NTNU-1@ScienceIE at SemEval-2017 Task 10: Identifying and Labelling Keyphrases with Conditional Random Fields Erwin Marsi author Utpal Kumar Sikdar author Cristina Marco author Biswanath Barik author Rune Sætre author 2017-08 text Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval-2017) Steven Bethard editor Marine Carpuat editor Marianna Apidianaki editor Saif M Mohammad editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Vancouver, Canada conference publication marsi-etal-2017-ntnu 10.18653/v1/S17-2162 https://aclanthology.org/S17-2162/ 2017-08 938 941