Topic Signatures in Political Campaign Speeches Clément Gautrais author Peggy Cellier author René Quiniou author Alexandre Termier author 2017-09 text Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing Martha Palmer editor Rebecca Hwa editor Sebastian Riedel editor Association for Computational Linguistics Copenhagen, Denmark conference publication gautrais-etal-2017-topic 10.18653/v1/D17-1249 https://aclanthology.org/D17-1249/ 2017-09 2342 2347