International Journal of Approximate Reasoning

ISSN 0888-613x · Elsevier BV · United States · active 1987–2026

Metrics

Scimago quartile (2025)
Q2
Cites per paper (2y)
2.8
SJR
0.659
h-index
134

“Cites per paper” is a two-year cited-by rate computed from OpenAlex. It is not a Clarivate Journal Impact Factor — we neither compute nor license that metric (how the two differ). Citation rates differ enormously between fields, so compare within a discipline. What the other figures mean: journal quartile, SJR, h-index and article processing charge.

Data as of 1 November 2026 (venue index build).

Scimago Journal Rank 2025

In the Scimago Journal Rank 2025 edition, International Journal of Approximate Reasoning is Q2 in all 4 of its subject categories.

Scimago 2025 quartile and rank of International Journal of Approximate Reasoning in each subject category
Subject categoryQuartileRank in category
Theoretical Computer ScienceQ2#41 of 128
SoftwareQ2#138 of 392
Artificial IntelligenceQ2#177 of 434
Applied MathematicsQ2#210 of 658
Cites per document (2 years, Scopus)
3.13
Documents indexed in 2025 (Scopus)
178

The quartile is the one Scimago prints for each category. Rank is the journal's position by SJR among the journals Scimago lists in that category (#1 is the highest); “—” means we hold no rank consistent with that quartile. The document count is what Scopus indexed that year, which can be lower than a journal's full output. Source: SCImago Journal Rank 2025 edition, from Scopus data (scimagojr.com, CC BY-NC).

International Journal of Approximate Reasoning is Q2 in all 4 of its Scimago subject categories (2025 edition; best category Theoretical Computer Science: Q2, #41 of 128), with SJR 0.659 (Scimago) and an h-index of 134 (OpenAlex). Listed in Scopus, Web of Science, PubMed.

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Indexing & access

Indexed in
ScopusWeb of SciencePubMed
Access status:
hybrid. Where this comes from publisher-level signals rather than works-level data it is a heuristic — confirm on the journal’s own site, especially regarding any article processing charge.

Official journal site →

Scope

roughsetsfuzzylogiccomputationalmathematicsbayesianmodelingcausalinferenceartificialintelligence

Frequently asked

Is International Journal of Approximate Reasoning a predatory journal?

Our screening does not flag International Journal of Approximate Reasoning. That is not a guarantee of quality — it means the venue is not on Beall's archive (frozen since 2017) and does not match our name-pattern heuristic. It is listed in Scopus, Web of Science, PubMed, which is a positive signal.

Is International Journal of Approximate Reasoning indexed in Scopus or Web of Science?

Per our venue index, International Journal of Approximate Reasoning appears in: Scopus, Web of Science, PubMed. Index membership changes over time — confirm on the index's own site before relying on it.

What is the impact factor of International Journal of Approximate Reasoning?

Papers in International Journal of Approximate Reasoning are cited about 2.8 times each within two years of publication, and Scimago places it in Q2, with an h-index of 134. Those are the open equivalents: the Clarivate Journal Impact Factor is a proprietary metric we neither compute nor license, so we show the two-year citation rate and Scimago quartile instead — they answer the same question of how heavily the journal is cited. A citation rate is a property of a field as much as of a journal.

What Scimago quartile is International Journal of Approximate Reasoning (Q1, Q2, Q3, or Q4)?

In the Scimago Journal Rank 2025 edition, International Journal of Approximate Reasoning is Q2 in all 4 of its subject categories. By category: Theoretical Computer Science: Q2, #41 of 128; Software: Q2, #138 of 392; Artificial Intelligence: Q2, #177 of 434; Applied Mathematics: Q2, #210 of 658. Quartiles split the journals in a subject category into four equal groups by SJR, so Q1 is the most-cited quarter and Q4 the least; International Journal of Approximate Reasoning is cited about 2.8 times per paper over two years, with an h-index of 134.

What is the Web of Science (JCR) quartile of International Journal of Approximate Reasoning?

The Web of Science quartile comes from Clarivate's Journal Citation Reports (JCR), a proprietary product we neither license nor compute — so we cannot state a JCR quartile for International Journal of Approximate Reasoning. The open equivalent is its Scimago quartile, Q2, derived from Scopus citation data. Because JCR ranks against Web of Science and Scimago against Scopus, the two can differ, so check Clarivate's site directly if you need the JCR quartile specifically.

Is International Journal of Approximate Reasoning open access?

Our index records its access status as "hybrid". Where this is derived from publisher-level signals rather than works-level data it is a heuristic, so confirm on the journal's own site — particularly if an article processing charge matters to you.

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