Journal profile · Computer Science, Theory & Methods
Journal of Computer and System Sciences
ISSN 0022-0000 · eISSN 1090-2724 · Academic Press Inc. · UNITED STATES · Bimonthly · Founded 1967
Journal of Computer and System Sciences: CAS Zone 3 · Computer Science (2025 upgraded edition); impact factor 1.32; hybrid open access; APC about USD 2,610; review about 436 days (submission to acceptance, publisher); community-reported acceptance: easy; 82 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Journal of Computer and System Sciences is published by Academic Press Inc. and is in Zone 3 of Computer Science in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are semigroups and automata theory, Complexity and Algorithms in Graphs and Algorithms and Data Compression, together about 27.4% of its articles. Its main subfields are Computational Theory and Mathematics and Artificial Intelligence. (generated from OpenAlex topic counts and CAS ranking data)
The Journal of Computer and System Sciences publishes original research papers in computer science and related subjects in system science, with attention to the relevant mathematical theory. Applications-oriented papers may also be accepted and they are expected to contain deep analytic evaluation of the proposed solutions.Research areas include traditional subjects such as:Theory of algorithms and computability Formal languages Automata theoryContemporary subjects such as:Complexity theory Algorithmic Complexity Parallel & distributed computingComputer networks Neural networksComputational learning theoryDatabase theory & practiceComputer modeling of complex systemsSecurity and Privacy
From the journal's Aims & Scope
Research area (LetPub): Computer Science, Theory & Methods
Main research topics OpenAlex counts of recent articles; shares are approximate
- semigroups and automata theoryComputer Science11.3%
- Complexity and Algorithms in GraphsComputer Science9.1%
- Algorithms and Data CompressionComputer Science7%
- Advanced Graph Theory ResearchComputer Science6.7%
- Computability, Logic, AI AlgorithmsComputer Science5.6%
- Logic, programming, and type systemsComputer Science5.5%
- Machine Learning and AlgorithmsComputer Science4.9%
- Human auditory perception and evaluationEngineering4.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Computer Science, Theory & Methods | Zone 2 |
| Minor | Computer Science, Hardware & Architecture | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Computer Science Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 4 |
| Minor | Computer Science, Hardware & Architecture | Zone 4 |
| Minor | Computer Science, Theory & Methods | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Computer Science Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Computer Science | Zone 3 |
| Minor | Computer Science, Hardware & Architecture | Zone 3 |
| Minor | Computer Science, Theory & Methods | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.32LetPub ·
- Impact factor (publisher)
- 1.4Publisher website ·
- CiteScore 2026-06
- 3.1LetPub ·
- CiteScore (publisher)
- 3.1Publisher website ·
- SJR 2026-06
- 0.63LetPub ·
- SNIP 2026-06
- 1.14LetPub ·
- h-index
- 81LetPub ·
- h-index
- 192OpenAlex ·
- i10-index
- 2,033OpenAlex ·
- 2-year mean citedness
- 1.02OpenAlex ·
- Self-citation rate
- 7.1%LetPub ·
- Share of gold OA articles
- 40.24%LetPub ·
Volume
- Articles per year
- 70LetPub ·
Articles by year OpenAlex count · 4,026 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 74 | 45 | 19 |
| 2025 | 82 | 47 | 66 |
| 2024 | 54 | 39 | 129 |
| 2023 | 64 | 42 | 204 |
| 2022 | 45 | 33 | 200 |
| 2021 | 81 | 81 | 549 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Publisher-reported review time from the journal's website
436 dayssubmission to acceptance · community reports 4–8 weeks
The publisher's own definition applies; dates from this journal's articles in the last 24 months are not available yet, so the publisher's figure is used.
Figures by source
- Average review time (community reports)
- 4–8 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
- Submission to first decision
- 6 daysPublisher website ·
- First decision after review
- 235 daysPublisher website ·
- Submission to acceptance
- 436 daysPublisher website ·
- Acceptance to publication
- 8 daysPublisher website ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 2,610 / EUR 2,440 / GBP 2,090 / JPY 323,720 | — | — | |
| Publisher website | USD 3,020 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Open calls for papers1, by deadline
- IWOCA 2026 special issueDeadline
Policy excerpts from the journal's websiteOpen access
- Open access Open Access
Article Publishing Charge (APC): USD 3,020 (excluding taxes). The amount you pay may be reduced during submission if applicable.Review this journal’s open access policy.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Academic Press Inc.
- Country or region
- UNITED STATES
- Language
- English
- Frequency
- Bimonthly
- Founded
- 1967
- ISSN
- 0022-0000
- Electronic ISSN
- 1090-2724
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Special issues ↗Publisher website
FAQ
Frequently asked questions about Journal of Computer and System Sciences
What CAS zone is Journal of Computer and System Sciences in?
In the 2025 upgraded edition of the CAS Journal Ranking, Journal of Computer and System Sciences is in Zone 3 of Computer Science, and in Zone 2 of the minor category Computer Science, Theory & Methods / Computer Science, Hardware & Architecture. In the 2026 Xinrui edition it is in Zone 4 of Computer Science. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Journal of Computer and System Sciences?
The latest impact factor listed by LetPub is 1.32; CiteScore 3.1, h-index 192.
How long does peer review take at Journal of Computer and System Sciences?
The publisher reports about 436 days (submission to acceptance); authors report an average review time of 4–8 weeks; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Journal of Computer and System Sciences?
According to LetPub and DOAJ records, Journal of Computer and System Sciences is indexed in SCIE and Scopus.
Is Journal of Computer and System Sciences open access, and what is the APC?
Journal of Computer and System Sciences is a hybrid journal. For open-access publication: APC about USD 2,610.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .