This is an open access journal: all articles will be immediately and permanently free for everyone to read and download. 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 840, excluding taxes. For all papers submitted before the 31st of December 2024, the APC will be waived making it free to submit to the journal.
All articles published open access will be immediately and permanently free for everyone to read, download, copy and distribute.
Permitted third party reuse is defined by the following user license(s):
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 that 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 are 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 that it 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 that 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/.
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 exclusive publishing and distribution rights.
This journal is published four times a year.