Advances in the keystroke dynamics: the practical impact of database quality

  • Authors:
  • Mariusz Rybnik;Piotr Panasiuk;Khalid Saeed;Marcin Rogowski

  • Affiliations:
  • University of Bialystok, Bialystok, Poland;AGH University of Science and Technology, Cracow, Poland;AGH University of Science and Technology, Cracow, Poland;King Abdullah University of Science and Technology, Thuwal, Kingdom of Saudi Arabia

  • Venue:
  • CISIM'12 Proceedings of the 11th IFIP TC 8 international conference on Computer Information Systems and Industrial Management
  • Year:
  • 2012

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Abstract

This paper concerns database quality in the Keystroke Dynamics domain. The authors present their own algorithm and test it using two databases: the authors' own KDS database and Keystroke Dynamics - Benchmark Data Set online database. Following problems are studied theoretically and experimentally: classification accuracy, database representativeness, increase in typing proficiency and finally: time precision in samples acquisition. Results show that the impact of the database uniqueness on the experimental results is substantial and should not be disregarded in classification algorithm evaluation.