%0 Journal Article %A Serpush, Fatemeh, Keyvanpour, Mohammadreza %T QEA: A New Systematic and Comprehensive Classification of Query Expansion Approaches %J Journal of Computer & Robotics %V 7 %N 1 %P 1-17 %D 2014 %R %U https://sanad.iau.ir/fa/Article/945944