We propose a language that allows agents to distribute data with usage policies in a decentralized architecture. In our framework, the compliance with usage policies is not enforced. However, agents may be audited by an authority at an arbitrary moment in time. We design a logic that allows audited agents to prove their actions, and to prove their authorization to posses particular data. Accoun...

A significant and growing class of location-based mobile applications aggregate position data from individual devices at a server and compute aggregate statistics over these position streams. Because these devices can be linked to the movement of individuals, there is significant danger that the aggregate computation will violate the location privacy of individuals. This paper develops and eval...

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| In most commercial and legal transactions, the ability to hold individuals or organizations accountable for transactions is important. Hence, electronic protocols that implement commercial transactions must be designed to provide adequate accountability assurances for transacting parties. Without such assurances, electronic transactions can be susceptible to disputes. Currently, protocol desi...

This paper examines the economic and political determinants of observed variations in quality budgetary institutions 31 selected African countries from 2005 to 2017. The is measured using World Bank?s Country Policy Institution Assessment score. empirical analysis utilises Ordinary Least Squares, two-stage least squares, two-step generalized method moment, random effects probit mixed models. mo...

We propose that accountability be a first-class network service, independent of addressing and routing. We design a scheme for allowing accountability services, rather than connectivity-providing ISPs, to vouch for traffic, allowing victims to report abuse, filter abusive traffic, and isolate malicious senders. We discuss how accountability services may evolve, how they may facilitate new appli...

China ratified the International Covenant on Economic, Social and Cultural Rights in 2001. It thus bears obligations under Article 12 of the covenant to take appropriate measures at the domestic level to realize the right to health in China. Accountability is an important component of the right to health. This article examines whether the Western concept of accountability, recently imported int...

Hanushek and Raymond have provided us with an elegant and coherent set of arguments for accountability in the public provision of education. Their main empirical contribution is the characterization of the different types of accountability systems in the United States. They go on to show how the operation of incentives in the public sector is not easy to administer and evaluate. Specifically th...

This paper discusses the role of accountability in responsibility ascriptions regarding information and communication technology (ICT). It starts with a definition of responsibility as the social construct representing the ascription of an object to a subject. Recounting the traditional responsibility, the paper will point out the weaknesses of responsibility with regards to ICT. It will then p...