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PKC
2012
Springer
235views Cryptology» more  PKC 2012»
13 years 2 months ago
Improved Security for Linearly Homomorphic Signatures: A Generic Framework
ded abstract of this work will appear in Public Key Cryptography — PKC 2012. This is the full version. We propose a general framework that converts (ordinary) signature schemes ...
David Mandell Freeman
CHI
2011
ACM
14 years 3 months ago
Computers can't give credit: how automatic attribution falls short in an online remixing community
In this paper, we explore the role that attribution plays in shaping user reactions to content reuse, or remixing, in a large user-generated content community. We present two stud...
Andrés Monroy-Hernández, Benjamin Ma...
MOC
1998
75views more  MOC 1998»
14 years 11 months ago
Steiner systems S(5, 6, v) with v = 72 and 84
It is proved that there are precisely 4204 pairwise non-isomorphic Steiner systems S(5, 6, 72) invariant under the group PSL2(71) and which can be constructed using only short orbi...
Mike J. Grannell, Terry S. Griggs, Rudolf Mathon
ANTS
2006
Springer
95views Algorithms» more  ANTS 2006»
15 years 3 months ago
Computing Pro-P Galois Groups
We describe methods for explicit computation of Galois groups of certain tamely ramified p-extensions. In the finite case this yields a short list of candidates for the Galois grou...
Nigel Boston, Harris Nover
CHI
2003
ACM
16 years 5 days ago
'Today' messages: lightweight group awareness via email
`Today' messages are short daily status emails sent by members of a project team to each other. Their original purpose was to take the place of status updates at meetings. Ho...
A. J. Bernheim Brush, Alan Borning