Evaluating Methods for the Parsing and Understanding of Mathematical Formulas in Technical Documents

Technical Documents holistic understanding was always an old challenging problem for computer scientists. The last two decades, the processing of mathematical formulas has received more attention and a number of research efforts have focused on their syntactic analysis and recognition. This paper focuses on the methodologies used to process mathematical formulas in documents, specifically on the parsing methods. Initially, we offer a short overview of the parsing methods selected and classified into two categories (Top-down and Bottom-up). Then, these methods are individually evaluated using a set of features associated with the efficiency, originality and complexity, etc. by introducing an overall maturity score of each methodology and giving us a general idea about the progress in the field.