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Geosensor Networks, Qualitative Monitoring of Dynamic Fields

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Encyclopedia of GIS

Synonyms

Ambient spatial intelligence; Qualitative spatial reasoning; Discretization of quatitative attributes; Combinatorial map; Qualitative spatial representations

Definition

Environmental phenomena that vary continuously across regions of space and periods of time, such as changing sea temperature, concentrations of gas pollutant in the air, or levels of soil moisture, are called dynamic spatial fields. Information about dynamic spatial fields is important to a wide range of environmental applications. One of the goals of using a geosensor network (GSN) is to enable improved, more detailed monitoring of dynamic spatial fields. Individual sensor nodes in a GSN usually generate quantitative information. For example, a node might record a temperature of 23°C located at coordinates 18.04S, 146.49E at time 20:51:06 on January 7th 2007. However, the information needed by decision makers is typically qualitative, and concerns the relationships between groups of spatially and temporally...

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Recommended Reading

  1. Duckham, M., Nittel, S., Worboys, M.: Monitoring dynamic spatial fields using responsive geosensor networks. Shahabi, C., Boucelma, O. (eds.) ACM GIS 2005, pp. 51–60. ACM Press, New York (2005)

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Author information

Authors and Affiliations

  1. Department of Geomatics, University of Melbourne, Melbourne, VIC, Australia

    Matt Duckham

Authors
  1. Matt Duckham
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Editor information

Editors and Affiliations

  1. Faculty of Computer Science and Engineering, University of Minnesota, Minneapolis, MN, 55455, USA

    Shashi Shekhar (McKnight Distinguished University Professor) (McKnight Distinguished University Professor)

  2. Management Science and Information Systems Department, Rutgers Business School Newark and New Brunswick Rutgers, the State University of New Jersey, Newark, NJ, 07102, USA

    Hui Xiong (Assistant Professor) (Assistant Professor)

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© 2008 Springer-Verlag

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Duckham, M. (2008). Geosensor Networks, Qualitative Monitoring of Dynamic Fields. In: Shekhar, S., Xiong, H. (eds) Encyclopedia of GIS. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35973-1_500

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