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AIED
2009
Springer
16 years 1 months ago
Who Helps When the Tutor Is Asleep?
While many computer tutoring systems have long been delivered as desktop applications, these systems have only recently begun to appear on mobile devices. In this work we apply pri...
Quincy Brown, Dario D. Salvucci, Frank J. Lee, Vin...
185
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APPROX
2009
Springer
142views Algorithms» more  APPROX 2009»
16 years 1 months ago
Truthful Mechanisms via Greedy Iterative Packing
An important research thread in algorithmic game theory studies the design of efficient truthful mechanisms that approximate the optimal social welfare. A fundamental question is ...
Chandra Chekuri, Iftah Gamzu
NOSSDAV
2009
Springer
16 years 1 months ago
Adaptive overlay topology for mesh-based P2P-TV systems
In this paper, we propose a simple and fully distributed mechanism for constructing and maintaining the overlay topology in mesh-based P2P-TV systems. Our algorithm optimizes the ...
Richard John Lobb, Ana Paula Couto da Silva, Emili...
NOSSDAV
2009
Springer
16 years 1 months ago
Dynamic overlay multicast in 3D video collaborative systems
Multi-stream/multi-site 3D video collaborative systems are promising as they enable remote users to interact in a 3D virtual space with a sense of co-presence. However, the decent...
Wanmin Wu, Zhenyu Yang, Klara Nahrstedt
SACRYPT
2009
Springer
155views Cryptology» more  SACRYPT 2009»
16 years 1 months ago
Practical Collisions for SHAMATA-256
In this paper, we present a collision attack on the SHA-3 submission SHAMATA. SHAMATA is a stream cipher-like hash function design with components of the AES, and it is one of the ...
Sebastiaan Indesteege, Florian Mendel, Bart Prenee...