The relation between law and morality is a point of contention amongst legal philosophers. There are several issues: first, the extent to which law should incorporate moral standards; second, the effect of moral status on legal validity (the "validity question"); third, the effect of legal validity on the obligation created by the law (the "obedience question"). Because most positivists concede...

Workflow technology has recently been employed not only within businesses but also as a framework for implementing services over the Internet. With the advancement and spreading of various mobile technologies and infrastructures, there is increasing demand for mobile users to connect to workflow management systems (WFMS). The basic requirement is to support SMS, WAP and web browsers on PDAs, in...

In this paper the GPU implementation of a real-time isosurface volume-rendering system is described in detail, which aims at autostereoscopic displays. Since autostereoscopic displays provide images for many views, and thus require different camera settings in each pixel, and even in the three color channels of a pixel, naive rendering approaches would slow down the rendering process by a facto...

In this article we present RoSeS (Really Open Simple and Efficient Syndication), a generic framework for content-based RSS feed querying and aggregation. RoSeS is based on a data-centric approach, using a combination of standard database concepts like declarative query languages, views and multi-query optimization. Users create personalized feeds by defining and composing content-based filterin...