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TCC
2004
Springer
164views Cryptology» more  TCC 2004»
13 years 11 months ago
Hierarchical Threshold Secret Sharing
We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of participants that is partitioned ...
Tamir Tassa
HT
1993
ACM
13 years 10 months ago
Concurrency Control in Collaborative Hypertext Systems
Traditional concurrency control techniques for database systems (transaction management based on locking protocols) have been successful in many multiuser settings, but these tech...
Uffe Kock Wiil, John J. Leggett
WETICE
2003
IEEE
13 years 11 months ago
WebDAVA: An Administrator-Free Approach To Web File-Sharing
Collaboration over the Internet depends on the ability of the members of a group to exchange data in a secure yet unobtrusive manner. WebDAVA is a system that allows users to deļ¬...
Alexander Levine, Vassilis Prevelakis, John Ioanni...
CHI
2009
ACM
13 years 11 months ago
A tag in the hand: supporting semantic, social, and spatial navigation in museums
Designers of mobile, social systems must carefully think about how to help their users manage spatial, semantic, and social modes of navigation. Here, we describe our deployment o...
Dan Cosley, Jonathan Baxter, Soyoung Lee, Brian Al...