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ISCC
2007
IEEE
136views Communications» more  ISCC 2007»
14 years 1 months ago
Analysis of the IPv4 Address Space Delegation Structure
The Internet has grown tremendously in terms of the number of users who rely on it and the number of organizations that are connected to it. Characterizing how this growth affects...
Anusha Sriraman, Kevin R. B. Butler, Patrick Drew ...
VTC
2007
IEEE
105views Communications» more  VTC 2007»
14 years 1 months ago
Random Beamforming OFDMA for Future Generation Cellular Communication Systems
—This paper presents a downlink performance analysis of a Layered Random Beamforming (LRB) - MIMO-OFDMA Physical Layer (PHY) as applicable to future generation wireless communica...
Congzheng Han, Angela Doufexi, Simon Armour, Joe M...
AIED
2007
Springer
14 years 1 months ago
Can Help Seeking Be Tutored? Searching for the Secret Sauce of Metacognitive Tutoring
In our on-going endeavor to teach students better help-seeking skills we designed a three-pronged Help-Seeking Support Environment that includes (a) classroom instruction (b) a Sel...
Ido Roll, Vincent Aleven, Bruce M. McLaren, Kennet...
CCS
2007
ACM
14 years 1 months ago
Protecting users from "themselves"
Computer usage and threat models have changed drastically since the advent of access control systems in the 1960s. Instead of multiple users sharing a single file system, each us...
William Enck, Sandra Rueda, Joshua Schiffman, Yoge...
CCS
2007
ACM
14 years 1 months ago
Implementing and testing dynamic timeout adjustment as a dos counter-measure
In this paper we experimentally analyse various dynamic timeout adjustment strategies in server queues as potential counter-measures against degradation of service attacks. Previo...
Daniel Boteanu, Edouard Reich, José M. Fern...