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.

1, search:

(1) Narrow-sense retrieval refers to the process of finding and obtaining specific related documents from a large number of organized related literature collections according to certain methods. The literature collection here is not the literature itself, but the information or clues about the literature.

(2) retrieval in a broad sense includes two processes: information storage and retrieval. Information storage is to gather a large number of disordered information, systematize and order it according to the appearance and content characteristics of information sources, and build a database or retrieval system with retrieval function according to certain technical requirements for people to retrieve and use. And retrieval refers to the use of compiled retrieval tools or retrieval systems to find out specific information that meets the requirements of users.

2. A new retrieval method-computer retrieval;

The method of literature retrieval by using computer technology and modern retrieval means such as CD-ROM and Internet. Computer information retrieval, like manual retrieval, should be regarded as a basic skill of future scientific and technological personnel, and the training and cultivation of this ability is extremely important for scientific and technological personnel to adapt to the future society and cross-century scientific research.

Extended data:

Law of file distribution:

1. Patents, standards and archives are managed by a special department of a country. They are the State Patent Office, the State Bureau of Technical Supervision, the State Archives Bureau and the corresponding institutions in various places.

2. Academic papers are collected by the National Library, China Institute of Science and Technology Information and degree-granting units.

3 books, periodicals, conference proceedings and reports are mainly provided by the national literature information system.

4. The national document information system includes four systems: science and technology information system, library system of Academy of Social Sciences, university library system and public library system.

Baidu Encyclopedia-Literature Retrieval

Baidu Encyclopedia-Search