Discovering Plausible Explanations of Carcinogenecity in Chemical Compounds

  • Authors:
  • Eva Armengol

  • Affiliations:
  • IIIA - Artificial Intelligence Research Institute, CSIC - Spanish Council for Scientific Research, Campus UAB, 08193 Bellaterra, Catalonia, Spain

  • Venue:
  • MLDM '07 Proceedings of the 5th international conference on Machine Learning and Data Mining in Pattern Recognition
  • Year:
  • 2007

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Abstract

The goal of predictive toxicology is the automatic construction of carcinogenecity models. Most common artificial intelligence techniques used to construct these models are inductive learning methods. In a previous work we presented an approach that uses lazy learning methods for solving the problem of predicting carcinogenecity. Lazy learning methods solve new problems based on their similarity to already solved problems. Nevertheless, a weakness of these kind of methods is that sometimes the result is not completely understandable by the user. In this paper we propose an explanation scheme for a concrete lazy learning method. This scheme is particularly interesting to justify the predictions about the carcinogenesis of chemical compounds.