According to the content, nature and processing depth of literature information, what types can literature be divided into and briefly explained?

According to different classification standards, there are many ways to classify documents. First, according to the editing methods and publishing characteristics of the literature classification 1. Books and books refer to the systematic exposition of knowledge in a certain field or the induction and generalization of existing research results, technologies and experiences, and are relatively systematic, complete and mature publications. It is by far the most important document type and occupies a dominant position in the whole document system. Books generally have a complete binding form, end to end, rigorous structure, page accumulation, self-contained, published in the form of a single book, multiple volumes or series. The content of this book is systematic and comprehensive. Generally, record a central content or focus on a problem, and discuss it with history as the starting point and reality as the focus. Therefore, readers can obtain not only general knowledge but also systematic knowledge of history or reality, theory or method through reading. Books reflect reliable knowledge and mature views. The formation of a book is often selected, verified, identified and mastered by the author, which contains the author's own experience summary in social practice, productive labor and scientific research, and is the author's long-term research results and knowledge accumulation. Therefore, books have irreplaceable advantages for us to find the sources and sources of various facts, data and materials, as well as to check the changes and evolution. It takes a long time to write a book. From writing to publishing, we have to go through many processes such as proofreading, identification, screening, refining and proofreading. Therefore, an obvious disadvantage of the book is that the information transmission is slow and the content is inconvenient to update in time with the change of time. The knowledge it reflects is obviously lagging behind and generally does not contain the latest information content. Books can be divided into ordinary books and reference books according to their contents, writing purposes and using characteristics. Ordinary books provide readers with complete, systematic and continuous knowledge, which is suitable for systematic or intensive reading, including textbooks, monographs, popular science and popular books, literary and artistic works, etc. Reference book is a kind of special literature that collects a certain range of knowledge or materials extensively, arranges them according to a specific style or way, and provides basic knowledge and literature clues. They are divided into reference books and retrieval books, including dictionaries, encyclopedias, yearbooks, manuals, catalogues, abstracts and so on. 2. A periodical, also known as a magazine, refers to a publication with a fixed name, layout, format and length, which is a collection of articles, materials or clues written by several authors respectively, and is published continuously and indefinitely in a planned way by the staff of a permanent editing institution according to a certain publishing cycle, with a continuous issue number or a serial number of years as the time sequence mark. Periodicals are produced with the development of modern science and are a major type of modern literature. Periodicals have the characteristics of wide content, novel knowledge, short publishing cycle, fast information transmission, huge quantity and wide circulation, so readers can easily obtain the periodicals they need and keep abreast of the latest development trends of various disciplines at home and abroad. 1Scholar Weekly, founded in Paris in June, 665, and Philosophical Transactions of the Royal Society, founded by the Royal Society in March, 665, developed very rapidly. It has been playing a very important role in human science and production activities. It is one of the main bases for recording, disseminating and exchanging social, cultural and scientific research results, and it is a formal, open and formal information exchange among scientific and technological personnel. According to statistics, more than 65% of the information obtained by scientific and technological personnel comes from periodicals, which are very important and main information sources and retrieval objects, so they are called "the most successful and universal scientific information carrier in the whole history of science". Periodicals can be divided into academic periodicals, popular periodicals and retrieval periodicals according to the nature of content or users. Newspapers are also a kind of periodicals. Like a periodical, it has a unified name and a fixed editorial department. It is published continuously on a regular basis and collects many articles, reports, materials and news in each issue. But it is more timely and shorter than periodicals. There are different publishing cycles such as daily newspaper, double daily newspaper, three daily newspaper, weekly newspaper and ten-day newspaper, which are the most timely information reporting documents. The content is more extensive, and the current news, comments and latest achievements of various disciplines around the world are reported at the fastest speed; Large format, mostly folio or quarto, appearing in the form of a single sheet; It has a large number of publications, a wide readership and a large number of people. Therefore, the newspaper is an important source of information and a tool of public opinion, which has a wide impact on social and economic life. Analyzing and sorting out newspapers is a very important aspect of data work. However, the systematicness and completeness of newspaper reports are not as good as other literary types such as books and periodicals. 3. Special documents Special documents, also known as series or occasional serial publications, are documents with special publishing forms. It is between books and periodicals, like books and periodicals. The overall characteristics of this kind of literature are a large number and rapid growth; The content is wide and diverse, involving various disciplines and fields; Strong confidentiality, scattered distribution, different levels of confidentiality, some public release, some internal distribution; The publishing cycle is very irregular and the collection is difficult; It has strong reality and high intelligence value, and instantly reflects the invention, development, research level and development trend of current science and technology from different fields. They are of direct reference and application value to national economy, production technology and scientific research. The monographic literature mainly includes the following types: (1) scientific report is a systematic summary of a scientific research and innovation, or an actual record of the progress in each stage of the research process, also known as a technical report. It is usually published in the form of official reports, progress reports, technical notes and memos. The information characteristics of scientific and technological reports are as follows: the form is lively, regardless of the length of each report, it is an independent book with a general name and serial number; The content is detailed and in-depth, often accompanied by a large number of data and charts. Accurate and reliable information, involving almost the whole science and technology, social science, behavioral science and some humanities fields, can fully reflect a country's scientific and technological achievements, trends and development level; Strong timeliness, many latest research topics and cutting-edge technologies are published in scientific and technological reports for the first time; The distribution scope is strictly controlled. Scientific and technological reports are first published and exchanged internally in the form of confidential information. After a certain period of time, they are gradually decrypted and then published. Therefore, scientific and technological reports have high intelligence value and are an important source of information to quickly understand the frontier development of disciplines (especially in some high-tech fields with rapid development and fierce competition).

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