We present the traffic analysis problem and expose the most important protocols, attacks and design issues. Afterwards, we propose directions for further research. As we are mostl...
With the advent of the Tablet PC and stylus-based PDAs, sketching-based user interfaces for design tools have become popular. However, a major challenge with such interfaces is th...
SpeechActs is an experimental conversational speech system. Experience with redesigning the system based on user feedback indicates the importance of adhering to conversational co...
This paper presents CSVTool (Collaboration Supported by Video Tool), a video-based collaboration tool designed to be simple, platform-independent, and to support multiple users ov...
Cesar Tadeu Pozzer, Luciana dos S. Lima, Alberto B...
This paper presents results from the analysis of data collected during a 3-year user-oriented longitudinal and empirical on-line evaluation of the use of the Dublin Core metadata ...