Overview
Complex & Intelligent Systems, published by Springer Science+Business Media, published 1,942 papers in 2021–2025, and its papers received 35,271 citations in those years. Its h-index is 90 and its two-year mean citedness is 5.23. On the ITS Journal Score it ranks #1,963 of 62,158 ranked journals and #111 of 3,238 in Computer Science.
Key figures
Citations count every citation the journal's papers received in these years, including citations to older papers. Two-year mean citedness is OpenAlex's measure of how often recent papers are cited; it is similar in idea to, but not the same as, an impact factor.
Papers and citations by year
| Year | Papers | Citations received | Open-access papers |
|---|---|---|---|
| 2020 | 99 | 4,074 | 99 |
| 2021 | 370 | 14,780 | 370 |
| 2022 | 346 | 8,810 | 346 |
| 2023 | 346 | 5,701 | 346 |
| 2024 | 412 | 3,940 | 412 |
| 2025 | 468 | 2,040 | 468 |
What it publishes
The leading research topics of its papers (OpenAlex topic classification). Select a topic to find other journals that publish on it.
Similar journals
Ranked journals that publish on the same topics.
| Journal | Field | Score | Papers 2021–2025 | Open access |
|---|---|---|---|---|
| Journal of Multi-Criteria Decision Analysis | Decision Sciences | 60.3 | 133 | 54% |
| Evolutionary Computation | Computer Science | 67.7 | 96 | 49% |
| Swarm and Evolutionary Computation | Computer Science | 85.2 | 1,213 | 18% |
| Applied Soft Computing | Computer Science | 87.5 | 6,014 | 16% |
| IEEE Transactions on Evolutionary Computation | Computer Science | 85.3 | 965 | 33% |
| Memetic Computing | Computer Science | 66.1 | 168 | 17% |
| International Journal of the Analytic Hierarchy Process | Decision Sciences | 53.8 | 140 | 100% |
| International Journal of Computational Intelligence Systems | Computer Science | 78.2 | 1,152 | 100% |
Identity and sources
- ISSN-L: 2198-6053
- Print ISSN: 2198-6053
- Electronic ISSN: 2199-4536
- Publisher: Springer Science+Business Media
- Listed in DOAJ: Yes (checked against DOAJ)
- Crossref: ISSN found in Crossref
- OpenAlex: S3035462843
- Journal website: link.springer.com
Figures come from OpenAlex (papers, citations, h-index, topics), Crossref (ISSN check) and DOAJ (open-access listing and fees). They change as records are corrected, so treat them as a dated snapshot. This page does not state whether the journal is indexed in Scopus, Web of Science or PubMed.
Questions
What is the ITS Journal Score of Complex & Intelligent Systems?
It is 80.6 out of 100, which places it #1,963 among ranked journals. The score combines citation impact (45%), h-index (35%) and size (20%) from open OpenAlex data.
What is the impact factor of Complex & Intelligent Systems?
This site does not publish Journal Impact Factors, which belong to Clarivate. As an open alternative, its two-year mean citedness in OpenAlex is 5.23.
Is Complex & Intelligent Systems open access?
100% of its papers from 2021–2025 are recorded as open access, and it is listed in DOAJ.
Does Complex & Intelligent Systems charge a publication fee?
DOAJ records an article processing charge of 2,190 EUR. Check the journal's website for the current fee and any waivers.