caj is a file format provided by China Journal Network. Many documents on the Internet now use the caj file format; opening caj files requires professional document reading tools, such as CNKI's CAJViewer and E-Study.
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What is the format of caj?
The caj file is a file format provided by China Journal Network. Many documents on the Internet now use the caj file format.
CAJ is the English abbreviation of China Academic Journals Full-text Database. The caj file is a common text format for academic documents. To open this file, we need professional literature reading tools. Here are some recommendations for everyone. Net's CAJViewer and E-Study.
CNKI is a website commonly used for downloading academic papers. CNKI files are in caj and pdf formats, and some are only in caj format. Therefore, it is necessary to use professional literature reading and management software. .
中国知网：https://www.cnki.net/
CNKI Development History
Equity Change
In 1999, China Journal Network was launched.
In 2003, China Journal Network was renamed China National Knowledge Infrastructure.
On December 31, 2019, the controlling shareholder of “Tongfang Shares”, the parent company of CNKI, was changed from Tsinghua Holdings to CNNC Capital, and the actual controller was changed from the Ministry of Education to the State-owned Assets Supervision and Administration Commission of the State Council. [15]
Project Development
CNKI Introduction
The concept of National Knowledge Infrastructure (NKI) Proposed by the World Bank's 1998 World Development Report.
In March 1999, with the overall goal of comprehensively opening up information channels in all aspects of knowledge production, dissemination, diffusion and utilization, and creating an exchange and cooperation platform that supports knowledge innovation, learning and application in various industries across the country, Wang Mingliang proposed the construction of China Knowledge Infrastructure Project (China National Knowledge Infrastructure, CNKI), and is listed as a key project of Tsinghua University.
CNKI 1.0
CNKI 1.0 is an important transformation from document information services to knowledge services after the completion of the basic project of "China Knowledge Resource Database". The goal of CNKI1.0 is to systematize and customize knowledge organization for the knowledge needs of specific industry fields, build "knowledge network nodes" based on the intrinsic correlation of content, and conduct knowledge element and correlation mining based on knowledge discovery, which represents China's knowledge network. The network serves knowledge innovation and knowledge learning, and supports the industrial strategic development direction of scientific decision-making.
CNKI 2.0
After the basic completion of CNKI1.0, CNKI has fully summarized the experience and lessons of industry knowledge services in the past five years to comprehensively apply big data and artificial intelligence technology to create knowledge innovation services Taking the industry as a new starting point, the CNKI project has entered the 2.0 era. The goal of CNKI 2.0 is to deepen the knowledge services provided by CNKI 1.0 based on the integration of public knowledge into the process and results of knowledge innovation in various industry institutions, through more accurate, systematic and complete explicit management, and embedding specific work and learning Process tacit knowledge management provides problem-oriented knowledge services and a collaborative research platform that stimulates group wisdom. Its important symbols are the completion of the "World Knowledge Big Data (WKBD)", the establishment of a knowledge infrastructure (NKI) for each unit to make full use of the "World Knowledge Big Data" for internal and external brain collaborative innovation and collaborative learning, and the launch of the "Baixing Knowledge Innovation Service Project" ", providing comprehensive services to the construction of China's world-class scientific journals and jointly building a "double first-class digital library".
"Research Integrity and Academic Standards" Online Learning Platform
In May 2019, the "Scientific Research Integrity and Academic Standards" online learning platform was officially launched on China National Knowledge Infrastructure.
Subsidiary website
China National Knowledge Infrastructure
China Reference Book Network Publishing Library
CNKI Network Digital Library
中国 Hospital Digital Library
武喜magazine
Duplicate Checking Service
At 0:00 on June 12, 2022, Tongfang CNKI ( Beijing) Technology Co., Ltd. issued an "Announcement": From now on, China National Knowledge Infrastructure will directly provide duplication checking services to individual users.
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