Scimago Journal & Country Rank

Communications in Combinatorics and Optimizationopen access

Country

Iran

Universities and research institutions in Iran

Subject Area and Category

Publisher


H-Index

8

Publication type

Journals

ISSN

25382128, 25382136

Coverage

2017-2021

Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Control and Optimization2021Q2
Discrete Mathematics and Combinatorics2021Q2
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
20210.681
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
20172
201812
201918
202018
202124
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)20170.000
Cites / Doc. (4 years)20180.000
Cites / Doc. (4 years)20190.857
Cites / Doc. (4 years)20201.625
Cites / Doc. (4 years)20211.900
Cites / Doc. (3 years)20170.000
Cites / Doc. (3 years)20180.000
Cites / Doc. (3 years)20190.857
Cites / Doc. (3 years)20201.625
Cites / Doc. (3 years)20211.917
Cites / Doc. (2 years)20170.000
Cites / Doc. (2 years)20180.000
Cites / Doc. (2 years)20190.857
Cites / Doc. (2 years)20201.733
Cites / Doc. (2 years)20211.694
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites20170
Self Cites20180
Self Cites20190
Self Cites20203
Self Cites202112
Total Cites20170
Total Cites20180
Total Cites201912
Total Cites202052
Total Cites202192
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document20170
External Cites per document20180.000
External Cites per document20190.857
External Cites per document20201.581
External Cites per document20211.702
Cites per document20170.000
Cites per document20180.000
Cites per document20190.857
Cites per document20201.625
Cites per document20211.917
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
2017100.00
201816.67
201933.33
202038.89
202141.67
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents20170
Non-citable documents20180
Non-citable documents20190
Non-citable documents20201
Non-citable documents20211
Citable documents20170
Citable documents20182
Citable documents201914
Citable documents202031
Citable documents202147
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents20170
Uncited documents20182
Uncited documents20199
Uncited documents202016
Uncited documents202124
Cited documents20170
Cited documents20180
Cited documents20195
Cited documents202016
Cited documents202124
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Metrics based on Scopus® data as of April 2022
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