Hitachi at SemEval-2016 Task 12: A Hybrid Approach for Temporal Information Extraction from Clinical Notes. - Sarath P. R.; Manikandan R; Yoshiki Niwa (SemEval@NAACL-HLT, 2016)

Numerical Atrribute Extraction from Clinical Texts. - Sarath P. R.; Sunil Mandhan; Yoshiki Niwa (CoRR, 2016)

Hitachi at SemEval-2017 Task 12: System for temporal information extraction from clinical notes. - Sarath P. R.; Manikandan R; Yoshiki Niwa (SemEval@ACL, 2017)