Equation Parsing : Mapping Sentences to Grounded Equations

@inproceedings{Roy2016EquationP,
title={Equation Parsing : Mapping Sentences to Grounded Equations},
author={Subhro Roy and Shyam Upadhyay and Dan Roth},
booktitle={EMNLP},
year={2016}
}

Identifying mathematical relations expressed in text is essential to understanding a broad range of natural language text from election reports, to financial news, to sport commentaries to mathematical word problems. This paper focuses on identifying and understanding mathematical relations described within a single sentence. We introduce the problem of Equation Parsing – given a sentence, identify noun phrases which represent variables, and generate the mathematical equation expressing the… CONTINUE READING

Our system makes use of a high precision lexicon of mathematical expressions and a pipeline of structured predictors, and generates correct equations in 70% of the cases.