Types and description rules of knowledge elements about methods in academic papers

In academic papers, there are many knowledge elements about the method. How to extract these methods to form a structured knowledge base is an important research of knowledge organization. Through content analysis of a large number of documents, method knowledge elements are classified as the following five types: knowledge element of method definition, knowledge element of method classification, knowledge element of method features, knowledge element of method process, and knowledge element of method functions. Sentences of the method are extracted from academic papers, then the sentence description structure is formed by filtering keywords in the sentences, and the description rules of method are formed after revising and classification in order to extract knowledge elements of the method.