Open Access



This journal is a peer reviewed, open access journal. To provide open access, this journal has an open access fee (also known as an article publishing charge APC) which needs to be paid by the authors or on their behalf e.g. by their research funder or institution. The Article Processing Charge (APC) for this journal is USD 980, plus VAT.
Peer review under responsibility of KeAi Communications Co., Ltd
A limited number of waivers and discounts are available for high quality research, only upon application by the author and approval by the Editor and the Publisher.
Please contact the Editors-in-Chief for approval through: publisher@keaipublishing.com

Access Rights
All articles published open access will be immediately and permanently free for everyone to read, download, copy and distribute.

User Rights
Permitted third party reuse is defined by the following user license:

Creative Commons Attribution (CC BY):
Allows users to copy, to create extracts, abstracts and new works from the Article, to alter and revise the Article and to make commercial use of the Article (including reuse and/or resale of the Article by commercial entities), provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), provides a link to the license, indicates if changes were made and the licensor is not represented as endorsing the use made of the work. The full details of the license are available at https://creativecommons.org/licenses/by/4.0/.

Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND):
Allows users to copy and distribute the Article, provided this is not done for commercial purposes and further does not permit distribution of the Article if it is changed or edited in any way, and provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), provides a link to the license, and that the licensor is not represented as endorsing the use made of the work. The full details of the license are available at https://creativecommons.org/licenses/by-nc-nd/4.0/.

Author Rights
For open access publishing this journal uses a licensing agreement. Authors will retain copyright alongside scholarly usage rights and KeAi Communications Co., Ltd. will be granted publishing and distribution rights.

Publishing Schedule
This journal is currently published quarterly per year.

Contact Details
Mr. Bill Li
Email: jzli@keaipublishing.com
Phone: +86-10-64030229
Address: R411, Building 5, 16 Donghuangchenggen North Street, Beijing, China

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