A dual representation of uncertain dynamic spatial information

  • Authors:
  • Gloria Bordogna;Paola Carrara;Sergio Chiesa;Stefano Spaccapietra

  • Affiliations:
  • CNR-IDPA, sezione di Milano, p.zza Cittadella, Bergamo, Italy;CNR-IREA, sezione di Milano, Milano, Italy;CNR-IDPA, sezione di Milano, p.zza Cittadella, Bergamo, Italy;Database Lab., Swiss Federal Institute of Technology , EPFL, Lausanne, Switzerland

  • Venue:
  • IFSA'03 Proceedings of the 10th international fuzzy systems association World Congress conference on Fuzzy sets and systems
  • Year:
  • 2003

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Abstract

A dual representation of spatio-temporal phenomena whose observation is affected by uncertainty is proposed in the context of fuzzy set and possibility theory. The concept of fuzzy time validity of a snapshot of a dynamic phenomenon is introduced as well as the concept of possible spatial reference of the phenomenon at a given time instant. Then a mechanism to generate virtual snapshots of the phenomenon, showing its possible spatial reference at consecutive time instants, is described.