144 search results - page 25 / 29 » Fair exchange in E-commerce |
IIWAS
2008
13 years 8 months ago
2008
In a service-oriented architecture, systems communicate by exchanging messages. In this work, we propose a formal model based on OCL-constrained UML Class diagrams and a methodolo...
SEC
2008
13 years 8 months ago
2008
Abstract. In recent security architectures, it is possible that the security policy is not evaluated in a centralized way but requires negotiation between the subject who is reques...
MONET
2008
13 years 7 months ago
2008
This paper investigates a distributed and adaptive approach to manage spectrum usage in dynamic spectrum access networks. While previous works focus on centralized provisioning, w...
TMC
2008
13 years 7 months ago
2008
Abstract--In wireless ad hoc networks, in addition to the well-known hidden terminal and exposed terminal problems, the locationdependent contention may cause serious unfairness an...
TWC
2008
13 years 7 months ago
2008
We consider resource allocation for elastic wireless applications that measure utility by target connection average throughput and achieved throughput. We construct a framework for...