ULISBOA at SemEval-2016 Task 12: Extraction of temporal expressions, clinical events and relations using IBEnt. - Márcia Barros; Andre Lamurias; Gonçalo Figueiró; Marta Antunes; Joana Teixeira; Alexandre Pinheiro; Francisco M. Couto (SemEval@NAACL-HLT, 2016)