All national development plans of Nigeria in the past have stressed that the health care delivery system should be changed from its curative bias to a preventive bias because many of the diseases in the country are preventable. Nevertheless, they were "not able to achieve much success. In the current development plan, however, measures have been taken to correct some of the weakness of the earl...

network layer network layer QoS assurance Functional abstractions middleware events with context and temporal properties, event channels with quality properties message classes, messages with temporal properties, network reliability properties network dependent best effort message transfer Figure 6: Architectural layers. munication services as e.g. som form of reli le broadcast or group communi...

We design a schema language that includes channel schemas with capabilities of input, output, and input-output. These schemas may describe documents containing references to operations of remote services on the web. In this language, the subschema relation turns out to have an exponential cost. We therefore discuss a language restriction that admits a subschema relation with a polynomial cost.

Basic services like, e.g., routing, load balancing, or data management are essential for efficient usage of parallel and distributed systems. Therefore, the subproject A2 of our CRC376 has focused on design, analysis and implementation of such services. In this report we briefly survey the work of this subproject from 1995 until today. The main part of the report gives more detailed surveys on ...

insurance funds and other parties involved in the health care sector have realized the need to obtain specific data on health services provision. The task of health services research is to investigate the reality of health services provision under everyday conditions (German Medical Association 2005). Health services research has established itself as the third pillar of health research – along...