An adaptive calendar assistant using pattern mining for user preference modelling

  • Authors:
  • Alfred Krzywicki;Wayne Wobcke;Anna Wong

  • Affiliations:
  • University of New South Wales, Sydney, Australia;University of New South Wales, Sydney, Australia;University of New South Wales, Sydney, Australia

  • Venue:
  • Proceedings of the 15th international conference on Intelligent user interfaces
  • Year:
  • 2010

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Abstract

In this paper, we present SmartCal, a calendar assistant that suggests appointment attributes, such as time, day, duration, etc., given any combination of initial user input attributes. SmartCal uses closed pattern mining to discover patterns in past appointment data in order to represent user preferences and adapt to changing user preferences over time. The SmartCal interface is designed to be minimally intrusive: users are free to choose or ignore suggestions, which are dynamically updated as users enter new information. The user model as a collection of patterns is intuitive and transparent: users can view and edit existing patterns or create new patterns based on existing appointments. SmartCal was evaluated in a user study with four users over a four week period. The user study shows that pattern mining makes appointment creation more efficient and users regarded the appointment suggestion feature favourably.