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Journal of Computer and System Sciences

Academic Press Inc. · United States · Est. 1967

ISSN1090-2724

SJR Q2✓ 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JCR quartile are licensed by Clarivate — we link you to the official source instead of reprinting a number that can go out of date.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 Q2. Source: Clarivate Journal Citation Reports.

📊 Standing in its field

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

SJR · Scopus

Top 50% in field

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

SJR Scorei

0.626

H-Indexi

190

SNIPi

1.081

Total Worksi

3,985

Total Citationsi

200,547

2yr Mean Citednessi

0.86

Open Impact Factor alternative

Aims & Scope

Subject areas: Computer Science, Hardware & Architecture; Computer Science, Theory & Methods; Applied Mathematics; Computational Theory and Mathematics; Computer Networks and Communications; Theoretical Computer Science.

General Information

Country / RegionUnited States

Primary LanguageEnglish

1st Year Published1967

FrequencyBiannual

StatusActive (last: 2026)

Total Publications3,985

Publisher OrgElsevier BV

Visit Journal Website

Submission Info

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?

Academic Press Inc.

✅

Does the journal have a website?

✓ Linked

✅

Is the ISSN verified?

1090-2724

✅

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

282

2019

358

2020

382

2021

183

2022

195

2023

126

2024

2025

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.

Applied MathematicsQ2

Computational Theory and MathematicsQ2

Computer Networks and CommunicationsQ2

Theoretical Computer ScienceQ2

Subject Classification

Web of Science Categories

Computer Science, Hardware & ArchitectureComputer Science, Theory & Methods

Scopus Categories

Applied MathematicsComputer Networks and CommunicationsTheoretical Computer ScienceComputational Theory and Mathematics

Research Topics (OpenAlex)

semigroups and automata theoryComplexity and Algorithms in GraphsAlgorithms and Data CompressionAdvanced Graph Theory ResearchComputability, Logic, AI AlgorithmsLogic, programming, and type systemsMachine Learning and AlgorithmsHuman auditory perception and evaluationDiverse Scientific and Economic StudiesFormal Methods in Verification

Frequently asked questions about Journal of Computer and System Sciences

Is Journal of Computer and System Sciences a predatory journal?

PubScope has no integrity flags on record for Journal of Computer and System Sciences: 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 Journal of Computer and System Sciences?

Journal of Computer and System Sciences 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 0.86.

Is Journal of Computer and System Sciences indexed in Scopus and Web of Science?

Journal of Computer and System Sciences is indexed in Web of Science, Scopus.