Scimago Journal & Country Rank

npj Quantum Information

Country United Kingdom  - SIR icon SIR Ranking of United Kingdom
9
H Index
Subject Area and CategoryComputer Science
Computational Theory and Mathematics
Computer Networks and Communications
Computer Science (miscellaneous)

Physics and Astronomy
Statistical and Nonlinear Physics
PublisherNature Partner Journals
Publication typeJournals
ISSN20566387
Coverage2015, 2017-ongoing
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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
Computational Theory and Mathematics2016Q1
Computational Theory and Mathematics2017Q1
Computer Networks and Communications2016Q1
Computer Networks and Communications2017Q1
Computer Science (miscellaneous)2016Q1
Computer Science (miscellaneous)2017Q1
Statistical and Nonlinear Physics2016Q1
Statistical and Nonlinear Physics2017Q1
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
20162.278
20173.604
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)20150.000
Cites / Doc. (4 years)20165.556
Cites / Doc. (4 years)20177.333
Cites / Doc. (3 years)20150.000
Cites / Doc. (3 years)20165.556
Cites / Doc. (3 years)20177.333
Cites / Doc. (2 years)20150.000
Cites / Doc. (2 years)20165.556
Cites / Doc. (2 years)20177.333
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 Cites20150
Self Cites20160
Self Cites20172
Total Cites20150
Total Cites201650
Total Cites201766
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 document20150
External Cites per document20165.556
External Cites per document20177.111
Cites per document20150.000
Cites per document20165.556
Cites per document20177.333
% 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
201560.00
20160
201763.64
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 documents20150
Non-citable documents20161
Non-citable documents20171
Citable documents20150
Citable documents20169
Citable documents20179
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 documents20150
Uncited documents20161
Uncited documents20171
Cited documents20150
Cited documents20169
Cited documents20179
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