A kind of multilayer quotation based on literature content knowledge mapping recommends method

The invention discloses a kind of multilayer quotation based on literature content knowledge mapping to recommend method, belongs to information recommendation and Intelligent Information Processing field.This method obtains the query demand of user first, and query demand is by needing to recommend the keyword for the title and summary for quoting paper or the paper of citation to form.Then, the knowledge mapping expanding query retrieval word based on literature content, knowledge mapping by document research object word and behavior of research word node, and represent it is synonymous, near it is adopted, it is upper it is the next, part is overall, the side of various semantic relations is formed side by side etc..Finally, the inverted index of data set Literature is built, chooses candidate's quotation, the similarity of candidate's quotation and inquiry is calculated, quotation recommendation is carried out using the progressive regression tree of gradient.This method carries out multi-level quotation based on literature content knowledge mapping and recommended, and expands the scope of candidate's quotation, expresses the research object and content of paper exactly, improves the efficiency that user obtains pertinent literature, has broad application prospects.