An approach to the development of commonsense knowledge modeling systems for disaster management

  • Authors:
  • D. S. Mendis;Asoka S. Karunananda;Udaya Samaratunga;Uditha Ratnayake

  • Affiliations:
  • Department of Information Technology, Advanced Technological Institute, Labuduwa, Sri Lanka;Faculty of Information Technology, University of Moratuwa, Katubedda, Moratuwa, Sri Lanka;Gampaha Wickramarrachi Ayurveda Institute, University of Kelaniya, Ragama, Yakkala, Sri Lanka;Department of Electrical and Computer Engineering, The Open University, Nawala, Nugegoda, Sri Lanka

  • Venue:
  • Artificial Intelligence Review
  • Year:
  • 2007

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Abstract

Knowledge is the fundamental resource that allows us to function intelligently. Similarly, organizations typically use different types of knowledge to enhance their performance. Commonsense knowledge that is not well formalized modeling is the key to disaster management in the process of information gathering into a formalized way. Modeling commonsense knowledge is crucial for classifying and presenting of unstructured knowledge. This paper suggests an approach to achieving this objective, by proposing a three-phase knowledge modeling approach. At the initial stage commonsense knowledge is converted into a questionnaire. Removing dependencies among the questions are modeled using principal component analysis. Classification of the knowledge is processed through fuzzy logic module, which is constructed on the basis of principal components. Further explanations for classified knowledge are derived by expert system technology. We have implemented the system using FLEX expert system shell, SPSS, XML, and VB. This paper describes one such approach using classification of human constituents in Ayurvedic medicine. Evaluation of the system has shown 77% accuracy.