1. Bandyopadhyay, A., Roy, D., Mitra, M., Saha, S.: Named entity recognition from tweets. In: Proceedings of the 16th LWA Workshops: KDML, IR and FGWM, Aachen, Germany, September 8–10, 2014, pp. 218–225 (2014)
2. Chu, M.N., Nghieu, V.D., Phien, H.T.: Basis of linguistics and Vietnamese. Vietnam educational publisher (2010)
3. Curran, J.R., Clark, S.: Language independent NER using a maximum entropy tagger. In: Proceedings of the Seventh Conference on Natural Language Learning, CoNLL 2003, Held in cooperation with HLT-NAACL 2003, Edmonton, Canada, May 31 - June 1, 2003, pp. 164–167 (2003)
4. Downey, D., Broadhead, M., Etzioni, O.: Locating complex named entities in web text. In: Proceedings of the 20th International Joint Conference on Artificial Intelligence, IJCAI 2007, Hyderabad, India, January 6–12, 2007, pp. 2733–2739 (2007)
5. Fersini, E., Messina, E., Felici, G., Roth, D.: Soft-constrained inference for named entity recognition. Inf. Process. Manage. 50(5), 807–819 (2014)