The classification of LDA model essay based on information gain
Shen Jing · Journal of Chongqing University of Arts and Sciences · 2011
In this paper classification of short essay was improved based on LDA.The information gain of essay with LDA classification method was put forward.Using information gain calculation to calculate text classification vocabulary contribution,to improve weight,and to filter out the function word,at last passage of filtered was in LDA theme modeling,and center vector method was used to establish text category model.The experimental results prove that with reducing of function word ratio,classification performance is distinctly improved in method.