Scimago Journal & Country Rank

International Journal of Systems Science

Country

United Kingdom

Universities and research institutions in United Kingdom

Subject Area and Category

Publisher

Taylor and Francis Ltd.

H-Index

69

Publication type

Journals

ISSN

00207721, 14645319

Coverage

1970-2020

Information

Homepage

How to publish in this journal

visakan@sheffield.ac.uk

Scope

International Journal of Systems Science (IJSS) is a world leading journal dedicated to publishing high quality, rigorously reviewed, original papers that contribute to the methodology and practice in emerging systems engineering themes of intelligence, autonomy and complexity. Modern systems are becoming more and more complex and sophisticated in their demand for performance, reliability and increasing autonomy. Historically, highly analytic and numeric-based methods have sufficed, frequently simplifying the problem to allow analytical tractability. Many manufactured and natural systems (biological, ecological and socio-economic) cannot be adequately represented or analyzed without requiring multiple interacting and interconnected frameworks and a common information-processing framework. A wide range of new theories, methodologies and techniques are required to ‘enable’ such systems, and thus engineering and integration to deal with these demands. IJSS therefore encourages original submissions in these areas, with special focus on papers that are strongly novel as well as not being overly applied. Proposals for special issues in cutting-edge areas of systems science are encouraged, and should be discussed with the Editor-in-Chief. Papers that cover those topics related to operations management and logistics will not be accepted for publication in IJSS. Instead they should be submitted directly to sister journal International Journal of Systems Science: Operations & Logistics. Queries regarding submissions can be made by contacting the Editor-in-Chief, whose decision is final. 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 Applications1999Q2
Computer Science Applications2000Q2
Computer Science Applications2001Q2
Computer Science Applications2002Q3
Computer Science Applications2003Q3
Computer Science Applications2004Q3
Computer Science Applications2005Q3
Computer Science Applications2006Q3
Computer Science Applications2007Q3
Computer Science Applications2008Q2
Computer Science Applications2009Q2
Computer Science Applications2010Q2
Computer Science Applications2011Q2
Computer Science Applications2012Q1
Computer Science Applications2013Q2
Computer Science Applications2014Q1
Computer Science Applications2015Q1
Computer Science Applications2016Q2
Computer Science Applications2017Q2
Computer Science Applications2018Q2
Computer Science Applications2019Q2
Computer Science Applications2020Q2
Control and Systems Engineering1999Q1
Control and Systems Engineering2000Q2
Control and Systems Engineering2001Q2
Control and Systems Engineering2002Q2
Control and Systems Engineering2003Q2
Control and Systems Engineering2004Q2
Control and Systems Engineering2005Q2
Control and Systems Engineering2006Q2
Control and Systems Engineering2007Q2
Control and Systems Engineering2008Q2
Control and Systems Engineering2009Q2
Control and Systems Engineering2010Q2
Control and Systems Engineering2011Q1
Control and Systems Engineering2012Q1
Control and Systems Engineering2013Q2
Control and Systems Engineering2014Q1
Control and Systems Engineering2015Q1
Control and Systems Engineering2016Q1
Control and Systems Engineering2017Q2
Control and Systems Engineering2018Q2
Control and Systems Engineering2019Q2
Control and Systems Engineering2020Q2
Theoretical Computer Science1999Q2
Theoretical Computer Science2000Q2
Theoretical Computer Science2001Q2
Theoretical Computer Science2002Q3
Theoretical Computer Science2003Q3
Theoretical Computer Science2004Q3
Theoretical Computer Science2005Q3
Theoretical Computer Science2006Q3
Theoretical Computer Science2007Q3
Theoretical Computer Science2008Q3
Theoretical Computer Science2009Q2
Theoretical Computer Science2010Q2
Theoretical Computer Science2011Q2
Theoretical Computer Science2012Q2
Theoretical Computer Science2013Q2
Theoretical Computer Science2014Q1
Theoretical Computer Science2015Q1
Theoretical Computer Science2016Q2
Theoretical Computer Science2017Q1
Theoretical Computer Science2018Q2
Theoretical Computer Science2019Q2
Theoretical Computer Science2020Q2
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
19990.586
20000.443
20010.478
20020.407
20030.373
20040.372
20050.275
20060.319
20070.369
20080.497
20090.584
20100.669
20110.735
20120.840
20130.758
20140.974
20151.042
20160.778
20170.763
20180.767
20190.791
20200.591
Total Documents

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

YearDocuments
1999123
2000156
2001146
2002114
200381
200476
200595
2006103
200787
2008103
2009114
2010128
2011183
2012196
2013195
2014209
2015240
2016327
2017316
2018254
2019213
2020245
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)19990.419
Cites / Doc. (4 years)20000.402
Cites / Doc. (4 years)20010.544
Cites / Doc. (4 years)20020.464
Cites / Doc. (4 years)20030.529
Cites / Doc. (4 years)20040.751
Cites / Doc. (4 years)20050.707
Cites / Doc. (4 years)20060.735
Cites / Doc. (4 years)20070.763
Cites / Doc. (4 years)20081.019
Cites / Doc. (4 years)20091.363
Cites / Doc. (4 years)20101.582
Cites / Doc. (4 years)20111.935
Cites / Doc. (4 years)20121.987
Cites / Doc. (4 years)20132.074
Cites / Doc. (4 years)20142.323
Cites / Doc. (4 years)20152.414
Cites / Doc. (4 years)20162.452
Cites / Doc. (4 years)20172.662
Cites / Doc. (4 years)20182.701
Cites / Doc. (4 years)20192.755
Cites / Doc. (4 years)20202.771
Cites / Doc. (3 years)19990.419
Cites / Doc. (3 years)20000.392
Cites / Doc. (3 years)20010.510
Cites / Doc. (3 years)20020.480
Cites / Doc. (3 years)20030.517
Cites / Doc. (3 years)20040.739
Cites / Doc. (3 years)20050.565
Cites / Doc. (3 years)20060.671
Cites / Doc. (3 years)20070.752
Cites / Doc. (3 years)20081.046
Cites / Doc. (3 years)20091.365
Cites / Doc. (3 years)20101.645
Cites / Doc. (3 years)20111.783
Cites / Doc. (3 years)20121.849
Cites / Doc. (3 years)20132.067
Cites / Doc. (3 years)20142.406
Cites / Doc. (3 years)20152.437
Cites / Doc. (3 years)20162.599
Cites / Doc. (3 years)20172.737
Cites / Doc. (3 years)20182.797
Cites / Doc. (3 years)20192.851
Cites / Doc. (3 years)20202.637
Cites / Doc. (2 years)19990.385
Cites / Doc. (2 years)20000.316
Cites / Doc. (2 years)20010.441
Cites / Doc. (2 years)20020.483
Cites / Doc. (2 years)20030.454
Cites / Doc. (2 years)20040.503
Cites / Doc. (2 years)20050.439
Cites / Doc. (2 years)20060.585
Cites / Doc. (2 years)20070.773
Cites / Doc. (2 years)20080.911
Cites / Doc. (2 years)20091.316
Cites / Doc. (2 years)20101.442
Cites / Doc. (2 years)20111.393
Cites / Doc. (2 years)20121.749
Cites / Doc. (2 years)20131.987
Cites / Doc. (2 years)20142.463
Cites / Doc. (2 years)20152.391
Cites / Doc. (2 years)20162.528
Cites / Doc. (2 years)20172.751
Cites / Doc. (2 years)20182.955
Cites / Doc. (2 years)20192.663
Cites / Doc. (2 years)20202.315
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 Cites199925
Self Cites200024
Self Cites200117
Self Cites200219
Self Cites200310
Self Cites20049
Self Cites20056
Self Cites200611
Self Cites200716
Self Cites200826
Self Cites200932
Self Cites201096
Self Cites2011120
Self Cites2012176
Self Cites2013310
Self Cites2014271
Self Cites2015307
Self Cites2016289
Self Cites2017294
Self Cites2018284
Self Cites2019239
Self Cites2020278
Total Cites1999181
Total Cites2000152
Total Cites2001210
Total Cites2002204
Total Cites2003215
Total Cites2004252
Total Cites2005153
Total Cites2006169
Total Cites2007206
Total Cites2008298
Total Cites2009400
Total Cites2010500
Total Cites2011615
Total Cites2012786
Total Cites20131048
Total Cites20141381
Total Cites20151462
Total Cites20161674
Total Cites20172124
Total Cites20182470
Total Cites20192557
Total Cites20202065
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 document19990.365
External Cites per document20000.333
External Cites per document20010.477
External Cites per document20020.440
External Cites per document20030.499
External Cites per document20040.719
External Cites per document20050.549
External Cites per document20060.637
External Cites per document20070.712
External Cites per document20080.986
External Cites per document20091.291
External Cites per document20101.356
External Cites per document20111.469
External Cites per document20121.470
External Cites per document20131.482
External Cites per document20141.954
External Cites per document20151.948
External Cites per document20162.171
External Cites per document20172.374
External Cites per document20182.476
External Cites per document20192.584
External Cites per document20202.282
Cites per document19990.419
Cites per document20000.392
Cites per document20010.510
Cites per document20020.480
Cites per document20030.517
Cites per document20040.739
Cites per document20050.565
Cites per document20060.671
Cites per document20070.752
Cites per document20081.046
Cites per document20091.365
Cites per document20101.645
Cites per document20111.783
Cites per document20121.849
Cites per document20132.067
Cites per document20142.406
Cites per document20152.437
Cites per document20162.599
Cites per document20172.737
Cites per document20182.797
Cites per document20192.851
Cites per document20202.637
% 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
199910.57
200012.82
200115.75
20026.14
200333.33
200422.37
200532.63
200632.04
200722.99
200828.16
200925.44
201029.69
201127.32
201220.92
201320.00
201422.49
201521.67
201625.38
201725.63
201821.26
201925.82
202021.63
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 documents19995
Non-citable documents20004
Non-citable documents20017
Non-citable documents20025
Non-citable documents20035
Non-citable documents20043
Non-citable documents20053
Non-citable documents20064
Non-citable documents20077
Non-citable documents20089
Non-citable documents20098
Non-citable documents20106
Non-citable documents20118
Non-citable documents201210
Non-citable documents20139
Non-citable documents20146
Non-citable documents20157
Non-citable documents20166
Non-citable documents20175
Non-citable documents20180
Non-citable documents20190
Non-citable documents20200
Citable documents1999427
Citable documents2000384
Citable documents2001405
Citable documents2002420
Citable documents2003411
Citable documents2004338
Citable documents2005268
Citable documents2006248
Citable documents2007267
Citable documents2008276
Citable documents2009285
Citable documents2010298
Citable documents2011337
Citable documents2012415
Citable documents2013498
Citable documents2014568
Citable documents2015593
Citable documents2016638
Citable documents2017771
Citable documents2018883
Citable documents2019897
Citable documents2020783
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 documents1999321
Uncited documents2000285
Uncited documents2001284
Uncited documents2002304
Uncited documents2003288
Uncited documents2004227
Uncited documents2005180
Uncited documents2006161
Uncited documents2007180
Uncited documents2008155
Uncited documents2009140
Uncited documents2010133
Uncited documents2011139
Uncited documents2012150
Uncited documents2013166
Uncited documents2014147
Uncited documents2015153
Uncited documents2016168
Uncited documents2017173
Uncited documents2018213
Uncited documents2019238
Uncited documents2020173
Cited documents1999111
Cited documents2000103
Cited documents2001128
Cited documents2002121
Cited documents2003128
Cited documents2004114
Cited documents200591
Cited documents200691
Cited documents200794
Cited documents2008130
Cited documents2009153
Cited documents2010171
Cited documents2011206
Cited documents2012275
Cited documents2013341
Cited documents2014427
Cited documents2015447
Cited documents2016476
Cited documents2017603
Cited documents2018670
Cited documents2019659
Cited documents2020610
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