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CCS
2010
ACM
15 years 6 months ago
Hierarchical attribute-based encryption for fine-grained access control in cloud storage services
Cloud computing, as an emerging computing paradigm, enables users to remotely store their data into a cloud so as to enjoy scalable services on-demand. Especially for small and me...
Guojun Wang, Qin Liu, Jie Wu
DEBS
2011
ACM
14 years 10 months ago
Declarative data-driven coordination
Many data-driven social and Web applications involve collaboration and coordination. The vision of declarative data-driven coordination (D3C), proposed in [9], is to support coord...
Johannes Gehrke
STOC
2012
ACM
196views Algorithms» more  STOC 2012»
13 years 9 months ago
Time-space tradeoffs in resolution: superpolynomial lower bounds for superlinear space
We give the first time-space tradeoff lower bounds for Resolution proofs that apply to superlinear space. In particular, we show that there are formulas of size N that have Reso...
Paul Beame, Christopher Beck, Russell Impagliazzo
SI3D
2003
ACM
15 years 11 months ago
Opacity light fields: interactive rendering of surface light fields with view-dependent opacity
We present new hardware-accelerated techniques for rendering surface light fields with opacity hulls that allow for interactive visualization of objects that have complex reflec...
Daniel Vlasic, Hanspeter Pfister, Sergey Molinov, ...
ECCE
2007
15 years 8 months ago
Cross-participants: fostering design-use mediation in an open source software community
Motivation – This research aims at investigating emerging roles and forms of participation fostering design-use mediation during the Open Source Software design process Research...
Flore Barcellini, Françoise Détienne...