Group-oriented web information systems (GWISs) are web-based dataintensive systems that are used by a group of people in order to fulfill common tasks. In particular, there are different roles for the users, each associated with some rights and obligations. The group orientation implies that some of these obligations and rights depend on actions done by other roles. In this article a deontic lo...

Recently several agent architectures have been proposed that incorporate obligations. However, agent specification or verification languages that take obligations into account have received less attention. Our research question is how properties involving obligations can be specified or verified in an extension of Rao and Georgeff's B D I C T L In Section 2 we extend B D I C T L with so-called ...

Recently several agent architectures have been proposed that incorporate obligations. However, agent specification or verification languages that take obligations into account have received less attention. Our research question is how properties involving obligations can be specified or verified in an extension of Rao and Georgeff’s BDICTL. In Section 2 we extend BDICTL with so-called Standard ...

We analyze a number of properties obligations have or should have. We will not present a definite answer what an obligation “is”, but rather point out the numerous possibilities to consider, as well as some of their interrelations.

BACKGROUND Although health is a right of all individuals without any distinction, the realisation of this right has remained very difficult for the marginalised populations of poor countries. Inequitable distribution of health opportunities globally is a major factor in explaining why this is the case. Whereas the Protection, Promotion and Fulfilment of the health rights of poor country citizen...

The central idea of the Moral Impact Theory is that legal obligations are those genuine obligations that obtain in virtue of the actions of legal institutions. (If we formulate this idea in terms of moral obligations, the paradigm of genuine obligations, we get the view that legal obligations are those moral obligations that obtain in virtue of the actions of legal institutions.) What philosoph...

Purchase obligations are forward contracts with suppliers. This paper is the first to document that these contracts are a risk management tool and have a material impact on corporate hedging activity. Purchase obligations are used more broadly than traded commodity derivatives, even when firms approach financial distress. Firms that expand their risk management options following the introductio...