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This article mainly introduces what the full-text database is, the article is very detailed, has a certain reference value, interested friends must read it!

The full-text databases are as follows: 1, Chinese periodical full-text database; 2, Chinese doctoral thesis full-text database; 3, Chinese excellent master's degree thesis full-text database; 4, Chinese important newspaper full-text database; 5. Chinese book full-text database; 6. Chinese hospital knowledge warehouse; 7. Chinese enterprise knowledge warehouse.

Introduction to full-text database:

Full-text database is a full-text database of original literature, including periodical papers, conference papers, government publications, research reports, legal provisions and cases, business information and so on. The full-text database eliminates the processing links such as document indexing and description, and reduces the human factors in data organization, so the speed of data updating is faster and the accuracy of retrieval results is higher.

At the same time, because it provides the full text directly, it saves the trouble of finding the original text, so it is deeply loved by users. The number of full-text databases is skyrocketing.

The main full-text databases are:

I. Source database

1. China Journal full-text Database

The world's largest continuously and dynamically updated Chinese periodical full-text database, which contains more than 8200 important domestic journals, mainly academic, technical, policy guidance, higher science popularization and education. At the same time, it includes some journals of basic education, popular science, popular culture and literary works, covering natural science, engineering technology, agriculture, philosophy, medicine, humanities and social sciences and other fields. There are more than 22 million full-text literatures. It is divided into 168 topics according to disciplines, which are updated every day, and more than 1 million new literatures are added every year.

2. China Journal full-text Database (Century Journal)

There are 4195 periodicals from 1979 to 1993, some of which date back to 1887. They are divided into 168 topics according to disciplines. More than 5 million articles are available and updated monthly.

3. Full-text database of Chinese doctoral thesis

It contains more than 50,000 dissertations of 420 doctoral and master's degree training units since 1999, which are updated every day.

4. Full-text database of Chinese excellent master's degree thesis.

It contains the dissertations of 652 doctoral and master's degree training units since 1999. there are more than 370000 papers, which are updated daily.

5. Full-text Database of important Chinese Newspapers

It contains more than 700 important newspapers since 2000, with more than 6.45 million articles, updated every day, and 1.2 million new articles a year.

6. Full-text database of important conference papers in China.

It contains conference papers from more than 1200 academic groups since 2000, with nearly 580000 papers updated daily.

7. China Book full-text Database

The first phase of the project is nearing completion, and the first batch of 30, 000 new books have been provided online and updated daily, with an annual increase of 100000 books.

II. Professional knowledge warehouse

1. China Hospital knowledge Warehouse

It contains more than 1400 medical journals and dissertations of doctoral and master's degree training units, and the content is increasing every day.

2. Multimedia digital library of primary and secondary schools

It contains more than 500 kinds of educational periodicals, more than 2000 related periodicals and more than 400 related newspapers, as well as multimedia education and teaching materials, synchronous teaching guidance for senior and junior high schools, and guidance for famous teachers in the college entrance examination.

3. Knowledge warehouse of Chinese enterprises

Collect the data resources needed by enterprises, such as periodicals, excellent doctoral and master's papers, important conference papers, full-text newspapers, full-text books, new bibliography and so on. It covers all kinds of information resources and knowledge resources needed by enterprises, and uses modern information technology for processing and integration, so as to provide enterprises with resources that can be used effectively by the most convenient and quick means of communication. Mainly divided into iron and steel metallurgy, aluminum, petrochemical, oil and gas exploration, electric power, power generation, power grid, finance, insurance, securities, funds and other industries, enterprise knowledge base, the content accumulates every day.

Third, knowledge meta-database

1. Numerical knowledge element database

Including statistical data and scientific experimental data extracted from all kinds of statistical yearbooks and various professional literature.

2. Theoretical and methodological knowledge meta-database

It includes the interpretation of professional terms extracted from various encyclopedias and the knowledge elements such as viewpoints, theories, methods and techniques extracted from various professional papers.

The above is all the contents of this article "what is a full-text database?" Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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