1. SemEval-2015 task 5: QA TempEval - evaluating temporal information understanding with question answering;Llorens,2015
2. TREC 2015 temporal summarization track overview;Aslam,2015
3. SemEval-2017 task 12: Clinical TempEval;Bethard,2017
4. SemEval-2013 task 1: TempEval-3: Evaluating time expressions, events, and temporal relations;UzZaman,2013
5. J. Strötgen, J. Zell, M. Gertz, HeidelTime: Tuning English and developing Spanish resources for TempEval-3, in: Proc. of the 7th International Workshop on Semantic Evaluation, 2013, pp. 15–19.