Sebastian Kirch

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The Business Process Execution Language (BPEL) is a reasonable choice for modeling workflows in a web service environment, but it has a high acceptance threshold for users with no workflow skills. To improve the usability of BPEL for non-tech savvy scientific end users, we present SimpleBPEL, a modeling tool for composing workflows of SimpleBPEL fragments(More)
BACKGROUND Rheumatoid arthritis (RA) is a systemic inflammatory disease characterized by functional disability and pain. Although acupuncture is widely used, until now Western acupuncture studies on RA have not shown conclusive positive results. Acupuncture is regarded as a reflex therapy that has effects on the human autonomic nervous system. By(More)
Objective.  Primary adhesive capsulitis (AC), or frozen shoulder, is an insidious and idiopathic disease. Severe pain is predominant in the first two of the three stages of the condition, which can last up to 21 months. Design, Setting, and Subjects.  Sixty volunteers with primary AC were randomly assigned to acupuncture with press tack needles compared(More)
Motivation: In many media applications, there is a need to index very large amounts of audiovisual content in a minimum of time. Due to their scalability, Grid infrastructures are well suited for processing a large number of media files. Within the BMBF1-funded research project MediaGrid2, a distributed media analysis platform is currently being developed.(More)
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