Scimago Journal & Country Rank

ACM Transactions on Computer Systems

CountryUnited States
H Index
Subject Area and CategoryComputer Science
Computer Science (miscellaneous)
PublisherAssociation for Computing Machinery (ACM)
Publication typeJournals
Coverage1985-1990, 1992-ongoing
Scope The purpose of ACM Transactions on Computer Systems is to present research and development results on the design, specification, realization, behavior, and use of computer systems. The term "computer systems" is interpreted broadly and includes systems architectures, operating systems, distributed systems, and computer networks. Articles that appear in TOCS will tend either to present new techniques and concepts or to report on experiences and experiments with actual systems. Insights useful to system designers, builders, and users will be emphasized. (source)

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)1997Q1
Computer Science (miscellaneous)1998Q2
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)2012Q2
Computer Science (miscellaneous)2013Q2
Computer Science (miscellaneous)2014Q1
Computer Science (miscellaneous)2015Q1
Computer Science (miscellaneous)2016Q1

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)19991.421
Cites / Doc. (4 years)20002.489
Cites / Doc. (4 years)20013.435
Cites / Doc. (4 years)20024.378
Cites / Doc. (4 years)20036.022
Cites / Doc. (4 years)20046.102
Cites / Doc. (4 years)20057.277
Cites / Doc. (4 years)20066.804
Cites / Doc. (4 years)20076.348
Cites / Doc. (4 years)20085.302
Cites / Doc. (4 years)20098.744
Cites / Doc. (4 years)20107.359
Cites / Doc. (4 years)20118.086
Cites / Doc. (4 years)20125.368
Cites / Doc. (4 years)20133.214
Cites / Doc. (4 years)20143.089
Cites / Doc. (4 years)20155.830
Cites / Doc. (4 years)20166.497
Cites / Doc. (3 years)19991.421
Cites / Doc. (3 years)20002.618
Cites / Doc. (3 years)20013.344
Cites / Doc. (3 years)20024.735
Cites / Doc. (3 years)20035.351
Cites / Doc. (3 years)20046.054
Cites / Doc. (3 years)20056.029
Cites / Doc. (3 years)20066.382
Cites / Doc. (3 years)20074.647
Cites / Doc. (3 years)20085.576
Cites / Doc. (3 years)20097.032
Cites / Doc. (3 years)20107.704
Cites / Doc. (3 years)20117.923
Cites / Doc. (3 years)20122.500
Cites / Doc. (3 years)20132.824
Cites / Doc. (3 years)20142.919
Cites / Doc. (3 years)20156.069
Cites / Doc. (3 years)20166.679
Cites / Doc. (2 years)19991.320
Cites / Doc. (2 years)20002.100
Cites / Doc. (2 years)20013.095
Cites / Doc. (2 years)20024.520
Cites / Doc. (2 years)20035.240
Cites / Doc. (2 years)20044.875
Cites / Doc. (2 years)20054.682
Cites / Doc. (2 years)20064.455
Cites / Doc. (2 years)20075.208
Cites / Doc. (2 years)20083.952
Cites / Doc. (2 years)20096.737
Cites / Doc. (2 years)20106.833
Cites / Doc. (2 years)20113.688
Cites / Doc. (2 years)20122.150
Cites / Doc. (2 years)20132.538
Cites / Doc. (2 years)20143.160
Cites / Doc. (2 years)20156.145
Cites / Doc. (2 years)20166.689
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 Cites19992
Self Cites20003
Self Cites20012
Self Cites20021
Self Cites20035
Self Cites20041
Self Cites20055
Self Cites20063
Self Cites20072
Self Cites20082
Self Cites20090
Self Cites20102
Self Cites20111
Self Cites20121
Self Cites20130
Self Cites20140
Self Cites20150
Self Cites20165
Total Cites199954
Total Cites200089
Total Cites2001107
Total Cites2002161
Total Cites2003198
Total Cites2004224
Total Cites2005205
Total Cites2006217
Total Cites2007158
Total Cites2008184
Total Cites2009218
Total Cites2010208
Total Cites2011206
Total Cites201270
Total Cites201396
Total Cites2014108
Total Cites2015965
Total Cites20161062
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 document19991.368
External Cites per document20002.529
External Cites per document20013.281
External Cites per document20024.706
External Cites per document20035.216
External Cites per document20046.027
External Cites per document20055.882
External Cites per document20066.294
External Cites per document20074.588
External Cites per document20085.515
External Cites per document20097.032
External Cites per document20107.630
External Cites per document20117.885
External Cites per document20122.464
External Cites per document20132.824
External Cites per document20142.919
External Cites per document20156.069
External Cites per document20166.648
Cites per document19991.421
Cites per document20002.618
Cites per document20013.344
Cites per document20024.735
Cites per document20035.351
Cites per document20046.054
Cites per document20056.029
Cites per document20066.382
Cites per document20074.647
Cites per document20085.576
Cites per document20097.032
Cites per document20107.704
Cites per document20117.923
Cites per document20122.500
Cites per document20132.824
Cites per document20142.919
Cites per document20156.069
Cites per document20166.679
% 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 documents20062
Non-citable documents20071
Non-citable documents20081
Non-citable documents20090
Non-citable documents20100
Non-citable documents20111
Non-citable documents20121
Non-citable documents20132
Non-citable documents20142
Non-citable documents20154
Non-citable documents20163
Citable documents199938
Citable documents200034
Citable documents200132
Citable documents200234
Citable documents200337
Citable documents200437
Citable documents200534
Citable documents200634
Citable documents200734
Citable documents200833
Citable documents200931
Citable documents201027
Citable documents201126
Citable documents201228
Citable documents201334
Citable documents201437
Citable documents2015159
Citable documents2016159
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 documents199915
Uncited documents20009
Uncited documents20019
Uncited documents200214
Uncited documents20036
Uncited documents20049
Uncited documents20058
Uncited documents20067
Uncited documents20073
Uncited documents20083
Uncited documents20094
Uncited documents20105
Uncited documents20117
Uncited documents20128
Uncited documents20139
Uncited documents201410
Uncited documents201515
Uncited documents201616
Cited documents199923
Cited documents200025
Cited documents200123
Cited documents200220
Cited documents200331
Cited documents200429
Cited documents200527
Cited documents200629
Cited documents200732
Cited documents200831
Cited documents200927
Cited documents201022
Cited documents201120
Cited documents201221
Cited documents201327
Cited documents201429
Cited documents2015148
Cited documents2016146
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