Using data from an e-voting experiment conducted in the 2005 Congressional Election in Argentina, we estimate the effect of different e-voting technologies on the likelihood that citizens cast their vote for different parties for the National Congress and the Legislature of Buenos Aires. Our results indicate that voters are extremely receptive to the information cues provided by the different v...

We define secure implementation with partially honest agents in a social choice model and we show that strategy-proofness is a necessary and sufficient condition for it. This result offers a behavioral foundation for rectangularity ; and it remains valid even with only one partially honest agent. We apply the concept to a single-crossing voting environment, and we prove that it characterizes th...

To cope with the challenges in IT service management, methods are required that purposefully reduce the complexity inherent to enterprises – with regard to both business and IT –, facilitate communication among groups of stakeholders and support the management of IT services along their life cycle. In this paper we investigate the potentials of an enterprise modelling approach to IT service man...

Context modelling is a subject that has attracted much attention in recent years. Currently most of the effort is directed in developing rather specific models for various domain applications. In this paper we take a more generic view of the problem and even though we do not present a concrete model we provide a framework as a starting point for building context models for a variety of domain a...

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