HeidelTime: Tuning English and Developing Spanish Resources for TempEval-3. - Jannik Strötgen; Julian Zell; Michael Gertz 001 (SemEval@NAACL-HLT, 2013)

Chinese Temporal Tagging with HeidelTime. - Hui Li 017; Jannik Strötgen; Julian Zell; Michael Gertz 001 (EACL, 2014)

Extending HeidelTime for Temporal Expressions Referring to Historic Dates. - Jannik Strötgen; Thomas Bögel; Julian Zell; Ayser Armiti; Tran Van Canh; Michael Gertz 001 (LREC, 2014)

Time for More Languages: Temporal Tagging of Arabic, Italian, Spanish, and Vietnamese. - Jannik Strötgen; Ayser Armiti; Tran Van Canh; Julian Zell; Michael Gertz 001 (ACM Trans. Asian Lang. Inf. Process., 2014)