Open Access
This journal is a peer reviewed, fully open access journal owned by Chongqing Xixin Tianyuan Data & Information Co., Ltd. Chongqing Xixin Tianyuan Data & Information Co., Ltd retains copyright of the overall compiled journal and the compiled issues. The article is universally and freely accessible via the internet in perpetuity, in an easily readable format immediately after publication.
To provide open access, this journal has an open access fee (also known as an Article Processing Charge, APC) which needs to be paid by the authors or on their behalf e.g. by their research funder or institution. The APC for this journal is USD 1000, excluding taxes. For all papers submitted before the 31st of December 2025, the APC will be waived making it free to submit to the journal.
Peer review under the responsibility of Editorial Office of Chongqing Xixin Tianyuan Data & Information Co., Ltd.
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. For the single article, Authors will retain copyright alongside scholarly usage right since 2023, and KeAi Communications Co., Ltd. and Chongqing Xixin Tianyuan Data & Information Co., Ltd. will be granted non-exclusive publishing and distribution rights.
Publishing Schedule
This journal is published four times a year.
Contact Details
Ms. Yu-Xun Wang
Email: mre@mater-rep.com
Phone: +86-23-67039611
Address: 4F, Building 2-1, 18 Honghu West Road, Yubei, Chongqing, China
