Abstraction and complexity measures

  • Authors:
  • Lorenza Saitta;Jean-Daniel Zucker

  • Affiliations:
  • Università del Piemonte Orientale, Dipartimento di Informatica, Alessandria, Italy;LIM&BIO, EA, Univ. Paris 13, Bobigny, France and UR GEODES, IRD, Bondy, France

  • Venue:
  • SARA'07 Proceedings of the 7th International conference on Abstraction, reformulation, and approximation
  • Year:
  • 2007

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Abstract

Abstraction is fundamental for both human and artificial reasoning. The word denotes different activities and process, but all are intuitively related to the notion of complexity/simplicity, which is as elusive a notion as abstraction. From an analysis of the literature on abstraction and complexity it clearly appears that it is unrealistic to find definitions valid in all disciplines and for all tasks. Hence, we consider a particular model of abstraction, and try to investigate how complexity measures could be mapped to it. Preliminary results show that abstraction and complexity are not monotonically coupled notions, and that complexity may either increase or decrease with abstraction according to the definition of both and to the specificities of the considered domain.