Markdown (Informal)
[Exploring Topic Continuation Follow-up Questions using Machine Learning](https://aclanthology.org/N09-3003) (Kirschner & Bernardi, NAACL 2009)
ACL
- Manuel Kirschner and Raffaella Bernardi. 2009. Exploring Topic Continuation Follow-up Questions using Machine Learning. In Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Student Research Workshop and Doctoral Consortium, pages 13–18, Boulder, Colorado. Association for Computational Linguistics.