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The Journal of Grey System

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About the Journal

The Journal of Grey System is an ISI journal and was launched in 1989. It contributes to the advance of knowledge directly related to the fundamental theory and practical applications of Grey System Theory and aims to foster a professional platform between leading scientists and practitioners from around the world to express their concerns, describe new methods, models, techniques and discuss application skill with grey system theory, as well as various contributions of hybrid approaches combining grey system theory with other theories for tackling uncertain information more effectively and efficiently. All the papers on developments of methodology, modeling technological and practical applications of Grey System Theory are welcome. In brief, the journal encourages and focuses on the development of functional methods, models, techniques and applications of Grey System Theory.

Editorial Team of The Journal of Grey System

Editor-in-Chief: Professor Sifeng Liu

Director of the Institute for Grey Systems Studies and a Distinguished Professor of Nanjing University of Aeronautics and Astronautics, Nanjing, P. R. China


Director of the Editorial Office: Professor Liangyan Tao

Associate professor of the Institute for Grey Systems Studies, Nanjing University of Aeronautics and Astronautics, Nanjing, P. R. China


Founding Editor: Professor Julong Deng (in memorium)

Associate Editors

§ Professor Yingjie Yang, Centre for Computational Intelligence De Montfort University, UK

§ Professor Jeffrey Forrest, Mathematics Department, Slippery Rock University, USA

§ Professor Dash Wu, RiskLab, University of Toronto, Canada

§ Professor Xuerui Tan The First Affiliated Hospital of the Medical College, Shantou University, P. R. China

Publisher: Kumar Patel, Director, Research Information Ltd


Author Guidelines

Submit to the journal

Please submit your article online at 

Contact Information of The Editorial Office of the Journal

Dr. Liangyan Tao.


Address: The Institute for Grey Systems Studies, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Avenue, Nanjing 211106, P. R. China


Articles submitted to the journal should not have been published before in their current or substantially similar form, or be under consideration for publication with another journal. Use this in conjunction with the points below about references, before submission i.e. always attribute clearly using either indented text or quote marks. Authors submitting articles for publication warrant that the work is not an infringement of any existing copyright and will indemnify the publisher against any breach of such warranty. For ease of dissemination and to ensure proper policing of use, papers and contributions become the legal copyright of the publisher unless otherwise agreed.

Review process

Each paper is reviewed by the editor and, if it is judged suitable for this publication, it is then sent to at least two independent referees for double blind peer review. Based on their recommendation, as well as consultation between relevant Editorial Board members, the editor then decides whether the paper should be accepted as is, revised or rejected.


Prior to article submission, authors should clear permission to use any content that has not been created by them. Failure to do so may lead to lengthy delays in publication. JGS is unable to publish any article which has permissions pending.

Final submission

Before submitting, authors should check their submission for completeness. Authors should note that proofs are not supplied prior to publication. The manuscript will be considered to be the definitive version of the article. The author must ensure that it is complete, grammatically correct and without spelling or typographical errors.

Manuscript requirements

Please prepare your manuscript before submission, using the following guidelines:

Format: All files should be submitted as a Word document.

Article Length: Articles should be between 8 and 12 pages in length unless agreed by the editor. 

Article Title: A title shouldn’t be more than ten words.

Abstract: An abstract is a succinct summary of a longer piece of work. Its purpose is to act as a reference tool (for example in a library abstracting service), enabling the reader to decide whether or not to read the full text. Abstracts should contain no more than 200 words. Write concisely and clearly. There are four elements, such as purpose, methodology or approach, findings and originality or value, should be included in abstract. The abstract should reflect only what appears in the original paper.

Keywords: Please provide 3-8 keywords which encapsulate the principal topics of the paper.

Classification: Categorize your paper under one of the following classifications: Research paper, Technical paper, Literature review, Book review, CFPs or reports of relevant conferences. 

Headings: Headings must be concise, with a clear indication of the distinction between the hierarchy of headings. The first level headings should be presented in bold format and subsequent sub-headings to be presented in medium italics. 

Figures/Tables: All Figures/Tables should be of high quality, legible and numbered consecutively with arabic numerals. 

References: References must be identified in the text by consecutive numbers, enclosed in square brackets and listed at the end of the article. Unpublished data or private communications should not be included in the references.