CHEMDNER challenge overview paper with summary tables of systems performance , methods , features and used resources : •

A.1. CHEMDNER challenge overview paper with summary tables of systems performance, methods, features and used resources: The drugs and chemical names extraction challenge. J Cheminform A.2. Participating teams detailed system description/update papers (selected after peer review process): Team 184: Riza Batista-Navarro, Rafal Rak and Sophia Ananiadou. Optimising chemical named entity recognition with pre-processing analytics, knowledge-rich features and heuristics. J Cheminform A tool for the differential identification of several classes of chemical entities. J Cheminform