Using Learning-To-Rank to Enhance NLM Medical Text Indexer Results Ilya Zavorin author James Mork author Dina Demner-Fushman author 2016-08 text Proceedings of the Fourth BioASQ workshop Ioannis A Kakadiaris editor George Paliouras editor Anastasia Krithara editor Association for Computational Linguistics Berlin, Germany conference publication zavorin-etal-2016-using 10.18653/v1/W16-3102 https://aclanthology.org/W16-3102/ 2016-08 8 15