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IPPS
2009
IEEE
14 years 2 months ago
BarterCast: A practical approach to prevent lazy freeriding in P2P networks
A well-known problem in P2P systems is freeriding, where users do not share content if there is no incentive to do so. In this paper, we distinguish lazy freeriders that are merel...
Michel Meulpolder, Johan A. Pouwelse, Dick H. J. E...
AINA
2007
IEEE
14 years 2 months ago
Heuristics for Improving Cryptographic Key Assignment in a Hierarchy
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
Anne V. D. M. Kayem, Patrick Martin, Selim G. Akl
SOSP
2005
ACM
14 years 4 months ago
Implementing declarative overlays
Overlay networks are used today in a variety of distributed systems ranging from file-sharing and storage systems to communication infrastructures. However, designing, building a...
Boon Thau Loo, Tyson Condie, Joseph M. Hellerstein...
JIRS
2000
118views more  JIRS 2000»
13 years 7 months ago
A Flexible Microrobot-Based Microassembly Station
Abstract. A wide range of microcomponents can today be produced using various microfabrication techniques. The assembly of complex microsystems consisting of several single compone...
Sergej Fatikow, Jörg Seyfried, Stephan Fahlbu...
SIGMOD
2010
ACM
255views Database» more  SIGMOD 2010»
14 years 26 days ago
Large graph processing in the cloud
As the study of graphs, such as web and social graphs, becomes increasingly popular, the requirements of efficiency and programming flexibility of large graph processing tasks c...
Rishan Chen, Xuetian Weng, Bingsheng He, Mao Yang