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CN
2006
81views more  CN 2006»
13 years 8 months ago
Taxonomy of trust: Categorizing P2P reputation systems
The field of peer-to-peer reputation systems has exploded in the last few years. Our goal is to organize existing ideas and work to facilitate system design. We present a taxonomy...
Sergio Marti, Hector Garcia-Molina
CORR
2006
Springer
76views Education» more  CORR 2006»
13 years 8 months ago
Complexity Constrained Noise-Free CDMA: Optimal Power Distribution and Spectral Efficiency
The issue of multiuser cooperation in a complexity constrained noise-free CDMA channel is addressed. Multiuser cooperation is imperative if conventional demodulation is expected to...
Rodrigo de Miguel, Ralf R. Müller
ECCC
2006
75views more  ECCC 2006»
13 years 8 months ago
Note on MAX 2SAT
In this note we present an approximation algorithm for MAX 2SAT that given a (1 - ) satisfiable instance finds an assignment of variables satisfying a 1 - O( ) fraction of all co...
Moses Charikar, Konstantin Makarychev, Yury Makary...
ENTCS
2006
115views more  ENTCS 2006»
13 years 8 months ago
Using ATL for Checking Models
Working with models often requires the ability to assert the compliance of a given model to a given set of constraints. Some tools are able to check OCL invariants on UML models. ...
Jean Bézivin, Frédéric Jouaul...
ENTCS
2006
192views more  ENTCS 2006»
13 years 8 months ago
Model Transformation From VisualOCL to OCL Using Graph Transformation
In this paper we present a model transformation from a visual representation (VisualOCL) of the Object Constraint Language (OCL) to the textual one using graph transformation. Sta...
Karsten Ehrig, Jessica Winkelmann