Weiwei Cheng, Krzysztof Dembczyński, Eyke Hüllermeier, Adrian Jaroszewicz and Willem Waegeman during the conference Joint Rough Set Symposium (JRS’2012), Chengdu, China, 17-20 August 2012 received the 2nd place award in the “JRS 2012 Data Mining Competition: Topical Classification of Biomedical Research Papers” for paper “F-Measure Maximization in Topical Classification”.