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International Journal of Systems Science

Taylor and Francis Ltd. · United Kingdom

ISSN0020-7721eISSN1464-5319

SJR Q1✓ WOS SCIE✓ Scopus / SJR

Impact Factor & Quartile · Web of Science (JCR)

✓ Indexed in the Web of Science Core Collection (SCIE) — Clarivate publishes an official Journal Impact Factor and JCR quartile for this journal.

See the official Impact Factor & quartile on the journal’s page ↗

The Impact Factor & JCR quartile are licensed by Clarivate — we link you to the official source instead of reprinting a number that can go out of date. Open metrics below: SCImago Q1. Source: Clarivate Journal Citation Reports.

📊 Standing in its field

Where this journal ranks among others in the same subject area.

SJR · Scopus

Top 25% in field

Clarivate’s JCR quartile is a separate ranking and may differ

SJR Scorei

1.026

H-Indexi

108

SNIPi

1.138

Total Worksi

9,290

Total Citationsi

129,196

2yr Mean Citednessi

2.89

Open Impact Factor alternative

Retractions

Source: Retraction Watch

Aims & Scope✦ Compiled from public sources

International Journal of Systems Science publishes original research documents in the areas of Databases & Information Systems and General Computer Science. It is also an Open Access journal in Computer Science, Engineering, and Mathematics.

AI-compiled from public web sources · verify on publisher page →

General Information

Country / RegionUnited Kingdom

Primary LanguageEnglish

1st Year Published—

FrequencyMonthly

StatusActive

Total Publications9,290

Publisher OrgTaylor & Francis

Visit Journal Website

Submission Info

Publishing ModelSubscription

Peer Review—

OA License—

OA Rate—

Ethics & Quality

COPE Member✗ No

OASPA Member✗ No

Not on Predatory Lists✓ Yes

Think.Check.Submit Compliance

thinkchecksubmit.org

6/11 · 55%

✅

Do you know the journal / publisher?

Taylor and Francis Ltd.

✅

Does the journal have a website?

✓ Linked

✅

Is the ISSN verified?

0020-7721 / 1464-5319

✅

Indexed in a trusted database?

WoS, Scopus

❌

Peer review process documented?

N/A

❌

Follows ethical publishing standards (COPE)?

N/A

✅

Not on predatory/blacklists?

✓ Clean

❌

Long-term digital preservation?

N/A

❌

Plagiarism detection in place?

N/A

❌

Listed in DOAJ (verified OA)?

N/A

✅

Primary language documented?

English

A twelfth criterion — whether APC fees are clearly disclosed — is not scored here; it is left out of the total rather than counted as a failure. Publication charges appear in the metrics card above.

Based on the Think.Check.Submit framework by DOAJ, COPE & OASPA. All data from verified open sources.

Publication & Citation Trend

Articles published

Citations received

203

2.6k

2019

288

6.2k

2020

255

5.8k

2021

193

3.2k

2022

171

2.1k

2023

310

2.7k

2024

407

895

2025

301

2026

Source: OpenAlex · Each year’s green bar = citations earned by that year’s papers, counted to date — so recent years look lower simply because their papers haven’t had time to be cited yet.

SJR Quartile by Discipline

Scimago ranks this journal separately in each subject category — its quartile can differ by discipline.

Computer Science ApplicationsQ1

Control and Systems EngineeringQ1

Theoretical Computer ScienceQ1

Subject Classification

Web of Science Categories

Automation & Control SystemsComputer Science, Theory & MethodsOperations Research & Management Science

Scopus Categories

Computer Science ApplicationsControl and Systems EngineeringTheoretical Computer Science

Research Topics (OpenAlex)

Stability and Control of Uncertain SystemsAdaptive Control of Nonlinear SystemsControl Systems and IdentificationAdvanced Control Systems OptimizationFault Detection and Control Systems

Frequently asked questions about International Journal of Systems Science

Is International Journal of Systems Science a predatory journal?

PubScope has no integrity flags on record for International Journal of Systems Science: it is indexed in Web of Science, Scopus, and is not on DOAJ's withdrawn list. Indexing is a transparency signal, not a guarantee — always confirm fit and policies before submitting.

What is the impact factor of International Journal of Systems Science?

International Journal of Systems Science is indexed in the Web of Science Core Collection, so Clarivate publishes an official Journal Impact Factor for it (since the 2023 Journal Citation Reports, every Core Collection journal — including Arts & Humanities and Emerging Sources titles — receives one). PubScope links to Clarivate's official source rather than reprinting the number, which can be out of date. Its open 2-year mean citedness is 2.89.

Is International Journal of Systems Science indexed in Scopus and Web of Science?

International Journal of Systems Science is indexed in Web of Science, Scopus.