bioethics is a novel branch in the field of applied normative ethics that analyze challenges and problems resulted from creation and development of new biotechnology. nowadays necessity of prohibition in some scope of bioethics is attracted by some legalists and moralists. in this direction, one of the related issue about bioethics is use of penal sanctions protecting these prohibitions. there ...

This paper is focused on flexible universal quantification-like queries handling simultaneously positive and negative preferences (requirements or prohibitions). We emphasise the performance improvement of considered operator by proposing new variants classical hash-division algorithm. The issue answers ranking also dealt with. target in our work memory databases systems (also called main-memor...

Norms describe the permissions, prohibitions and obligations of agents in multi-agent systems in order to regulate their behavior. In this paper we propose a normative modeling language that makes possible the modeling of norms motivating the modeling of such norms together with the nonnormative part of the system. In addition, we also propose a mechanism to validate the norms at design time, i...