What are the short answers to the commonly used literature retrieval methods?

(1) sequential search method: according to the chronological order, according to the order from the old to the new, consult the literature within the relevant research scope. (2) Reverse search method: Contrary to the sequential search method, the literature within the relevant research scope is consulted in the order of time from near to far, from new to old. (3) Citation, that is, taking the references or notes attached to the existing literature as clues to find the literature related to the research topic. (4) Comprehensive search method: comprehensive use of various methods to search for literature.

Information retrieval refers to the process of obtaining documents according to the needs of study and work. In modern times, literature refers to articles and books with historical value or important books and materials related to a certain subject. With the development of modern network technology, literature retrieval is more accomplished by computer technology.

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The development of literary concepts has gone through three stages:

It was first seen in the Eight Letters of The Analects of Confucius, which was interpreted by Zhu in the Song Dynasty as: the text refers to ancient books, and the sages are familiar with historical facts.

Modern times are generally understood as articles and books with historical value or important books and materials related to a certain subject.

Modern scholars believe that literature is the carrier to record human knowledge and information. It consists of four elements: document content, carrier material, information symbol and recording method.