Automatic Relation Extraction with Model Order Selection and Discriminative Label Identification Jinxiu Chen author Donghong Ji author Chew Lim Tan author Zhengyu Niu author 2005 text Second International Joint Conference on Natural Language Processing: Full Papers conference publication chen-etal-2005-automatic 10.1007/11562214_35 https://aclanthology.org/I05-1035/ 2005