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This article will explain in detail what the meaning of retrieval is, and the content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Retrieval, that is, checking and searching (checking the words or materials needed for request), refers to starting from the specific information needs of users, using certain methods and technical means for a specific set of information, and finding out relevant information according to certain clues and rules.

Retrieval is a kind of Chinese vocabulary, and Pinyin is jiangxin su words, which refers to the specific information needs of users, using certain methods and technical means for a specific set of information, and finding out relevant information according to certain clues and rules.

Search and search synonyms.

classification

Traditional literature retrieval

The tool often used in traditional literature retrieval is the index card, that is, the information of the literature is recorded on the index card. The index cards generally record the title, author, subject words, abstracts and other information of the document.

When looking for literature, we should first look up the index, find the location of the collection, and then ask for information.

Network retrieval

In the Internet age, we search all the time. There are two main ways to search on the Internet: directory browsing and the use of search engines.

The way of directory browsing is the way adopted by Yahoo search engine, users can click on the directory according to their own needs and go deep into the next subdirectory to find the information they need. This method is easy to find a certain kind of information set, but the ability of accurate location is not strong.

Search engine is one of the most commonly used network retrieval tools. Users only need to submit their own requirements, and the search engine can return a large number of results. These results are sorted according to their relevance to the search questions.

In addition to the search engine, the various databases ordered by the library are also important ways of information retrieval. Thomas Mann, a reference librarian at the Library of Congress, introduced some retrieval methods, such as keyword retrieval, citation retrieval, relevance retrieval and so on.

About what the meaning of retrieval is shared here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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