Language Independent Named Entity Classification by modified Transformation-based Learning and by Decision Tree Induction William J Black author Argyrios Vasilakopoulos author 2002 text COLING-02: The 6th Conference on Natural Language Learning 2002 (CoNLL-2002) conference publication black-vasilakopoulos-2002-language https://aclanthology.org/W02-2002/ 2002