su, Lu; Li, Qi; Hu, Shaohan; Wang, Shiguang; Gao, Jing; Liu, Hengchang; Abdelzaher, Tarek; Han, Jiawei; Liu, Xue; Gao, Yan; Kaplan, Lance.

In: IEEE Transactions on Parallel and Distributed Systems, Vol. 29, No. 1, 01.2018, p. 198-211.

Research output: Contribution to journalArticle

Jiang, W, Miao, C, Su, L, Li, Q, Hu, S, Wang, S, Gao, J, Liu, H, Abdelzaher, T, Han, J, Liu, X, Gao, Y & Kaplan, L 2018, 'Towards quality aware information integration in distributed sensing systems', IEEE Transactions on Parallel and Distributed Systems, vol. 29, no. 1, pp. 198-211. https://doi.org/10.1109/TPDS.2017.2712630
Jiang, Wenjun ; Miao, Chenglin ; Su, Lu ; Li, Qi ; Hu, Shaohan ; Wang, Shiguang ; Gao, Jing ; Liu, Hengchang ; Abdelzaher, Tarek ; Han, Jiawei ; Liu, Xue ; Gao, Yan ; Kaplan, Lance. / Towards quality aware information integration in distributed sensing systems. In: IEEE Transactions on Parallel and Distributed Systems. 2018 ; Vol. 29, No. 1. pp. 198-211.
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