1. Topic detection and tracking: Event-based information organization,2002
2. Maintaining knowledge about temporal intervals;Allen;CACM,1983
3. Alonso, Omar, Baeza-yates, Ricardo, Strötgen, Jannik, & Gertz, Michael, (2011). Temporal information retrieval: Challenges and opportunities. In TWAW 2011.
4. Arikan, I., Bedathur, S. J., & Berberich, K. (2009). Time will tell: Leveraging temporal expressions in IR. In WSDM 2009.
5. Au Yeung, C.-M., & Jatowt, A. (2011). Studying how the past is remembered: Towards computational history through large scale text mining. In CIKM 2011 (pp. 1231–1240).