Markdown (Informal)
[HeidelTime: Tuning English and Developing Spanish Resources for TempEval-3](https://aclanthology.org/S13-2003) (Strötgen et al., SemEval 2013)
ACL
- Jannik Strötgen, Julian Zell, and Michael Gertz. 2013. HeidelTime: Tuning English and Developing Spanish Resources for TempEval-3. In Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013), pages 15–19, Atlanta, Georgia, USA. Association for Computational Linguistics.