There is a class of complex problems where solutions must satisfy multiple subjective criteria, while meeting specific quantifiable constraints. Route planning for leisurely travel is an example of a problem in this class, where constraints including total available time, transit times, and budget constraints determine whether a potential solution is acceptable to the prospective traveller. In this paper we present an interface that leverages, metaphorically, the elastic properties of a rubber band to allow playful interaction with relevant constraints. The resulting touch-based human computer interface enables the traveller to explore the solution space in the sense that constraints can be played with in order to find a route that meets the traveller’s subjective preferences. Formal step-by-step evaluation with nine subjects confirms that leveraging the rubber band metaphor is useful in constraint satisfaction and that using the interface is intuitive since it leverages real-world experiences.

Item Type:	Refereed Conference Paper
Keywords:	interaction, exploration, constraints, elasticity, tourism
Research Division:	Information and Computing Sciences
Research Group:	Information Systems
Research Field:	Computer-Human Interaction
Objective Division:	Information and Communication Services
Objective Group:	Other Information and Communication Services
Objective Field:	Information and Communication Services not elsewhere classified
Author:	Bennett, AC (Mr Andrew Bennett)
Author:	Lueg, C (Professor Christopher Lueg)
ID Code:	92258
Year Published:	2014
Deposited By:	Computing and Information Systems
Deposited On:	2014-06-11
Last Modified:	2015-10-19
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