Sciweavers

2214 search results - page 153 / 443
» complexity 2004
Sort
View
CCCG
2004
13 years 11 months ago
Local properties of geometric graphs
We propose a definition of locality for properties of geometric graphs. We measure the local density of graphs using region-counting distances [8] between pairs of vertices, and w...
Jean Cardinal, Sébastien Collette, Stefan L...
PODS
2004
ACM
115views Database» more  PODS 2004»
14 years 10 months ago
Foundations of Semantic Web Databases
The Semantic Web is based on the idea of adding more machine-readable semantics to web information via annotations written in a language called the Resource Description Framework ...
Claudio Gutiérrez, Carlos A. Hurtado, Alber...
ICCSA
2005
Springer
14 years 3 months ago
A Formal Analysis of Fairness and Non-repudiation in the RSA-CEGD Protocol
Recently, Nenadi´c et al. (2004) proposed the RSA-CEGD protocol for certified delivery of e-goods. This is a relatively complex scheme based on verifiable and recoverable encryp...
Almudena Alcaide, Juan M. Estévez-Tapiador,...
ASIACRYPT
2004
Springer
14 years 3 months ago
Generic Homomorphic Undeniable Signatures
We introduce a new computational problem related to the interpolation of group homomorphisms which generalizes many famous cryptographic problems including discrete logarithm, Di...
Jean Monnerat, Serge Vaudenay
SODA
2004
ACM
128views Algorithms» more  SODA 2004»
13 years 11 months ago
Computing equilibria for congestion games with (im)perfect information
We study algorithmic questions concerning a basic microeconomic congestion game in which there is a single provider that offers a service to a set of potential customers. Each cus...
René Beier, Artur Czumaj, Piotr Krysta, Ber...