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DCC
2007
IEEE
14 years 8 months ago
Lifting of divisible designs
The aim of this paper is to present a construction of t-divisible designs for t > 3, because such divisible designs seem to be missing in the literature. To this end, tools suc...
Andrea Blunck, Hans Havlicek, Corrado Zanella
AIED
2007
Springer
14 years 3 months ago
MathGirls: Toward Developing Girls' Positive Attitude and Self-Efficacy through Pedagogical Agents
MathGirls is a pedagogical-agent-based environment designed for high-school girls learning introductory algebra. Since females are in general more interested in interactive computi...
Yanghee Kim, Quan Wei, Beijie Xu, Youngah Ko, Vess...
COCO
2007
Springer
75views Algorithms» more  COCO 2007»
14 years 3 months ago
On the Theory of Matchgate Computations
Valiant has proposed a new theory of algorithmic computation based on perfect matchings and Pfaffians. We study the properties of matchgates—the basic building blocks in this n...
Jin-yi Cai, Vinay Choudhary, Pinyan Lu
CRYPTO
2007
Springer
132views Cryptology» more  CRYPTO 2007»
14 years 3 months ago
Secure Hybrid Encryption from Weakened Key Encapsulation
We put forward a new paradigm for building hybrid encryption schemes from constrained chosen-ciphertext secure (CCCA) key-encapsulation mechanisms (KEMs) plus authenticated symmet...
Dennis Hofheinz, Eike Kiltz
SKG
2006
IEEE
14 years 2 months ago
Hierarchical Multicast Tree Algorithms of Data Grid
Data Grid is one of the important research subjects in the field of Grid Computing. To get a high efficiency of the system, this paper proposes a set of novel multicast algorithms...
Weijia Jia, Qingfeng Fan, Qiongli Wu, Yanxiang He