Knowledge Management in Bioinformatics, Computer Science Department, Humboldt-Universität zu Berlin, 10099 Berlin, Germany. tikk@informatik.hu-berlin.de|Knowledge Management in Bioinformatics, Computer Science Department, Humboldt-Universität zu Berlin, 10099 Berlin, Germany. tikk@informatik.hu-berlin.de|Knowledge Management in Bioinformatics, Computer Science Department, Humboldt-Universität zu Berlin, 10099 Berlin, Germany. tikk@informatik.hu-berlin.de|Knowledge Management in Bioinformatics, Computer Science Department, Humboldt-Universität zu Berlin, 10099 Berlin, Germany. tikk@informatik.hu-berlin.de