A machine-learning based model to identify PhD-level skills in job ads Li’An Chen author Inger Mewburn author Hanna Suonimen author 2020-12 text Proceedings of the 18th Annual Workshop of the Australasian Language Technology Association Maria Kim editor Daniel Beck editor Meladel Mistica editor Australasian Language Technology Association Virtual Workshop conference publication chen-etal-2020-machine https://aclanthology.org/2020.alta-1.8/ 2020-12 72 80