Knowledge construction from time series data using a collaborative exploration system

  • Authors:
  • Thomas Guyet;Catherine Garbay;Michel Dojat

  • Affiliations:
  • CNRS-TIMC/LIG-Grenoble, France;CNRS-LIG-Grenoble, France;Inserm, U836, Grenoble, France and Université Joseph Fourier, Institut des Neurosciences, Grenoble, France

  • Venue:
  • Journal of Biomedical Informatics
  • Year:
  • 2007

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Abstract

This paper deals with the exploration of biomedical multivariate time series to construct typical parameter evolution or scenarios. This task is known to be difficult: the temporal and multivariate nature of the data at hand and the context-sensitive aspect of data interpretation hamper the formulation of a priori knowledge about the kind of patterns that can be detected as well as their interrelations. This paper proposes a new way to tackle this problem based on a human-computer collaborative approach involving specific annotations. Three grounding principles, namely autonomy, adaptability and emergence, support the co-construction of successive abstraction levels for data interpretation. An agent-based design is proposed to support these principles. Preliminary results in a clinical context are presented to support our proposal. A comparison with two well-known time series exploration tools is furthermore performed.