Scimago Journal & Country Rank

4OR

Country

Germany

Universities and research institutions in Germany
Media Ranking in Germany

Subject Area and Category

Publisher


H-Index

46

Publication type

Journals

ISSN

16142411, 16194500

Coverage

2003-2023

Information

Homepage

How to publish in this journal

Yves.Crama@ulg.ac.be

Scope

4OR - A Quarterly Journal of Operations Research is jointly published by the Belgian, French and Italian Operations Research Societies. It publishes high quality scientific papers on the theory and applications of Operations Research. It is distributed to all individual members of the participating societies. The journal consists of several sections: · Invited Survey. This section is limited to one paper per issue, and consists of "state-of-the-art surveys" written by prominent researchers on invitation from the Editors-in-Chief. · Research Papers. This section is the core of the journal. Its aim is to publish high quality scientific papers within a short period of time, allowing OR researchers to communicate innovative results in a fast and efficient way. The emphasis on scientific rigor and on innovation implies, in particular, that: o the journal does not publish articles that simply propose disguised variants of known methods without adequate validation (e.g., metaheuristics that are claimed to be “effective” on the sole basis of metaphorical comparisons with natural or artificial systems and processes). New methods must be presented in metaphor-free language by establishing their relationship with classical paradigms. Their properties must be established on the basis of scientifically compelling arguments: mathematical proofs, controlled experiments, objective comparisons, etc. Join the conversation about this journal
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
Computational Theory and Mathematics2004Q4
Computational Theory and Mathematics2005Q4
Computational Theory and Mathematics2006Q3
Computational Theory and Mathematics2007Q2
Computational Theory and Mathematics2008Q3
Computational Theory and Mathematics2009Q1
Computational Theory and Mathematics2010Q2
Computational Theory and Mathematics2011Q2
Computational Theory and Mathematics2012Q2
Computational Theory and Mathematics2013Q1
Computational Theory and Mathematics2014Q2
Computational Theory and Mathematics2015Q2
Computational Theory and Mathematics2016Q1
Computational Theory and Mathematics2017Q2
Computational Theory and Mathematics2018Q1
Computational Theory and Mathematics2019Q2
Computational Theory and Mathematics2020Q2
Computational Theory and Mathematics2021Q2
Computational Theory and Mathematics2022Q2
Computational Theory and Mathematics2023Q2
Management Information Systems2004Q3
Management Information Systems2005Q3
Management Information Systems2006Q2
Management Information Systems2007Q1
Management Information Systems2008Q2
Management Information Systems2009Q1
Management Information Systems2010Q1
Management Information Systems2011Q1
Management Information Systems2012Q1
Management Information Systems2013Q1
Management Information Systems2014Q1
Management Information Systems2015Q1
Management Information Systems2016Q1
Management Information Systems2017Q1
Management Information Systems2018Q1
Management Information Systems2019Q2
Management Information Systems2020Q2
Management Information Systems2021Q2
Management Information Systems2022Q2
Management Information Systems2023Q2
Management Science and Operations Research2004Q3
Management Science and Operations Research2005Q4
Management Science and Operations Research2006Q2
Management Science and Operations Research2007Q2
Management Science and Operations Research2008Q3
Management Science and Operations Research2009Q1
Management Science and Operations Research2010Q2
Management Science and Operations Research2011Q2
Management Science and Operations Research2012Q2
Management Science and Operations Research2013Q1
Management Science and Operations Research2014Q2
Management Science and Operations Research2015Q2
Management Science and Operations Research2016Q1
Management Science and Operations Research2017Q2
Management Science and Operations Research2018Q1
Management Science and Operations Research2019Q2
Management Science and Operations Research2020Q2
Management Science and Operations Research2021Q2
Management Science and Operations Research2022Q2
Management Science and Operations Research2023Q2
Theoretical Computer Science2004Q4
Theoretical Computer Science2005Q4
Theoretical Computer Science2006Q2
Theoretical Computer Science2007Q2
Theoretical Computer Science2008Q3
Theoretical Computer Science2009Q1
Theoretical Computer Science2010Q2
Theoretical Computer Science2011Q2
Theoretical Computer Science2012Q2
Theoretical Computer Science2013Q1
Theoretical Computer Science2014Q2
Theoretical Computer Science2015Q1
Theoretical Computer Science2016Q1
Theoretical Computer Science2017Q1
Theoretical Computer Science2018Q1
Theoretical Computer Science2019Q2
Theoretical Computer Science2020Q2
Theoretical Computer Science2021Q3
Theoretical Computer Science2022Q2
Theoretical Computer Science2023Q2
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
20040.253
20050.192
20060.613
20070.813
20080.480
20091.437
20100.864
20110.783
20120.698
20131.553
20140.739
20150.974
20161.463
20170.825
20181.220
20190.779
20200.573
20210.579
20220.644
20230.661
Total Documents

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

YearDocuments
200322
200424
200524
200623
200718
200827
200933
201031
201135
201219
201317
201416
201518
201623
201723
201825
201921
202023
202125
202228
202352
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)20030.000
Cites / Doc. (4 years)20040.455
Cites / Doc. (4 years)20050.522
Cites / Doc. (4 years)20060.629
Cites / Doc. (4 years)20071.140
Cites / Doc. (4 years)20080.730
Cites / Doc. (4 years)20091.609
Cites / Doc. (4 years)20101.436
Cites / Doc. (4 years)20111.468
Cites / Doc. (4 years)20121.460
Cites / Doc. (4 years)20131.390
Cites / Doc. (4 years)20141.382
Cites / Doc. (4 years)20151.862
Cites / Doc. (4 years)20161.900
Cites / Doc. (4 years)20171.730
Cites / Doc. (4 years)20182.400
Cites / Doc. (4 years)20191.483
Cites / Doc. (4 years)20201.826
Cites / Doc. (4 years)20211.815
Cites / Doc. (4 years)20222.277
Cites / Doc. (4 years)20232.423
Cites / Doc. (3 years)20030.000
Cites / Doc. (3 years)20040.455
Cites / Doc. (3 years)20050.522
Cites / Doc. (3 years)20060.629
Cites / Doc. (3 years)20070.676
Cites / Doc. (3 years)20080.769
Cites / Doc. (3 years)20091.544
Cites / Doc. (3 years)20101.397
Cites / Doc. (3 years)20111.220
Cites / Doc. (3 years)20121.141
Cites / Doc. (3 years)20131.494
Cites / Doc. (3 years)20141.282
Cites / Doc. (3 years)20151.827
Cites / Doc. (3 years)20162.039
Cites / Doc. (3 years)20171.632
Cites / Doc. (3 years)20182.172
Cites / Doc. (3 years)20191.183
Cites / Doc. (3 years)20201.391
Cites / Doc. (3 years)20211.768
Cites / Doc. (3 years)20222.638
Cites / Doc. (3 years)20232.276
Cites / Doc. (2 years)20030.000
Cites / Doc. (2 years)20040.455
Cites / Doc. (2 years)20050.522
Cites / Doc. (2 years)20060.438
Cites / Doc. (2 years)20070.745
Cites / Doc. (2 years)20080.512
Cites / Doc. (2 years)20091.622
Cites / Doc. (2 years)20101.200
Cites / Doc. (2 years)20110.672
Cites / Doc. (2 years)20121.182
Cites / Doc. (2 years)20131.130
Cites / Doc. (2 years)20141.278
Cites / Doc. (2 years)20152.000
Cites / Doc. (2 years)20161.618
Cites / Doc. (2 years)20171.390
Cites / Doc. (2 years)20181.804
Cites / Doc. (2 years)20191.000
Cites / Doc. (2 years)20201.196
Cites / Doc. (2 years)20212.136
Cites / Doc. (2 years)20222.229
Cites / Doc. (2 years)20232.000
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 Cites20030
Self Cites20041
Self Cites20053
Self Cites20064
Self Cites20070
Self Cites20080
Self Cites200921
Self Cites20103
Self Cites20113
Self Cites201218
Self Cites20133
Self Cites20141
Self Cites201513
Self Cites20163
Self Cites20172
Self Cites201817
Self Cites20191
Self Cites20203
Self Cites202112
Self Cites20222
Self Cites20237
Total Cites20030
Total Cites200410
Total Cites200524
Total Cites200644
Total Cites200748
Total Cites200850
Total Cites2009105
Total Cites2010109
Total Cites2011111
Total Cites2012113
Total Cites2013127
Total Cites201491
Total Cites201595
Total Cites2016104
Total Cites201793
Total Cites2018139
Total Cites201984
Total Cites202096
Total Cites2021122
Total Cites2022182
Total Cites2023173
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 document20030
External Cites per document20040.409
External Cites per document20050.457
External Cites per document20060.571
External Cites per document20070.676
External Cites per document20080.769
External Cites per document20091.235
External Cites per document20101.359
External Cites per document20111.187
External Cites per document20120.960
External Cites per document20131.459
External Cites per document20141.268
External Cites per document20151.577
External Cites per document20161.980
External Cites per document20171.596
External Cites per document20181.906
External Cites per document20191.169
External Cites per document20201.348
External Cites per document20211.594
External Cites per document20222.609
External Cites per document20232.184
Cites per document20030.000
Cites per document20040.455
Cites per document20050.522
Cites per document20060.629
Cites per document20070.676
Cites per document20080.769
Cites per document20091.544
Cites per document20101.397
Cites per document20111.220
Cites per document20121.141
Cites per document20131.494
Cites per document20141.282
Cites per document20151.827
Cites per document20162.039
Cites per document20171.632
Cites per document20182.172
Cites per document20191.183
Cites per document20201.391
Cites per document20211.768
Cites per document20222.638
Cites per document20232.276
% 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
200331.82
200420.83
200529.17
200630.43
200722.22
200822.22
200924.24
201022.58
201114.29
201252.63
201341.18
201425.00
201544.44
201643.48
201717.39
201824.00
201919.05
202021.74
202128.00
202228.57
202326.92
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 documents20030
Non-citable documents20040
Non-citable documents20050
Non-citable documents20060
Non-citable documents20072
Non-citable documents20082
Non-citable documents20092
Non-citable documents20100
Non-citable documents20110
Non-citable documents20123
Non-citable documents20134
Non-citable documents20144
Non-citable documents20151
Non-citable documents20162
Non-citable documents20176
Non-citable documents20189
Non-citable documents201914
Non-citable documents202015
Non-citable documents202115
Non-citable documents20229
Non-citable documents20235
Citable documents20030
Citable documents200422
Citable documents200546
Citable documents200670
Citable documents200769
Citable documents200863
Citable documents200966
Citable documents201078
Citable documents201191
Citable documents201296
Citable documents201381
Citable documents201467
Citable documents201551
Citable documents201649
Citable documents201751
Citable documents201855
Citable documents201957
Citable documents202054
Citable documents202154
Citable documents202260
Citable documents202371
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 documents20030
Uncited documents200415
Uncited documents200536
Uncited documents200646
Uncited documents200748
Uncited documents200842
Uncited documents200927
Uncited documents201043
Uncited documents201150
Uncited documents201254
Uncited documents201345
Uncited documents201435
Uncited documents201513
Uncited documents201616
Uncited documents201725
Uncited documents201821
Uncited documents201937
Uncited documents202030
Uncited documents202124
Uncited documents202229
Uncited documents202320
Cited documents20030
Cited documents20047
Cited documents200510
Cited documents200624
Cited documents200723
Cited documents200823
Cited documents200941
Cited documents201035
Cited documents201141
Cited documents201245
Cited documents201340
Cited documents201436
Cited documents201539
Cited documents201635
Cited documents201732
Cited documents201843
Cited documents201934
Cited documents202039
Cited documents202145
Cited documents202240
Cited documents202356
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