What is the Impact Factor of Theory of Computing Systems?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of Theory of Computing Systems is 0.60, ranking in quartile Q4 of Web of Science (SCIE).

Is Theory of Computing Systems indexed in Web of Science or Scopus?

Yes, Theory of Computing Systems is indexed in Web of Science (SCIE, Q4 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 0.295 (Q3) and an H-index of 52.

Who publishes Theory of Computing Systems and what is the Article Processing Charge (APC)?

Theory of Computing Systems is published by Springer US. The estimated Article Processing Charge (APC) is approximately $2,912 USD, subject to institutional waivers and corresponding author affiliations.

What is the ISO-4 abbreviation and acronym of Theory of Computing Systems?

The official ISO-4 abbreviation of Theory of Computing Systems is "THEOR COMPUT SYST" with common acronym "tocs". This standardized title abbreviation is used in citation lists conforming to IEEE, APA, Harvard, or Vancouver styles.

WoS SCIE Q4Scopus Q3SCImago #17,370Hybrid

Theory of Computing Systems

Acronym:tocs

•

Abbreviation (ISO):THEOR COMPUT SYST

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Identifier (ISSN):1432-4350(Print)/1433-0490(Online)

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Publisher:Springer US

Official Website Submission Portal Compare

Clarivate IF (2026)

0.6↑ +0.2

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS SCIEJCR Quartile

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Theory of Computing Systems

WoS Q4

Annual Impact Factor Metric

Current (2026):0.6

Scopus SJR & RankScopus Q3

0.295

#17,370

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

52 papers with at least that number of citations each

WoS: SCIE / JCRQ4

Self-Citation Rate0%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessHybrid

40articles/year

50.88% Gold OA•100% Original Research

Aims & Scope

TOCS is devoted to publishing original research from all areas of theoretical computer science, ranging from foundational areas such as computational complexity, to fundamental areas such as algorithms and data structures, to focused areas such as parallel and distributed algorithms and architectures.

Topics Covered (Recognized by AI)

Computer science92.8%Mathematics88.9%Combinatorics60.2%Discrete mathematics57.2%Algorithm55.1%Programming language44.9%Mathematical analysis43.5%Theoretical computer science42.4%Philosophy35.4%Physics32.5%Engineering31.7%Artificial intelligence27.3%Operating system24%Geometry22.3%Economics22.1%Mathematical optimization21%

Primary Research Areas

Engineering & Technology Computer Science: Theory & Methods

Official Website NLM PubMed Catalog Submission Portal SCImago Profile

0 calls

Special Issues

Calls for Papers

No active Calls for Papers found for this journal.

Expand

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI

JCRSCIE2026

COMPUTER SCIENCE, THEORY & METHODS

Rank134/146

IndexSCIE

JCRSCIE2026

MATHEMATICS

Rank313/492

IndexSCIE

JCISCIE2026

COMPUTER SCIENCE, THEORY & METHODS

Rank114/147

IndexSCIE

JCISCIE2026

MATHEMATICS

Rank447/492

IndexSCIE

Category	Index	Rank	Quartile
COMPUTER SCIENCE, THEORY & METHODS	JCRSCIE	134/146	Q4
MATHEMATICS	JCRSCIE	313/492	Q3
COMPUTER SCIENCE, THEORY & METHODS	JCISCIE	114/147	Q4
MATHEMATICS	JCISCIE	447/492	Q4

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year

2026Latest

IF0.6

Articles / Year39

Total Citations5

2025

IF0.4

Articles / Year40

Total Citations32

2024

IF0.6

Articles / Year42

Total Citations126

2023

IF0.5

Articles / Year43

Total Citations55

2022

IF0.616

Articles / Year49

Total Citations116

Year	Impact Factor	Articles / Year	Total Citations
2026	0.6	39	5
2025	0.4	40	32
2024	0.6	42	126
2023	0.5	43	55
2022	0.616	49	116
2021	0.582	44	127
2020	0.497	54	259
2019	0.603	55	157
2018	0.458	72	520
2017	—	86	619
2016	—	71	629
2015	—	68	525

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #17,370Scopus Q3SCImago Profile

Scopus Coverage:1996-2026

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Scopus Broad Areas:Computer ScienceMathematics

Scopus Citation Rank (SJR)Q3

0.295

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q3

Citations / Doc (2 years)

0.62

Average citations received per document published in the 2-year window.

2-Year Citation Window

Estimated Publication Fee (APC)

$2,912 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations100

3-Year Documents147

Citable Documents140

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate21.7%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Computational Theory and MathematicsQ3

Theoretical Computer ScienceQ4

Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth

Self-citation: 0%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):

4区 (Zone 4)Computer Science

Minor Category (Specific Field):

4区COMPUTER SCIENCE, THEORY & METHODS

CAS Early Warning List History:

Updated annually: 2020 – 2024

2020

Not warned

2021

Not warned

2022

Not warned

2023

Not warned

2024

Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Theory of Computing Systems (acronym: tocs, abbr: THEOR COMPUT SYST, ISSN: 1432-4350) is a peer-reviewed international scholarly journal in the field of Engineering & Technology, published by Springer US in Germany since 1967. The periodical holds a Journal Impact Factor (JIF) of 0.60, ranking in quartile Q4 of Web of Science (SCIE), a Scopus SJR indicator of 0.295 (Q3), an H-index of 52.

The journal enforces rigorous peer evaluation with a publication frequency of Bimonthly, an annual output of approximately 40 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $2,912 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.