A Comparative Study of Two Machine Learning Methods for Arithmetical Relation Extraction of Addition and Subtraction Word Problems
SU Lin-zhong · Computer Knowledge and Technology · 2010
Addition and subtraction word problems are found very difficult to both teacher and children in elementary school. The research on addition and subtraction word problems has been confined to education and psychology fields for a long time. In a viewpoint of text categorization and information retrieval, the arithmetical relation in these problems is considered as a categorization task and studied with machine learning methods. In this paper, word problems are segmented firstly into words by software. Some