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IUI
2006
ACM
14 years 3 months ago
Are two talking heads better than one?: when should use more than one agent in e-learning?
Recent interest in the use of software character agents raises the issue of how many agents should be used in online learning. In this paper we review evidence concerning the rela...
Hua Wang, Mark H. Chignell, Mitsuru Ishizuka
MMSEC
2006
ACM
148views Multimedia» more  MMSEC 2006»
14 years 3 months ago
Minimizing the embedding impact in steganography
In this paper, we study the trade-off in steganography between the number of embedding changes and their amplitude. We assume that each element of the cover image is assigned a sc...
Jessica J. Fridrich
NORDICHI
2006
ACM
14 years 3 months ago
Tac-tiles: multimodal pie charts for visually impaired users
Tac-tiles is an accessible interface that allows visually impaired users to browse graphical information using tactile and audio feedback. The system uses a graphics tablet which ...
Steven A. Wall, Stephen A. Brewster
NSPW
2006
ACM
14 years 3 months ago
PKI design for the real world
What would a PKI look like if it were designed for implementability and deployability rather than strict adherence to a particular theoretical or mathematical model? This paper pr...
Peter Gutmann
SAC
2006
ACM
14 years 3 months ago
The advent of trusted computing: implications for digital forensics
The release of computer hardware devices based on “trusted computing” technologies is heralding a paradigm shift that will have profound implications for digital forensics. In...
Mike Burmester, Judie Mulholland