Learning Efficient Information Extraction on Heterogeneous Texts Henning Wachsmuth author Benno Stein author Gregor Engels author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication wachsmuth-etal-2013-learning https://aclanthology.org/I13-1061/ 2013-10 534 542