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In the absence of legal enforcement procedures for the participants of an open e-marketplace, trust and reputation systems are central for resisting against threats from malicious agents. Such systems provide mechanisms for identifying the participants who disseminate unfair ratings. However, it is possible that some of the honest participants are also(More)
Twenty-five renal transplant patients and 17 controls were vaccinated with influenza vaccine. Antibody titres were estimated before and one, three, and 12 months after vaccination. On the basis of antibody titre measurements the transplant group showed a similar qualitative and quantitative response to that of the controls. No rejection episodes occurred(More)
There is an imperative need to develop methods that can rapidly and accurately determine individual exposure to radiation for screening (triage) populations and guiding medical treatment in an emergency response to a large-scale radiological/nuclear event. To this end, a number of methods that rely on dose-dependent chemical and/or physical alterations in(More)
There has been a lot of research and development in the field of computational trust in the past decade. Much of it has acknowledged or claimed that trust is a good thing. We think it's time to look at the other side of the coin and ask the questions why is it good, what alternatives are there, where do they fit, and is our assumption always correct? We(More)