No Noun Phrase Left Behind: Detecting and Typing Unlinkable Entities Thomas Lin author Mausam author Oren Etzioni author 2012-07 text Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning Jun’ichi Tsujii editor James Henderson editor Marius Paşca editor Association for Computational Linguistics Jeju Island, Korea conference publication lin-etal-2012-noun https://aclanthology.org/D12-1082/ 2012-07 893 903