S. Nestler, F. Echtler, A. Dippon, G. Klinker Collaborative problem solving on mobile hand-held devices and stationary multi-touch interfaces PPD'08. Workshop on designing multi-touch interaction techniques for coupled public and private displays (bib)
	This paper focuses on the coupling of mobile hand-helds with a stationary multi-touch table top device for collaborative purposes. For different fields of application, such as the health care domain, the coupling of these two technologies is promising. For the example of sudoku puzzles we evaluated the collaboration between multi-touch table top devices and mobile hand-helds. During the small-scale evaluation we focused on the differences between face-to-face collaboration and remote collaboration when solving problems collaboratively on table top devices and hand-helds.
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