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CRYPTO
2003
Springer
98views Cryptology» more  CRYPTO 2003»
15 years 7 months ago
A Message Authentication Code Based on Unimodular Matrix Groups
We present a new construction based on modular groups. A novel element of our construction is to embed each input into a sequence of matrices with determinant ±1, the product of w...
Matthew Cary, Ramarathnam Venkatesan
IJMMS
2007
91views more  IJMMS 2007»
15 years 1 months ago
Mining communities and their relationships in blogs: A study of online hate groups
Blogs, often treated as the equivalence of online personal diaries, have become one of the fastest growing types of Web-based media. Everyone is free to express their opinions and...
Michael Chau, Jennifer Jie Xu
GROUP
2010
ACM
14 years 12 months ago
The effects of group composition on decision quality in a social production community
Online social production communities allow efficient construction of valuable and high-quality information sources. To be successful, community members must be effective at collab...
Shyong K. Lam, Jawed Karim, John Riedl
XIMEP
2006
ACM
179views Database» more  XIMEP 2006»
15 years 8 months ago
Positional Grouping in XQuery
This paper proposes an extension to the XQuery language to solve the problem of positional grouping: that is, problems in which it is necessary to convert a flat sequence into a h...
Michael H. Kay
HICSS
2003
IEEE
167views Biometrics» more  HICSS 2003»
15 years 7 months ago
Discovering Group Interaction Patterns in a Teachers Professional Community
Managers and group leaders of a community may not have enough information to help them direct the community development. In this paper, we adopt social network analysis, graph the...
Fu-ren Lin, Chun-Hung Chen, Kuo-Lung Tsai