Scimago Journal & Country Rank

Computers and Operations Research

Country United Kingdom  - SIR icon SIR Ranking of United Kingdom
H Index
Subject Area and CategoryComputer Science
Computer Science (miscellaneous)

Decision Sciences
Management Science and Operations Research

Modeling and Simulation
Publisher Elsevier Ltd.
Publication typeJournals
ISSN03050548, 1873765X
Scope Operations research and computers interact in many scientific fields of vital importance to our society. These include, among others, transportation, economics, investment strategy, inventory control, logistics, safety, reliability, urban planning, and ecology. Computers & Operations Research (COR) provides an international forum for the application of computers and operations research techniques to problems in these and related fields. The common element in all the scientific areas that this Journal addresses is the need for some optimization methodology for determining viable solutions to problems, using computers and the techniques of operations research. However, it is not only the methodology which is of interest: the applications are of equal importance. The two are mutually supportive, since understanding the application helps one greatly to comprehend the optimization methods used, and vice versa.


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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.

Computer Science (miscellaneous)1999Q1
Computer Science (miscellaneous)2000Q1
Computer Science (miscellaneous)2001Q1
Computer Science (miscellaneous)2002Q1
Computer Science (miscellaneous)2003Q1
Computer Science (miscellaneous)2004Q1
Computer Science (miscellaneous)2005Q1
Computer Science (miscellaneous)2006Q1
Computer Science (miscellaneous)2007Q1
Computer Science (miscellaneous)2008Q1
Computer Science (miscellaneous)2009Q1
Computer Science (miscellaneous)2010Q1
Computer Science (miscellaneous)2011Q1
Computer Science (miscellaneous)2012Q1
Computer Science (miscellaneous)2013Q1
Computer Science (miscellaneous)2014Q1
Computer Science (miscellaneous)2015Q1
Computer Science (miscellaneous)2016Q1
Computer Science (miscellaneous)2017Q1
Computer Science (miscellaneous)2018Q1
Computer Science (miscellaneous)2019Q1
Management Science and Operations Research1999Q2
Management Science and Operations Research2000Q2
Management Science and Operations Research2001Q1
Management Science and Operations Research2002Q2
Management Science and Operations Research2003Q1
Management Science and Operations Research2004Q2
Management Science and Operations Research2005Q1
Management Science and Operations Research2006Q1
Management Science and Operations Research2007Q1
Management Science and Operations Research2008Q1
Management Science and Operations Research2009Q1
Management Science and Operations Research2010Q1
Management Science and Operations Research2011Q1
Management Science and Operations Research2012Q1
Management Science and Operations Research2013Q1
Management Science and Operations Research2014Q1
Management Science and Operations Research2015Q1
Management Science and Operations Research2016Q1
Management Science and Operations Research2017Q1
Management Science and Operations Research2018Q1
Management Science and Operations Research2019Q1
Modeling and Simulation1999Q1
Modeling and Simulation2000Q1
Modeling and Simulation2001Q1
Modeling and Simulation2002Q1
Modeling and Simulation2003Q1
Modeling and Simulation2004Q1
Modeling and Simulation2005Q1
Modeling and Simulation2006Q1
Modeling and Simulation2007Q1
Modeling and Simulation2008Q1
Modeling and Simulation2009Q1
Modeling and Simulation2010Q1
Modeling and Simulation2011Q1
Modeling and Simulation2012Q1
Modeling and Simulation2013Q1
Modeling and Simulation2014Q1
Modeling and Simulation2015Q1
Modeling and Simulation2016Q1
Modeling and Simulation2017Q1
Modeling and Simulation2018Q1
Modeling and Simulation2019Q1

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.

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)19990.523
Cites / Doc. (4 years)20000.604
Cites / Doc. (4 years)20010.853
Cites / Doc. (4 years)20020.898
Cites / Doc. (4 years)20031.021
Cites / Doc. (4 years)20041.262
Cites / Doc. (4 years)20051.571
Cites / Doc. (4 years)20062.177
Cites / Doc. (4 years)20072.472
Cites / Doc. (4 years)20082.999
Cites / Doc. (4 years)20093.709
Cites / Doc. (4 years)20103.965
Cites / Doc. (4 years)20113.788
Cites / Doc. (4 years)20124.017
Cites / Doc. (4 years)20134.311
Cites / Doc. (4 years)20143.913
Cites / Doc. (4 years)20153.685
Cites / Doc. (4 years)20164.267
Cites / Doc. (4 years)20174.057
Cites / Doc. (4 years)20184.582
Cites / Doc. (4 years)20195.307
Cites / Doc. (3 years)19990.523
Cites / Doc. (3 years)20000.575
Cites / Doc. (3 years)20010.773
Cites / Doc. (3 years)20020.929
Cites / Doc. (3 years)20031.000
Cites / Doc. (3 years)20041.131
Cites / Doc. (3 years)20051.513
Cites / Doc. (3 years)20062.121
Cites / Doc. (3 years)20072.402
Cites / Doc. (3 years)20082.894
Cites / Doc. (3 years)20093.604
Cites / Doc. (3 years)20103.923
Cites / Doc. (3 years)20113.552
Cites / Doc. (3 years)20123.768
Cites / Doc. (3 years)20134.017
Cites / Doc. (3 years)20143.556
Cites / Doc. (3 years)20153.503
Cites / Doc. (3 years)20164.206
Cites / Doc. (3 years)20174.015
Cites / Doc. (3 years)20184.522
Cites / Doc. (3 years)20194.884
Cites / Doc. (2 years)19990.442
Cites / Doc. (2 years)20000.473
Cites / Doc. (2 years)20010.655
Cites / Doc. (2 years)20020.872
Cites / Doc. (2 years)20030.752
Cites / Doc. (2 years)20041.025
Cites / Doc. (2 years)20051.412
Cites / Doc. (2 years)20061.936
Cites / Doc. (2 years)20072.225
Cites / Doc. (2 years)20082.682
Cites / Doc. (2 years)20093.520
Cites / Doc. (2 years)20103.378
Cites / Doc. (2 years)20113.188
Cites / Doc. (2 years)20123.398
Cites / Doc. (2 years)20133.384
Cites / Doc. (2 years)20143.240
Cites / Doc. (2 years)20153.265
Cites / Doc. (2 years)20164.134
Cites / Doc. (2 years)20173.882
Cites / Doc. (2 years)20183.878
Cites / Doc. (2 years)20194.884
Total 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.

Self Cites199919
Self Cites20008
Self Cites200117
Self Cites200218
Self Cites200326
Self Cites200424
Self Cites200561
Self Cites200632
Self Cites200772
Self Cites200884
Self Cites2009142
Self Cites2010169
Self Cites2011129
Self Cites2012211
Self Cites2013215
Self Cites2014180
Self Cites2015168
Self Cites2016135
Self Cites2017162
Self Cites2018193
Self Cites2019171
Total Cites1999156
Total Cites2000165
Total Cites2001204
Total Cites2002248
Total Cites2003290
Total Cites2004388
Total Cites2005590
Total Cites2006978
Total Cites20071268
Total Cites20081745
Total Cites20092454
Total Cites20102954
Total Cites20112643
Total Cites20122472
Total Cites20132800
Total Cites20142749
Total Cites20152918
Total Cites20163062
Total Cites20172598
Total Cites20183048
Total Cites20193458
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.

External Cites per document19990.460
External Cites per document20000.547
External Cites per document20010.708
External Cites per document20020.861
External Cites per document20030.910
External Cites per document20041.061
External Cites per document20051.356
External Cites per document20062.052
External Cites per document20072.265
External Cites per document20082.755
External Cites per document20093.395
External Cites per document20103.699
External Cites per document20113.379
External Cites per document20123.447
External Cites per document20133.709
External Cites per document20143.323
External Cites per document20153.301
External Cites per document20164.021
External Cites per document20173.765
External Cites per document20184.236
External Cites per document20194.643
Cites per document19990.523
Cites per document20000.575
Cites per document20010.773
Cites per document20020.929
Cites per document20031.000
Cites per document20041.131
Cites per document20051.513
Cites per document20062.121
Cites per document20072.402
Cites per document20082.894
Cites per document20093.604
Cites per document20103.923
Cites per document20113.552
Cites per document20123.768
Cites per document20134.017
Cites per document20143.556
Cites per document20153.503
Cites per document20164.206
Cites per document20174.015
Cites per document20184.522
Cites per document20194.884
% 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
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.

Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20041
Non-citable documents20051
Non-citable documents20063
Non-citable documents200710
Non-citable documents200815
Non-citable documents200924
Non-citable documents201021
Non-citable documents201122
Non-citable documents201212
Non-citable documents201315
Non-citable documents201414
Non-citable documents201517
Non-citable documents201615
Non-citable documents201712
Non-citable documents201813
Non-citable documents201910
Citable documents1999298
Citable documents2000287
Citable documents2001264
Citable documents2002267
Citable documents2003290
Citable documents2004343
Citable documents2005390
Citable documents2006461
Citable documents2007528
Citable documents2008603
Citable documents2009681
Citable documents2010753
Citable documents2011744
Citable documents2012656
Citable documents2013697
Citable documents2014773
Citable documents2015833
Citable documents2016728
Citable documents2017647
Citable documents2018674
Citable documents2019708
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.

Uncited documents1999200
Uncited documents2000187
Uncited documents2001151
Uncited documents2002139
Uncited documents2003154
Uncited documents2004160
Uncited documents2005149
Uncited documents2006142
Uncited documents2007161
Uncited documents2008137
Uncited documents2009155
Uncited documents2010157
Uncited documents2011149
Uncited documents2012118
Uncited documents2013131
Uncited documents2014150
Uncited documents2015179
Uncited documents2016111
Uncited documents201796
Uncited documents201889
Uncited documents201986
Cited documents199998
Cited documents2000100
Cited documents2001113
Cited documents2002128
Cited documents2003136
Cited documents2004184
Cited documents2005242
Cited documents2006322
Cited documents2007377
Cited documents2008481
Cited documents2009550
Cited documents2010617
Cited documents2011617
Cited documents2012550
Cited documents2013581
Cited documents2014637
Cited documents2015671
Cited documents2016632
Cited documents2017563
Cited documents2018598
Cited documents2019632
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