Institute of Computer Science, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany. martin.nettling@informatik.uni-halle.de.|Leibniz Institute of Plant Biochemistry, Halle (Saale), Germany. hendrik.treutler@ipb-halle.de.|Institute of Computer Science, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany. jan.grau@informatik.uni-halle.de.|Institute for Biosafety in Plant Biotechnology, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, Quedlinburg, Germany. jens.keilwagen@jki.bund.de.|Institute of Computer Science, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany. stefan.posch@informatik.uni-halle.de.|Institute of Computer Science, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany. ivo.grosse@informatik.uni-halle.de.