Scimago Journal & Country Rank

International Conference on Transparent Optical Networks


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)19990.000
Cites / Doc. (4 years)20000.254
Cites / Doc. (4 years)20010.308
Cites / Doc. (4 years)20020.112
Cites / Doc. (4 years)20030.172
Cites / Doc. (4 years)20040.248
Cites / Doc. (4 years)20050.309
Cites / Doc. (4 years)20060.307
Cites / Doc. (4 years)20110.000
Cites / Doc. (4 years)20120.372
Cites / Doc. (4 years)20130.513
Cites / Doc. (4 years)20140.495
Cites / Doc. (4 years)20150.421
Cites / Doc. (4 years)20160.480
Cites / Doc. (4 years)20170.430
Cites / Doc. (4 years)20180.486
Cites / Doc. (4 years)20190.475
Cites / Doc. (3 years)19990.000
Cites / Doc. (3 years)20000.254
Cites / Doc. (3 years)20010.308
Cites / Doc. (3 years)20020.112
Cites / Doc. (3 years)20030.181
Cites / Doc. (3 years)20040.287
Cites / Doc. (3 years)20050.373
Cites / Doc. (3 years)20060.325
Cites / Doc. (3 years)20110.000
Cites / Doc. (3 years)20120.372
Cites / Doc. (3 years)20130.513
Cites / Doc. (3 years)20140.495
Cites / Doc. (3 years)20150.453
Cites / Doc. (3 years)20160.499
Cites / Doc. (3 years)20170.478
Cites / Doc. (3 years)20180.531
Cites / Doc. (3 years)20190.507
Cites / Doc. (2 years)19990.000
Cites / Doc. (2 years)20000.254
Cites / Doc. (2 years)20010.308
Cites / Doc. (2 years)20020.116
Cites / Doc. (2 years)20030.215
Cites / Doc. (2 years)20040.364
Cites / Doc. (2 years)20050.421
Cites / Doc. (2 years)20060.000
Cites / Doc. (2 years)20110.000
Cites / Doc. (2 years)20120.372
Cites / Doc. (2 years)20130.513
Cites / Doc. (2 years)20140.534
Cites / Doc. (2 years)20150.475
Cites / Doc. (2 years)20160.559
Cites / Doc. (2 years)20170.550
Cites / Doc. (2 years)20180.597
Cites / Doc. (2 years)20190.514
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 Cites19990
Self Cites20005
Self Cites200118
Self Cites20029
Self Cites200313
Self Cites20040
Self Cites20050
Self Cites20060
Self Cites20110
Self Cites201233
Self Cites201364
Self Cites201476
Self Cites201568
Self Cites201675
Self Cites201772
Self Cites201872
Self Cites201994
Total Cites19990
Total Cites200015
Total Cites200136
Total Cites200223
Total Cites200345
Total Cites200491
Total Cites200585
Total Cites200641
Total Cites20110
Total Cites2012146
Total Cites2013388
Total Cites2014563
Total Cites2015535
Total Cites2016612
Total Cites2017600
Total Cites2018656
Total Cites2019610
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
External Cites per document20000.169
External Cites per document20010.154
External Cites per document20020.068
External Cites per document20030.129
External Cites per document20040.287
External Cites per document20050.373
External Cites per document20060.325
External Cites per document20110
External Cites per document20120.288
External Cites per document20130.429
External Cites per document20140.428
External Cites per document20150.395
External Cites per document20160.438
External Cites per document20170.420
External Cites per document20180.472
External Cites per document20190.429
Cites per document19990.000
Cites per document20000.254
Cites per document20010.308
Cites per document20020.112
Cites per document20030.181
Cites per document20040.287
Cites per document20050.373
Cites per document20060.325
Cites per document20110.000
Cites per document20120.372
Cites per document20130.513
Cites per document20140.495
Cites per document20150.453
Cites per document20160.499
Cites per document20170.478
Cites per document20180.531
Cites per document20190.507
% 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 documents20001
Non-citable documents20012
Non-citable documents20023
Non-citable documents20034
Non-citable documents20046
Non-citable documents20055
Non-citable documents20063
Non-citable documents20110
Non-citable documents20121
Non-citable documents20132
Non-citable documents20143
Non-citable documents20153
Non-citable documents20163
Non-citable documents20174
Non-citable documents20184
Non-citable documents20194
Citable documents19990
Citable documents200059
Citable documents2001117
Citable documents2002206
Citable documents2003249
Citable documents2004317
Citable documents2005228
Citable documents2006126
Citable documents20110
Citable documents2012393
Citable documents2013756
Citable documents20141137
Citable documents20151182
Citable documents20161226
Citable documents20171256
Citable documents20181236
Citable documents20191203
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 documents19990
Uncited documents200050
Uncited documents200193
Uncited documents2002190
Uncited documents2003219
Uncited documents2004268
Uncited documents2005186
Uncited documents2006110
Uncited documents20110
Uncited documents2012305
Uncited documents2013542
Uncited documents2014836
Uncited documents2015891
Uncited documents2016878
Uncited documents2017914
Uncited documents2018884
Uncited documents2019850
Cited documents19990
Cited documents200010
Cited documents200126
Cited documents200219
Cited documents200334
Cited documents200455
Cited documents200547
Cited documents200619
Cited documents20110
Cited documents201289
Cited documents2013216
Cited documents2014304
Cited documents2015294
Cited documents2016351
Cited documents2017346
Cited documents2018356
Cited documents2019357
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Metrics based on Scopus® data as of April 2020
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