Sciweavers

1636 search results - page 140 / 328
» From Usability Lab to
Sort
View
SASO
2007
IEEE
14 years 5 months ago
In Search of Simplicity: A Self-Organizing Group Communication Overlay
Group communication primitives have broad utility as building blocks for distributed applications. The challenge is to create and maintain the distributed structures that support ...
Matei Ripeanu, Adriana Iamnitchi, Ian T. Foster, A...
AIED
2007
Springer
14 years 5 months ago
Explaining Self-Explaining: A Contrast between Content and Generation
Self-explaining has been repeatedly shown to result in positive learning outcomes for students in a wide variety of disciplines. However, there are two potential accounts for why s...
Robert G. M. Hausmann, Kurt VanLehn
PERVASIVE
2007
Springer
14 years 4 months ago
Explorations and Experiences with Ambient Information Systems
We have developed a series of ambient information systems and used each in our research lab for extended periods of time. The systems use technologies such as RFID, RSS, and Phidg...
John T. Stasko, Myungcheol Doo, Brian Dorn, Christ...
ICMCS
2006
IEEE
132views Multimedia» more  ICMCS 2006»
14 years 4 months ago
Analysis and Evaluation of the Skype and Google-Talk Voip Systems
In this paper, we study Skype and Google Talk, two widely used VoIP systems, and compare their perceptual speech quality with that of our proposed system using UDP packet traces c...
Batu Sat, Benjamin W. Wah
ICMCS
2006
IEEE
181views Multimedia» more  ICMCS 2006»
14 years 4 months ago
A Novel Distributed and Practical Incentive Mechanism for Peer to Peer Live Video Streaming
The successful deployment of peer-to-peer (P2P) live video streaming systems has practically demonstrated that it can scale to reliably support a large population of peers. Howeve...
Yun Tang, Lifeng Sun, Meng Zhang, Shiqiang Yang, Y...