Scimago Journal & Country Rank

Computer Journal

Country

United Kingdom

Universities and research institutions in United Kingdom

Subject Area and Category

Publisher

Oxford University Press

H-Index

67

Publication type

Journals

ISSN

00104620, 14602067

Coverage

1967-2021

Information

Homepage

How to publish in this journal

compj@hq.bcs.org.uk

Scope

The Computer Journal is one of the longest-established journals serving all branches of the academic computer science community. It is currently published in four sections: Section A: Computer Science Theory, Methods and Tools[...] Section B: Computer and Communications Networks and Systems[...] Section C: Computational Intelligence, Machine Learning and Data Analytics[...] Section D: Security in Computer Systems and Networks[...] 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
Computer Science (miscellaneous)1999Q3
Computer Science (miscellaneous)2000Q1
Computer Science (miscellaneous)2001Q2
Computer Science (miscellaneous)2002Q2
Computer Science (miscellaneous)2003Q2
Computer Science (miscellaneous)2004Q2
Computer Science (miscellaneous)2005Q2
Computer Science (miscellaneous)2006Q2
Computer Science (miscellaneous)2007Q1
Computer Science (miscellaneous)2008Q1
Computer Science (miscellaneous)2009Q1
Computer Science (miscellaneous)2010Q1
Computer Science (miscellaneous)2011Q1
Computer Science (miscellaneous)2012Q2
Computer Science (miscellaneous)2013Q1
Computer Science (miscellaneous)2014Q2
Computer Science (miscellaneous)2015Q2
Computer Science (miscellaneous)2016Q2
Computer Science (miscellaneous)2017Q2
Computer Science (miscellaneous)2018Q2
Computer Science (miscellaneous)2019Q2
Computer Science (miscellaneous)2020Q2
Computer Science (miscellaneous)2021Q2
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
19990.202
20000.506
20010.388
20020.492
20030.389
20040.469
20050.427
20060.501
20070.723
20080.588
20090.663
20100.602
20110.554
20120.414
20130.460
20140.398
20150.338
20160.293
20170.319
20180.282
20190.336
20200.319
20210.561
Total Documents

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

YearDocuments
199959
200040
200146
200253
200348
200453
200561
200656
200759
200848
200968
2010133
2011149
2012126
2013153
2014229
201597
2016107
2017116
2018129
2019106
2020126
2021136
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)19990.484
Cites / Doc. (4 years)20000.542
Cites / Doc. (4 years)20010.816
Cites / Doc. (4 years)20021.040
Cites / Doc. (4 years)20030.955
Cites / Doc. (4 years)20040.968
Cites / Doc. (4 years)20051.260
Cites / Doc. (4 years)20061.284
Cites / Doc. (4 years)20071.523
Cites / Doc. (4 years)20081.389
Cites / Doc. (4 years)20091.442
Cites / Doc. (4 years)20101.602
Cites / Doc. (4 years)20111.516
Cites / Doc. (4 years)20121.789
Cites / Doc. (4 years)20131.880
Cites / Doc. (4 years)20141.581
Cites / Doc. (4 years)20151.175
Cites / Doc. (4 years)20161.064
Cites / Doc. (4 years)20171.174
Cites / Doc. (4 years)20181.288
Cites / Doc. (4 years)20191.546
Cites / Doc. (4 years)20201.572
Cites / Doc. (4 years)20211.732
Cites / Doc. (3 years)19990.484
Cites / Doc. (3 years)20000.593
Cites / Doc. (3 years)20010.757
Cites / Doc. (3 years)20020.855
Cites / Doc. (3 years)20030.906
Cites / Doc. (3 years)20041.027
Cites / Doc. (3 years)20051.188
Cites / Doc. (3 years)20061.247
Cites / Doc. (3 years)20071.606
Cites / Doc. (3 years)20081.352
Cites / Doc. (3 years)20091.411
Cites / Doc. (3 years)20101.594
Cites / Doc. (3 years)20111.594
Cites / Doc. (3 years)20121.711
Cites / Doc. (3 years)20131.782
Cites / Doc. (3 years)20141.493
Cites / Doc. (3 years)20151.018
Cites / Doc. (3 years)20161.048
Cites / Doc. (3 years)20171.203
Cites / Doc. (3 years)20181.319
Cites / Doc. (3 years)20191.568
Cites / Doc. (3 years)20201.593
Cites / Doc. (3 years)20211.870
Cites / Doc. (2 years)19990.481
Cites / Doc. (2 years)20000.563
Cites / Doc. (2 years)20010.515
Cites / Doc. (2 years)20020.744
Cites / Doc. (2 years)20031.030
Cites / Doc. (2 years)20040.931
Cites / Doc. (2 years)20051.168
Cites / Doc. (2 years)20061.202
Cites / Doc. (2 years)20071.564
Cites / Doc. (2 years)20081.157
Cites / Doc. (2 years)20091.346
Cites / Doc. (2 years)20101.750
Cites / Doc. (2 years)20111.428
Cites / Doc. (2 years)20121.564
Cites / Doc. (2 years)20131.680
Cites / Doc. (2 years)20141.233
Cites / Doc. (2 years)20150.869
Cites / Doc. (2 years)20160.997
Cites / Doc. (2 years)20171.083
Cites / Doc. (2 years)20181.350
Cites / Doc. (2 years)20191.486
Cites / Doc. (2 years)20201.689
Cites / Doc. (2 years)20211.728
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 Cites19994
Self Cites20004
Self Cites20017
Self Cites20024
Self Cites20034
Self Cites20043
Self Cites20054
Self Cites20068
Self Cites20078
Self Cites20086
Self Cites20095
Self Cites201014
Self Cites201122
Self Cites201227
Self Cites201337
Self Cites201453
Self Cites201515
Self Cites201613
Self Cites201728
Self Cites201828
Self Cites201925
Self Cites202026
Self Cites202125
Total Cites199992
Total Cites200099
Total Cites2001115
Total Cites2002124
Total Cites2003126
Total Cites2004151
Total Cites2005183
Total Cites2006202
Total Cites2007273
Total Cites2008238
Total Cites2009230
Total Cites2010279
Total Cites2011397
Total Cites2012599
Total Cites2013727
Total Cites2014639
Total Cites2015517
Total Cites2016502
Total Cites2017521
Total Cites2018422
Total Cites2019552
Total Cites2020559
Total Cites2021675
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 document19990.463
External Cites per document20000.569
External Cites per document20010.711
External Cites per document20020.857
External Cites per document20030.924
External Cites per document20041.072
External Cites per document20051.201
External Cites per document20061.244
External Cites per document20071.636
External Cites per document20081.398
External Cites per document20091.471
External Cites per document20101.596
External Cites per document20111.603
External Cites per document20121.702
External Cites per document20131.756
External Cites per document20141.402
External Cites per document20151.012
External Cites per document20161.045
External Cites per document20171.160
External Cites per document20181.251
External Cites per document20191.506
External Cites per document20201.523
External Cites per document20211.801
Cites per document19990.484
Cites per document20000.593
Cites per document20010.757
Cites per document20020.855
Cites per document20030.906
Cites per document20041.027
Cites per document20051.188
Cites per document20061.247
Cites per document20071.606
Cites per document20081.352
Cites per document20091.411
Cites per document20101.594
Cites per document20111.594
Cites per document20121.711
Cites per document20131.782
Cites per document20141.493
Cites per document20151.018
Cites per document20161.048
Cites per document20171.203
Cites per document20181.319
Cites per document20191.568
Cites per document20201.593
Cites per document20211.870
% 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
199911.86
200020.00
200121.74
200218.87
200316.67
200418.87
200516.39
200616.07
200722.03
200829.17
200930.88
201027.82
201123.49
201225.40
201337.25
201433.19
201534.02
201636.45
201734.48
201830.23
201925.47
202020.63
202125.74
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 documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20025
Non-citable documents20037
Non-citable documents20049
Non-citable documents20055
Non-citable documents20066
Non-citable documents20078
Non-citable documents200810
Non-citable documents200910
Non-citable documents20109
Non-citable documents201115
Non-citable documents201214
Non-citable documents201315
Non-citable documents201410
Non-citable documents201512
Non-citable documents201611
Non-citable documents20178
Non-citable documents20185
Non-citable documents20192
Non-citable documents20201
Non-citable documents20210
Citable documents1999190
Citable documents2000167
Citable documents2001152
Citable documents2002140
Citable documents2003132
Citable documents2004138
Citable documents2005149
Citable documents2006156
Citable documents2007162
Citable documents2008166
Citable documents2009153
Citable documents2010166
Citable documents2011234
Citable documents2012336
Citable documents2013393
Citable documents2014418
Citable documents2015496
Citable documents2016468
Citable documents2017425
Citable documents2018315
Citable documents2019350
Citable documents2020350
Citable documents2021361
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 documents1999136
Uncited documents2000110
Uncited documents200199
Uncited documents200288
Uncited documents200383
Uncited documents200489
Uncited documents200584
Uncited documents200679
Uncited documents200777
Uncited documents200882
Uncited documents200978
Uncited documents201080
Uncited documents2011108
Uncited documents2012159
Uncited documents2013166
Uncited documents2014207
Uncited documents2015284
Uncited documents2016246
Uncited documents2017206
Uncited documents2018147
Uncited documents2019148
Uncited documents2020124
Uncited documents2021135
Cited documents199954
Cited documents200057
Cited documents200153
Cited documents200257
Cited documents200356
Cited documents200458
Cited documents200570
Cited documents200683
Cited documents200793
Cited documents200894
Cited documents200985
Cited documents201095
Cited documents2011141
Cited documents2012191
Cited documents2013242
Cited documents2014221
Cited documents2015224
Cited documents2016233
Cited documents2017227
Cited documents2018173
Cited documents2019204
Cited documents2020227
Cited documents2021226
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