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@PHDTHESIS{Devaraju:150357,
      author       = {Devaraju, Anusuriya},
      title        = {{R}epresenting and {R}easoning about {G}eographic
                      {O}ccurrences in the {S}ensor {W}eb},
      volume       = {7},
      school       = {University of Muenster},
      type         = {Dr.},
      address      = {Germany},
      publisher    = {AKA Verlag},
      reportid     = {FZJ-2014-00427},
      isbn         = {978-1-61499-114-4},
      series       = {Dissertations in Geographic Information Science (GISDISS)},
      pages        = {201},
      year         = {2012},
      note         = {University of Muenster, Diss., 2012},
      abstract     = {Observations are fed into the Sensor Web through a growing
                      number of environmental sensors, including technical and
                      human observers. While a wealth of observations is now
                      accessible, there is still a gap between low-level
                      observations and the high-level descriptive information they
                      reflect. For example, we may ask what the measurements mean
                      when a weather buoy provides a temperature time series. The
                      challenge is not to gather a vast number of observations,
                      but rather to make sense of them in environmental monitoring
                      and decision making. In order to infer meaningful
                      information about geographic occurrences from observations,
                      a description of how one gets from the former to information
                      about the latter must be expressed. Here, questions that
                      call for clarification are: How can geographic occurrences
                      be formally modeled with respect to properties observed by
                      sensors? How can the formal model be used to infer knowledge
                      about geographic occurrences from sensor observations? This
                      book delivers a formal model to answer these ontological
                      questions. The model is used to infer information about
                      blizzards from time series produced by a weather station.},
      keywords     = {Dissertation (GND)},
      cin          = {IBG-3},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {246 - Modelling and Monitoring Terrestrial Systems: Methods
                      and Technologies (POF2-246)},
      pid          = {G:(DE-HGF)POF2-246},
      typ          = {PUB:(DE-HGF)11},
      url          = {https://juser.fz-juelich.de/record/150357},
}