| Title | Grey Systems |
| Abbreviation | Grey Syst. |
| Publication Type | Journal |
| Subject Area, Categories, Scope | Applied Mathematics (Q2); Computer Science (miscellaneous) (Q2); Control and Systems Engineering (Q2) |
| h-index | 32 |
| Overall Rank/Ranking | 8207 |
| SCImago Journal Rank (SJR) | 0.693 |
| Impact Score | 3.89 |
| Publisher | Emerald Group Publishing Ltd. |
| Country | United Kingdom |
| ISSN | 20439385, 20439377 |
| Best Quartile | Q2 |
| Coverage History | 2011-2025 |
Grey Systems is a journal covering the technologies/fields/categories related to Applied Mathematics (Q2); Computer Science (miscellaneous) (Q2); Control and Systems Engineering (Q2). It is published by Emerald Group Publishing Ltd.. The overall rank of Grey Systems is 8207. According to SCImago Journal Rank (SJR), this journal is ranked 0.693. SCImago Journal Rank is an indicator, which measures the scientific influence of journals. It considers the number of citations received by a journal and the importance of the journals from where these citations come. SJR acts as an alternative to the Journal Impact Factor (or an average number of citations received in last 2 years). This journal has an h-index of 32. The best quartile for this journal is Q2.
The ISSN of Grey Systems journal is 20439385, 20439377. An International Standard Serial Number (ISSN) is a unique code of 8 digits. It is used for the recognition of journals, newspapers, periodicals, and magazines in all kind of forms, be it print-media or electronic. Grey Systems is cited by a total of 474 articles during the last 3 years (Preceding 2024).
The Impact IF 2024 of Grey Systems is 3.89, which is computed in 2025 as per its definition. Grey Systems IF is increased by a factor of 0.79 and approximate percentage change is 25.48% when compared to preceding year 2023, which shows a rising trend. The impact IF, also denoted as Journal impact score (JIS), of an academic journal is a measure of the yearly average number of citations to recent articles published in that journal. It is based on Scopus data.
Impact IF 2024 of Grey Systems is 3.89. If the same upward trend persists, Impact IF may rise in 2025 as well.
| Year | Impact IF |
|---|---|
| 2025/2026 | Coming Soon |
| 2024 | 3.89 |
| 2023 | 3.10 |
| 2022 | 2.79 |
| 2021 | 2.35 |
| 2020 | 2.01 |
| 2019 | 1.89 |
| 2018 | 1.82 |
| 2017 | 1.21 |
| 2016 | 0.85 |
| 2015 | 1.33 |
| 2014 | 1.48 |
Grey Systems has an h-index of 32. It means 32 articles of this journal have more than 32 number of citations. The h-index is a way of measuring the productivity and citation impact of the publications. The h-index is defined as the maximum value of h such that the given journal/author has published h papers that have each been cited at least h number of times.
The ISSN of Grey Systems is 20439385, 20439377. ISSN stands for International Standard Serial Number.
An ISSN is a unique code of 8 digits. It is used for the recognition of journals, newspapers, periodicals, and magazines in all kind of forms, be it print-media or electronic.
The overall rank of Grey Systems is 8207. According to SCImago Journal Rank (SJR), this journal is ranked 0.693. SCImago Journal Rank is an indicator, which measures the scientific influence of journals. It considers the number of citations received by a journal and the importance of the journals from where these citations come.
| Year | SJR |
|---|---|
| 2025/2026 | Coming Soon |
| 2024 | 0.693 |
| 2023 | 0.535 |
| 2022 | 0.457 |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 |
| Year | Ranking |
|---|---|
| 2025/2026 | Coming Soon |
| 2024 | 8207 |
| 2023 | 10111 |
| 2022 | 11173 |
| 2021 | 27365 |
| 2020 | 33412 |
| 2019 | 31032 |
| 2018 | 32497 |
| 2017 | 33261 |
| 2016 | 32920 |
| 2015 | 32544 |
| 2014 | 31935 |
Grey Systems is published by Emerald Group Publishing Ltd.. It's publishing house is located in United Kingdom. Coverage history of this journal is as following: 2011-2025. The organization or individual who handles the printing and distribution of printed or digital publications is known as Publisher.
Visit the official website of the journal/conference to check the further details about the call for papers.
The IS0 4 standard abbreviation of Grey Systems is Grey Syst.. This abbreviation ('Grey Syst.') is well recommended and approved for the purpose of indexing, abstraction, referencing and citing goals. It meets all the essential criteria of ISO 4 standard.
ISO 4 (International Organization for Standardization 4) is an international standard that defines a uniform and consistent system for abbreviating serial publication titles and journals.
If your research field is/are related to Applied Mathematics (Q2); Computer Science (miscellaneous) (Q2); Control and Systems Engineering (Q2), then please visit the official website of this journal.
The acceptance rate/percentage of any academic journal/conference depends upon many parameters. Some of the critical parameters are listed below.
It is essential to understand that the acceptance rate/rejection rate of papers varies among journals. Some Journals considers all the manuscripts submissions as a basis of acceptance rate computation. On the other hand, few consider the only manuscripts sent for peer review or few even not bother about the accurate maintenance of total submissions. Hence, it can provide a rough estimation only.
The best way to find out the acceptance rate is to reach out to the associated editor or to check the official website of the Journal/Conference.
Grey Systems latest impact IF is 3.89. It's evaluated in the year 2024. The highest and the lowest impact IF or impact score of this journal are 3.89 (2024) and 0.85 (2016), respectively, in the last 11 years. Moreover, its average IS is 2.07 in the previous 11 years.
The Grey Systems has an SJR (SCImago Journal Rank) of 0.693, according to the latest data. It is computed in the year 2025. In the past 11 years, this journal has recorded a range of SJR, with the highest being 0.693 in 2024 and the lowest being in 2021. Furthermore, the average SJR of the Grey Systems over the previous 11-year period stands at 2.07.
The latest h-index of the Grey Systems is 32.
The Grey Systems is published by the Emerald Group Publishing Ltd., with its country of publication being the United Kingdom.
The Grey Systems is currently ranked 8207 out of 27955 Journals, Conferences, and Book Series in the latest ranking. Over the course of the last 11 years, this journal has experienced varying rankings, reaching its highest position of 8207 in 2024 and its lowest position of 33412 in 2020.
The standard ISO4 abbreviation for the Grey Systems is Grey Syst..
Grey Systems is classified as a journal that the Emerald Group Publishing Ltd. publishes.
The Grey Systems encompasses the following areas:
For a more comprehensive understanding of its scope, check the official website of this journal.
The Grey Systems is assigned the following International Standard Serial Numbers (ISSN): 20439385, 20439377.
The best quartile for the Grey Systems is Q2 (2024).
The Grey Systems coverage history can be summarized as follows: 2011-2025.
| Journal/Conference/Workshop/Book Title | Type | Ranking | Publisher | h-index | Impact Score |
|---|---|---|---|---|---|
| European Union Politics | journal | 1953 | SAGE Publications Ltd | 79 | 3.71 |
| Historia | journal | 22470 | Universidade Estadual Paulista | 9 | 0.16 |
| Clinical Medicine and Research | journal | 14921 | Marshfield Clinic | 64 | 1.25 |
| Modern Language Journal | journal | 1033 | Wiley-Blackwell | 123 | 3.95 |
| British Journal of Special Education | journal | 14055 | Wiley-Blackwell Publishing Ltd | 45 | 1.43 |
| Socialism and Democracy | journal | 27160 | Taylor and Francis Ltd. | 19 | 0.20 |
| Statistica | journal | 18529 | University of Bologna | 9 | 0.38 |
| Exploration Geophysics | journal | 18330 | Taylor and Francis Ltd. | 52 | 0.90 |
| Epigenetics | journal | 4304 | Taylor and Francis Ltd. | 117 | 3.37 |
| Journal of Immigrant and Refugee Studies | journal | 7357 | Routledge | 39 | 2.17 |
| Year | Impact Score (IS) |
|---|---|
| 2025/2026 | Coming Soon |
| 2024 | 3.89 |
| 2023 | 3.10 |
| 2022 | 2.79 |
| 2021 | 2.35 |
| 2020 | 2.01 |
| 2019 | 1.89 |
| 2018 | 1.82 |
| 2017 | 1.21 |
| 2016 | 0.85 |
| 2015 | 1.33 |
| 2014 | 1.48 |
