Natural language processing techniques for mathematical formula search
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Mathematical formula is a notation widely used in diverse scientific disciplines. Although many formulae appear as part of natural language text, the interpretation of the formulae has been examined only slightly to date as a research subject in natural language processing (NLP). In this talk, I will introduce NLP-based approaches for semantic search and computer understanding of mathematical formulae where a formula is considered as a component of a document semantically connected to other textual components written in natural language. I will also introduce our preliminary attempts in the NTCIR-Math information retrieval tasks that took place during 2013 to 2016.