Historical Event Extraction from Text Agata Katarzyna Cybulska author Piek Vossen author 2011-06 text Proceedings of the 5th ACL-HLT Workshop on Language Technology for Cultural Heritage, Social Sciences, and Humanities Kalliopi Zervanou editor Piroska Lendvai editor Association for Computational Linguistics Portland, OR, USA conference publication cybulska-vossen-2011-historical https://aclanthology.org/W11-1506/ 2011-06 39 43