231 search results - page 20 / 47 » Flexible Collective Operations for Distributed Object Groups |
CSCW
1996
ACM
15 years 3 months ago
1996
ACM
Collaborative systems provide a rich but potentially chaotic environment for their users. This paper presents a system that allows users to control collaboration by enacting polic...
TEI
2010
ACM
15 years 6 months ago
2010
ACM
Since commercial musical recordings became available about a century ago and until very recently, they had always been distributed by means of a physical support. Nowadays that re...
112
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SACMAT
2010
ACM
15 years 4 months ago
2010
ACM
Access to distributed databases containing tuples collected about mobile physical objects requires information about the objects’ trajectories. Existing access control models ca...
SACMAT
2009
ACM
15 years 6 months ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
128
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STOC
2002
ACM
16 years 1 days ago
2002
ACM
A locality sensitive hashing scheme is a distribution on a family F of hash functions operating on a collection of objects, such that for two objects x, y, PrhF [h(x) = h(y)] = si...