Scimago Journal & Country Rank

VLDB Journal

CountryGermany
73
H Index
Subject Area and CategoryComputer Science
Hardware and Architecture
Information Systems
PublisherSpringer Verlag
Publication typeJournals
ISSN10668888, 0949877
Coverage1992-ongoing
Scope Published on behalf of the VLDB Endowment, this journal contains scholarly contributions that examine information system architectures, the impact of technological advancements on information systems, and the development of novel database applications. The VLDB Journal also publishes a number of special issues in addition to the regular ones. One issue of each volume (usually the third) is devoted to selected papers from the previous year is VLDB Conference. (source)
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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
Hardware and Architecture1999Q1
Hardware and Architecture2000Q1
Hardware and Architecture2001Q2
Hardware and Architecture2002Q1
Hardware and Architecture2003Q1
Hardware and Architecture2004Q1
Hardware and Architecture2005Q1
Hardware and Architecture2006Q1
Hardware and Architecture2007Q1
Hardware and Architecture2008Q1
Hardware and Architecture2009Q1
Hardware and Architecture2010Q1
Hardware and Architecture2011Q1
Hardware and Architecture2012Q1
Hardware and Architecture2013Q1
Hardware and Architecture2014Q1
Hardware and Architecture2015Q1
Hardware and Architecture2016Q1
Hardware and Architecture2017Q1
Information Systems1999Q1
Information Systems2000Q2
Information Systems2001Q2
Information Systems2002Q1
Information Systems2003Q1
Information Systems2004Q1
Information Systems2005Q1
Information Systems2006Q1
Information Systems2007Q1
Information Systems2008Q1
Information Systems2009Q1
Information Systems2010Q1
Information Systems2011Q1
Information Systems2012Q1
Information Systems2013Q1
Information Systems2014Q1
Information Systems2015Q1
Information Systems2016Q1
Information Systems2017Q1
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
19990.710
20000.516
20010.511
20021.244
20031.479
20042.111
20051.969
20061.440
20071.368
20081.598
20090.981
20101.311
20111.241
20121.092
20131.439
20141.155
20151.309
20160.832
20171.003
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)19991.582
Cites / Doc. (4 years)20001.984
Cites / Doc. (4 years)20011.507
Cites / Doc. (4 years)20022.216
Cites / Doc. (4 years)20033.831
Cites / Doc. (4 years)20044.856
Cites / Doc. (4 years)20058.218
Cites / Doc. (4 years)20065.348
Cites / Doc. (4 years)20076.647
Cites / Doc. (4 years)20085.169
Cites / Doc. (4 years)20094.894
Cites / Doc. (4 years)20105.305
Cites / Doc. (4 years)20115.022
Cites / Doc. (4 years)20124.132
Cites / Doc. (4 years)20134.456
Cites / Doc. (4 years)20144.133
Cites / Doc. (4 years)20154.213
Cites / Doc. (4 years)20164.320
Cites / Doc. (4 years)20174.222
Cites / Doc. (3 years)19991.582
Cites / Doc. (3 years)20001.711
Cites / Doc. (3 years)20011.510
Cites / Doc. (3 years)20022.545
Cites / Doc. (3 years)20034.072
Cites / Doc. (3 years)20045.303
Cites / Doc. (3 years)20055.875
Cites / Doc. (3 years)20065.507
Cites / Doc. (3 years)20074.656
Cites / Doc. (3 years)20084.912
Cites / Doc. (3 years)20094.963
Cites / Doc. (3 years)20105.007
Cites / Doc. (3 years)20114.089
Cites / Doc. (3 years)20124.015
Cites / Doc. (3 years)20134.219
Cites / Doc. (3 years)20143.628
Cites / Doc. (3 years)20154.095
Cites / Doc. (3 years)20164.113
Cites / Doc. (3 years)20174.632
Cites / Doc. (2 years)19991.054
Cites / Doc. (2 years)20001.593
Cites / Doc. (2 years)20011.688
Cites / Doc. (2 years)20022.681
Cites / Doc. (2 years)20034.578
Cites / Doc. (2 years)20043.465
Cites / Doc. (2 years)20056.714
Cites / Doc. (2 years)20063.087
Cites / Doc. (2 years)20073.744
Cites / Doc. (2 years)20084.628
Cites / Doc. (2 years)20094.562
Cites / Doc. (2 years)20103.917
Cites / Doc. (2 years)20113.745
Cites / Doc. (2 years)20123.329
Cites / Doc. (2 years)20133.818
Cites / Doc. (2 years)20143.135
Cites / Doc. (2 years)20153.603
Cites / Doc. (2 years)20164.392
Cites / Doc. (2 years)20173.547
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 Cites19993
Self Cites20007
Self Cites20010
Self Cites20023
Self Cites20031
Self Cites20047
Self Cites20056
Self Cites20061
Self Cites20071
Self Cites20086
Self Cites200912
Self Cites201011
Self Cites201120
Self Cites201213
Self Cites20133
Self Cites20148
Self Cites20156
Self Cites201616
Self Cites20177
Total Cites199987
Total Cites200077
Total Cites200177
Total Cites2002140
Total Cites2003281
Total Cites2004350
Total Cites2005376
Total Cites2006369
Total Cites2007298
Total Cites2008334
Total Cites2009531
Total Cites2010731
Total Cites2011646
Total Cites2012534
Total Cites2013481
Total Cites2014410
Total Cites2015475
Total Cites2016473
Total Cites2017542
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 document19991.527
External Cites per document20001.556
External Cites per document20011.510
External Cites per document20022.491
External Cites per document20034.058
External Cites per document20045.197
External Cites per document20055.781
External Cites per document20065.493
External Cites per document20074.641
External Cites per document20084.824
External Cites per document20094.850
External Cites per document20104.932
External Cites per document20113.962
External Cites per document20123.917
External Cites per document20134.193
External Cites per document20143.558
External Cites per document20154.043
External Cites per document20163.974
External Cites per document20174.573
Cites per document19991.582
Cites per document20001.711
Cites per document20011.510
Cites per document20022.545
Cites per document20034.072
Cites per document20045.303
Cites per document20055.875
Cites per document20065.507
Cites per document20074.656
Cites per document20084.912
Cites per document20094.963
Cites per document20105.007
Cites per document20114.089
Cites per document20124.015
Cites per document20134.219
Cites per document20143.628
Cites per document20154.095
Cites per document20164.113
Cites per document20174.632
% 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
199937.50
200020.83
200130.43
200226.09
200326.09
200438.10
200525.93
200610.53
200730.77
200834.33
200935.59
201046.15
201158.54
201252.50
201360.53
201463.64
201557.89
201662.50
201763.04
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 documents20020
Non-citable documents20031
Non-citable documents20043
Non-citable documents20053
Non-citable documents20064
Non-citable documents20073
Non-citable documents20084
Non-citable documents20095
Non-citable documents20106
Non-citable documents20117
Non-citable documents20126
Non-citable documents20136
Non-citable documents20146
Non-citable documents20156
Non-citable documents20165
Non-citable documents20175
Citable documents199955
Citable documents200045
Citable documents200151
Citable documents200255
Citable documents200369
Citable documents200466
Citable documents200564
Citable documents200667
Citable documents200764
Citable documents200868
Citable documents2009107
Citable documents2010146
Citable documents2011158
Citable documents2012133
Citable documents2013114
Citable documents2014113
Citable documents2015116
Citable documents2016115
Citable documents2017117
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 documents199922
Uncited documents200015
Uncited documents200121
Uncited documents200219
Uncited documents200325
Uncited documents200416
Uncited documents200515
Uncited documents200617
Uncited documents200717
Uncited documents200817
Uncited documents200921
Uncited documents201031
Uncited documents201130
Uncited documents201224
Uncited documents201324
Uncited documents201424
Uncited documents201521
Uncited documents201626
Uncited documents201721
Cited documents199933
Cited documents200030
Cited documents200130
Cited documents200236
Cited documents200345
Cited documents200453
Cited documents200552
Cited documents200654
Cited documents200750
Cited documents200855
Cited documents200991
Cited documents2010121
Cited documents2011135
Cited documents2012115
Cited documents201396
Cited documents201495
Cited documents2015101
Cited documents201694
Cited documents2017101
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