What are the full-text databases?

Full-text databases include: 1. China Journal Full-text Database; 2. China Doctoral Thesis Full-text Database; 3. China Excellent Master’s Thesis Full-text Database; 4. China Important Newspaper Full-text Database; 5. China Books Full-text Database ; 6. Chinese hospital knowledge warehouse; 7. Chinese enterprise knowledge warehouse, etc.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

Full-text database introduction:

Full-text database is a database that contains the full text of original documents, including journal articles, conference papers, government publications, research reports, legal provisions and Mainly cases, business information, etc. The full-text database eliminates the need for processing steps such as document indexing and description, and reduces human factors in data organization. Therefore, the data is updated quickly and the accuracy of search results is higher.

At the same time, because it directly provides the full text, eliminating the trouble of finding the original text, it is very popular among users. The number of full-text databases has skyrocketed.

The main full-text databases are:

1. Source database

1. China Journal Full-text Database

The largest continuous database in the world The dynamically updated full-text database of Chinese journals includes more than 8,200 important domestic journals, mainly academic, technical, policy guidance, and higher science and popular education. It also includes some publications on basic education, popular science, popular culture, and literary and artistic works. Covering various fields such as natural sciences, engineering technology, agriculture, philosophy, medicine, humanities and social sciences, the total number of full-text documents exceeds 22 million. It is divided into 168 special topics according to disciplines and updated daily, with more than 1 million new documents added every year.

2. Chinese Journal Full-text Database (Century Journal)

includes 4195 journals dating back to 1979 to 1993. Some journals date back to their founding, and the earliest dates back to 1887. They are divided into disciplines. 168 topics, more than 5 million existing documents, updated monthly.

3. China's full-text doctoral dissertation database

includes dissertations from 420 doctoral and master's degree training units from 1999 to the present. There are more than 50,000 dissertations, which are updated daily.

4. Full-text database of China's outstanding master's degree theses

includes thesis from 652 doctoral and master's degree training units from 1999 to the present. There are more than 370,000 theses, which are updated daily.

5. Full-text database of important Chinese newspapers

includes more than 700 important newspapers from 2000 to the present, with more than 6.45 million existing articles, updated daily, and 1.2 million new articles added every year.

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

includes conference papers of more than 1,200 academic groups from 2000 to the present. There are nearly 580,000 papers, which are updated daily.

7. The first phase of the China Book Full-text Database is about to be completed. The first batch of 30,000 new books has been online and updated daily, with 100,000 new books added every year.

2. Professional Knowledge Warehouse

1. China Hospital Knowledge Warehouse

includes more than 1,400 medical journals and dissertations from 108 medical doctoral and master's training units, and the content is accumulated every day increase.

2. Multimedia Digital Library for Primary and Secondary Schools

includes more than 500 educational journals, more than 2,000 related journals, more than 400 related newspapers, as well as multimedia education and teaching materials, and synchronous teaching in high schools and junior high schools. Tutoring, tutoring by famous teachers for the college entrance examination and high school entrance examination, etc., the content is added daily.

3. China Enterprise Knowledge Warehouse

Collectes data resources such as journals required by enterprises, outstanding doctoral and master's theses, important conference papers, full text of newspapers, full text of books, new bibliographies, etc. Covering all types of information resources and knowledge resources required by enterprises, using modern information technology for processing and integration, and providing enterprises with resources that can be effectively utilized with the most convenient and fastest means of communication. It is mainly divided into steel metallurgy, aluminum industry, petrochemical industry, oil and gas exploration, electric power, power generation, power grid, finance, insurance, securities, funds and other industries and enterprise knowledge bases, and the content is added daily.

3. Knowledge metadatabase

1. Numerical knowledge metadatabase

Includes statistical data and scientific experimental data extracted from various statistical yearbooks and various professional literature .

2. Theoretical and methodological knowledge metadata database

includes explanations of professional terms extracted from various encyclopedias and opinions, theories, methods and techniques extracted from various professional papers, etc. Knowledge element.

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