EI official journals are written and published, EI source journals are distributed on behalf of guaranteed retrieval, and type JA searches are used to quickly accept

The official publication is written and published,
The source publication is distributed to ensure retrieval, type
Quick retrieval, fast acceptance and publication
Official issue, special issue, supplement
Official issue refers to the country Recognized, legal and formal journal. The meaning of official publication not only means formality, but also represents integrity. Supplements are auxiliary publications published by magazines at the same time as the main issue. Supplements are usually internally read or internally distributed publications. Non-public publications. Therefore, many units do not recognize supplements. At present, in the paper publishing industry, the supplementary issue situation of core journals is relatively serious. Many magazines control the printing behind the scenes.
Because academic journals can charge page fees, many criminals print magazines privately, steal or forge issue numbers, and create various fake journals to deceive authors. These fake magazines are not only privately printed magazines with no identity, but also many clones that imitate regular periodicals from cover to layout. These are all considered illegal journals.
Special issue in English means. Many internationally famous magazines (such as) have this issue. It cannot be said that the special issue is worse than the main issue. The purpose of the special issue is to conduct a discussion on a certain hot research topic in order to attract attention. Those who publish papers in special issues are generally those who are relatively good in this field. The difference between special issues and regular issues is that the publication cycle of papers is shorter and they mainly focus on a certain topic. Since it occupies publishing space, it can be considered a success.
Supplemental conferences use the reputation of the journal to attract submissions. Then the journal was afraid that such conference articles would affect the reputation of the journal, so it was called a supplement. "The articles in some supplements are also very good, if the conference is very good", foreign language supplements are expressed with
How to distinguish clone journals?
The method is to find a regular magazine and check the current catalog of the regular magazine. Generally, larger libraries in various places will have current issues of regular journals, and you can tell the authenticity by comparing them directly. But this distinction obviously has certain limitations. Another way is to check journal databases such as China National Knowledge Infrastructure or Wanfang Data. Usually after a regular journal is published, the CD-ROM version of the journal will be submitted to data systems such as China National Knowledge Infrastructure or Wanfang Data for acceptance. At present, it is easy to find magazines through the Internet in the magazine directories of CNKI and Wanfang Data. A comparison will reveal the truth and falsehood.
For journal databases, there are also systems such as Longyuan Journal and VIP Data. But there are too many fake publications in these systems. It is far less formal than CNKI and Wanfang Data. Therefore, generally units in various places look at CNKI or Wanfang Data, which is a global database, similar to China's CNKI. But not all articles can be included. The included articles represent authority and high quality. Therefore, it is called the global core and is recognized by every country. It is generally used for master's degree graduates, doctoral degree graduates, associate professor evaluations, and full professor evaluations. After an author publishes a paper in an international conference or international magazine and is included, some authoritative domestic institutions can issue a certificate of inclusion to the author.
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