@proceedings {505, title = {Using dependency analysis to improve question classification}, volume = {326}, year = {2014}, month = {2015}, pages = {653-664}, publisher = {Springer International Publishing}, address = {Hanoi, Vietnam}, url = {http://link.springer.com/chapter/10.1007/978-3-319-11680-8_52}, author = {Phuong Le-Hong and Xuan-Hieu Phan and Tien-Dung Nguyen} }