„… retrieval systems are restricted to the type of documents that they contain. In general, links between …” „… documents of different information sources are not in the scope of these systems. Links between documents of …” „… link-out and link-in services between the retrieval systems1. Such links between documents exist, albeit …”

„… electronic hardware passes through four loops. When defining the circuit, the exact electronic components …” „… example of this using an electric 2-speed drive axle. A virtual model of the axis itself and of the shift …” „… respective link does not necessarily have to be on the same level. For example, a requirement at level 2 can …”