Using internet for media-based real-time collaboration has become widespread activity. In this paper, we present a framework called CoUniverse, designed for building realtime user...
We have developed a desktop meeting environment named FreeWalk that supports casual meetings in a 3-dimensional (3D) virtual shared space, community common. Tools for human commun...
Middleboxes are ubiquitous in today’s networks and perform a variety of important functions, including IDS, VPN, firewalling, and WAN optimization. These functions differ vastl...
— Centrality is a concept often used in social network analysis to study different properties of networks that are modeled as graphs. We present a new centrality metric called Lo...
Password policies alone do not stand a chance of securing computer systems which rely on the use of secretbased, password authentication methods. The enforcement of "strong&q...