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Reconstruction of event sequences based on asynchronous observations in sensor networks

Published: 17 January 2013 Publication History

Abstract

This paper proposes an event sequence reconstruction algorithm for a given sensor network based on asynchronous observations of its state changes. We assume that the sensor network is modeled as a Petri net and the asynchronous observations are in the form of state (token) changes at different places in the Petri net. More specifically, the observed sequences of state changes are provided by local sensors and are asynchronous, i.e., they only contain partial information about the ordering of the state changes that occur. We propose an approach that is able to partition the given net into several subnets and reconstruct the event sequence for each subnet. Then we develop an algorithm that is able to reconstruct the event sequences for the entire net that are consistent with: 1) the asynchronous observations of state changes; 2) the event sequences of each subnet; and 3) the structure of the given Petri net. We also discuss the algorithmic complexity and present an example to illustrate our approach.

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R. V. AdiMallikarjuna, A. Kumar, and D Janakiram, "E-Petri net model for programming integrated network of wireless sensor networks and grids," in Proc. of 7th International Conference on Computer and Information Technology, pp. 1038--1043, October 2007.
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Cited By

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  • (2016)Reconstruction of unknown Petri net structures from asynchronous observations of token change sequences2016 IEEE International Conference on Automation Science and Engineering (CASE)10.1109/COASE.2016.7743519(1049-1054)Online publication date: Aug-2016
  • (2014)Building Effective Scheduling Algorithms for Sensor Networks2014 11th International Conference on Information Technology: New Generations10.1109/ITNG.2014.111(403-406)Online publication date: Apr-2014

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    cover image ACM Conferences
    ICUIMC '13: Proceedings of the 7th International Conference on Ubiquitous Information Management and Communication
    January 2013
    772 pages
    ISBN:9781450319584
    DOI:10.1145/2448556
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 17 January 2013

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    Author Tags

    1. asynchronous observations
    2. event sequence reconstruction
    3. petri nets
    4. sensor networks

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    • (2016)Reconstruction of unknown Petri net structures from asynchronous observations of token change sequences2016 IEEE International Conference on Automation Science and Engineering (CASE)10.1109/COASE.2016.7743519(1049-1054)Online publication date: Aug-2016
    • (2014)Building Effective Scheduling Algorithms for Sensor Networks2014 11th International Conference on Information Technology: New Generations10.1109/ITNG.2014.111(403-406)Online publication date: Apr-2014

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