@conference {384, title = {Proceedings of the 6th BioASQ Workshop A challenge on large-scale biomedical semantic indexing and question answering}, booktitle = {Proceedings of the 6th BioASQ Workshop A challenge on large-scale biomedical semantic indexing and question answering}, year = {2018}, url = {https://www.aclweb.org/anthology/W18-5300.pdf}, author = {Kakadiaris, Ioannis and Paliouras, George and Krithara, Anastasia} }