Journal of Heuristics

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.

Category	Year	Quartile
Artificial Intelligence	1999	Q2
Artificial Intelligence	2000	Q2
Artificial Intelligence	2001	Q2
Artificial Intelligence	2002	Q2
Artificial Intelligence	2003	Q2
Artificial Intelligence	2004	Q1
Artificial Intelligence	2005	Q1
Artificial Intelligence	2006	Q2
Artificial Intelligence	2007	Q1
Artificial Intelligence	2008	Q1
Artificial Intelligence	2009	Q2
Artificial Intelligence	2010	Q1
Artificial Intelligence	2011	Q1
Artificial Intelligence	2012	Q1
Artificial Intelligence	2013	Q1
Artificial Intelligence	2014	Q1
Artificial Intelligence	2015	Q1
Artificial Intelligence	2016	Q1
Artificial Intelligence	2017	Q1
Artificial Intelligence	2018	Q2
Artificial Intelligence	2019	Q2
Artificial Intelligence	2020	Q2
Artificial Intelligence	2021	Q2
Artificial Intelligence	2022	Q2
Artificial Intelligence	2023	Q3
Computer Networks and Communications	1999	Q2
Computer Networks and Communications	2000	Q1
Computer Networks and Communications	2001	Q1
Computer Networks and Communications	2002	Q1
Computer Networks and Communications	2003	Q1
Computer Networks and Communications	2004	Q1
Computer Networks and Communications	2005	Q1
Computer Networks and Communications	2006	Q1
Computer Networks and Communications	2007	Q1
Computer Networks and Communications	2008	Q1
Computer Networks and Communications	2009	Q1
Computer Networks and Communications	2010	Q1
Computer Networks and Communications	2011	Q1
Computer Networks and Communications	2012	Q1
Computer Networks and Communications	2013	Q1
Computer Networks and Communications	2014	Q1
Computer Networks and Communications	2015	Q1
Computer Networks and Communications	2016	Q1
Computer Networks and Communications	2017	Q1
Computer Networks and Communications	2018	Q2
Computer Networks and Communications	2019	Q2
Computer Networks and Communications	2020	Q2
Computer Networks and Communications	2021	Q2
Computer Networks and Communications	2022	Q2
Computer Networks and Communications	2023	Q2
Control and Optimization	1999	Q3
Control and Optimization	2000	Q3
Control and Optimization	2001	Q2
Control and Optimization	2002	Q2
Control and Optimization	2003	Q3
Control and Optimization	2004	Q1
Control and Optimization	2005	Q2
Control and Optimization	2006	Q2
Control and Optimization	2007	Q1
Control and Optimization	2008	Q2
Control and Optimization	2009	Q2
Control and Optimization	2010	Q1
Control and Optimization	2011	Q1
Control and Optimization	2012	Q1
Control and Optimization	2013	Q1
Control and Optimization	2014	Q1
Control and Optimization	2015	Q1
Control and Optimization	2016	Q1
Control and Optimization	2017	Q1
Control and Optimization	2018	Q2
Control and Optimization	2019	Q2
Control and Optimization	2020	Q3
Control and Optimization	2021	Q2
Control and Optimization	2022	Q2
Control and Optimization	2023	Q2
Information Systems	1999	Q2
Information Systems	2000	Q2
Information Systems	2001	Q1
Information Systems	2002	Q2
Information Systems	2003	Q2
Information Systems	2004	Q1
Information Systems	2005	Q1
Information Systems	2006	Q2
Information Systems	2007	Q1
Information Systems	2008	Q1
Information Systems	2009	Q1
Information Systems	2010	Q1
Information Systems	2011	Q1
Information Systems	2012	Q1
Information Systems	2013	Q1
Information Systems	2014	Q1
Information Systems	2015	Q1
Information Systems	2016	Q1
Information Systems	2017	Q1
Information Systems	2018	Q2
Information Systems	2019	Q2
Information Systems	2020	Q2
Information Systems	2021	Q2
Information Systems	2022	Q2
Information Systems	2023	Q2
Management Science and Operations Research	1999	Q3
Management Science and Operations Research	2000	Q2
Management Science and Operations Research	2001	Q2
Management Science and Operations Research	2002	Q2
Management Science and Operations Research	2003	Q2
Management Science and Operations Research	2004	Q2
Management Science and Operations Research	2005	Q2
Management Science and Operations Research	2006	Q2
Management Science and Operations Research	2007	Q1
Management Science and Operations Research	2008	Q2
Management Science and Operations Research	2009	Q2
Management Science and Operations Research	2010	Q1
Management Science and Operations Research	2011	Q2
Management Science and Operations Research	2012	Q1
Management Science and Operations Research	2013	Q1
Management Science and Operations Research	2014	Q1
Management Science and Operations Research	2015	Q1
Management Science and Operations Research	2016	Q1
Management Science and Operations Research	2017	Q1
Management Science and Operations Research	2018	Q2
Management Science and Operations Research	2019	Q2
Management Science and Operations Research	2020	Q2
Management Science and Operations Research	2021	Q2
Management Science and Operations Research	2022	Q2
Management Science and Operations Research	2023	Q2
Software	1999	Q2
Software	2000	Q2
Software	2001	Q1
Software	2002	Q1
Software	2003	Q2
Software	2004	Q1
Software	2005	Q1
Software	2006	Q2
Software	2007	Q1
Software	2008	Q1
Software	2009	Q1
Software	2010	Q1
Software	2011	Q1
Software	2012	Q1
Software	2013	Q1
Software	2014	Q1
Software	2015	Q1
Software	2016	Q1
Software	2017	Q1
Software	2018	Q2
Software	2019	Q2
Software	2020	Q2
Software	2021	Q2
Software	2022	Q2
Software	2023	Q2

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.

Year	SJR
1999	0.376
2000	0.534
2001	0.890
2002	0.844
2003	0.695
2004	0.893
2005	0.927
2006	0.628
2007	1.146
2008	0.914
2009	0.830
2010	1.547
2011	1.053
2012	1.281
2013	1.372
2014	1.081
2015	1.069
2016	1.241
2017	1.008
2018	0.528
2019	0.667
2020	0.437
2021	0.589
2022	0.789
2023	0.650

Total Documents

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

Year	Documents
1999	22
2000	26
2001	29
2002	33
2003	22
2004	27
2005	23
2006	23
2007	25
2008	30
2009	27
2010	41
2011	28
2012	36
2013	40
2014	27
2015	31
2016	33
2017	20
2018	33
2019	35
2020	35
2021	35
2022	23
2023	21

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 document	Year	Value
Cites / Doc. (4 years)	1999	0.571
Cites / Doc. (4 years)	2000	0.808
Cites / Doc. (4 years)	2001	0.859
Cites / Doc. (4 years)	2002	1.560
Cites / Doc. (4 years)	2003	1.245
Cites / Doc. (4 years)	2004	1.691
Cites / Doc. (4 years)	2005	2.090
Cites / Doc. (4 years)	2006	2.057
Cites / Doc. (4 years)	2007	1.916
Cites / Doc. (4 years)	2008	2.306
Cites / Doc. (4 years)	2009	1.673
Cites / Doc. (4 years)	2010	2.438
Cites / Doc. (4 years)	2011	2.341
Cites / Doc. (4 years)	2012	2.556
Cites / Doc. (4 years)	2013	3.045
Cites / Doc. (4 years)	2014	2.441
Cites / Doc. (4 years)	2015	2.473
Cites / Doc. (4 years)	2016	2.463
Cites / Doc. (4 years)	2017	2.221
Cites / Doc. (4 years)	2018	2.252
Cites / Doc. (4 years)	2019	2.350
Cites / Doc. (4 years)	2020	2.165
Cites / Doc. (4 years)	2021	2.350
Cites / Doc. (4 years)	2022	2.739
Cites / Doc. (4 years)	2023	2.633
Cites / Doc. (3 years)	1999	0.571
Cites / Doc. (3 years)	2000	0.758
Cites / Doc. (3 years)	2001	0.930
Cites / Doc. (3 years)	2002	1.221
Cites / Doc. (3 years)	2003	1.182
Cites / Doc. (3 years)	2004	1.595
Cites / Doc. (3 years)	2005	2.159
Cites / Doc. (3 years)	2006	1.500
Cites / Doc. (3 years)	2007	1.712
Cites / Doc. (3 years)	2008	1.549
Cites / Doc. (3 years)	2009	1.731
Cites / Doc. (3 years)	2010	2.439
Cites / Doc. (3 years)	2011	2.327
Cites / Doc. (3 years)	2012	2.667
Cites / Doc. (3 years)	2013	2.619
Cites / Doc. (3 years)	2014	2.240
Cites / Doc. (3 years)	2015	2.049
Cites / Doc. (3 years)	2016	2.245
Cites / Doc. (3 years)	2017	2.121
Cites / Doc. (3 years)	2018	1.810
Cites / Doc. (3 years)	2019	2.337
Cites / Doc. (3 years)	2020	2.205
Cites / Doc. (3 years)	2021	2.320
Cites / Doc. (3 years)	2022	2.743
Cites / Doc. (3 years)	2023	2.613
Cites / Doc. (2 years)	1999	0.477
Cites / Doc. (2 years)	2000	0.911
Cites / Doc. (2 years)	2001	0.688
Cites / Doc. (2 years)	2002	0.818
Cites / Doc. (2 years)	2003	0.903
Cites / Doc. (2 years)	2004	1.509
Cites / Doc. (2 years)	2005	1.408
Cites / Doc. (2 years)	2006	1.540
Cites / Doc. (2 years)	2007	1.304
Cites / Doc. (2 years)	2008	1.604
Cites / Doc. (2 years)	2009	1.473
Cites / Doc. (2 years)	2010	2.281
Cites / Doc. (2 years)	2011	2.500
Cites / Doc. (2 years)	2012	2.058
Cites / Doc. (2 years)	2013	2.313
Cites / Doc. (2 years)	2014	1.908
Cites / Doc. (2 years)	2015	1.731
Cites / Doc. (2 years)	2016	1.983
Cites / Doc. (2 years)	2017	1.641
Cites / Doc. (2 years)	2018	1.566
Cites / Doc. (2 years)	2019	2.000
Cites / Doc. (2 years)	2020	2.074
Cites / Doc. (2 years)	2021	2.200
Cites / Doc. (2 years)	2022	2.943
Cites / Doc. (2 years)	2023	1.776

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.

Cites	Year	Value
Self Cites	1999	3
Self Cites	2000	2
Self Cites	2001	4
Self Cites	2002	7
Self Cites	2003	0
Self Cites	2004	13
Self Cites	2005	3
Self Cites	2006	3
Self Cites	2007	0
Self Cites	2008	2
Self Cites	2009	2
Self Cites	2010	2
Self Cites	2011	6
Self Cites	2012	8
Self Cites	2013	12
Self Cites	2014	10
Self Cites	2015	4
Self Cites	2016	4
Self Cites	2017	8
Self Cites	2018	1
Self Cites	2019	5
Self Cites	2020	3
Self Cites	2021	3
Self Cites	2022	6
Self Cites	2023	6
Total Cites	1999	32
Total Cites	2000	50
Total Cites	2001	66
Total Cites	2002	94
Total Cites	2003	104
Total Cites	2004	134
Total Cites	2005	177
Total Cites	2006	108
Total Cites	2007	125
Total Cites	2008	110
Total Cites	2009	135
Total Cites	2010	200
Total Cites	2011	228
Total Cites	2012	256
Total Cites	2013	275
Total Cites	2014	233
Total Cites	2015	211
Total Cites	2016	220
Total Cites	2017	193
Total Cites	2018	152
Total Cites	2019	201
Total Cites	2020	194
Total Cites	2021	239
Total Cites	2022	288
Total Cites	2023	243

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.

Cites	Year	Value
External Cites per document	1999	0.518
External Cites per document	2000	0.727
External Cites per document	2001	0.873
External Cites per document	2002	1.130
External Cites per document	2003	1.182
External Cites per document	2004	1.440
External Cites per document	2005	2.122
External Cites per document	2006	1.458
External Cites per document	2007	1.712
External Cites per document	2008	1.521
External Cites per document	2009	1.705
External Cites per document	2010	2.415
External Cites per document	2011	2.265
External Cites per document	2012	2.583
External Cites per document	2013	2.505
External Cites per document	2014	2.144
External Cites per document	2015	2.010
External Cites per document	2016	2.204
External Cites per document	2017	2.033
External Cites per document	2018	1.798
External Cites per document	2019	2.279
External Cites per document	2020	2.170
External Cites per document	2021	2.291
External Cites per document	2022	2.686
External Cites per document	2023	2.548
Cites per document	1999	0.571
Cites per document	2000	0.758
Cites per document	2001	0.930
Cites per document	2002	1.221
Cites per document	2003	1.182
Cites per document	2004	1.595
Cites per document	2005	2.159
Cites per document	2006	1.500
Cites per document	2007	1.712
Cites per document	2008	1.549
Cites per document	2009	1.731
Cites per document	2010	2.439
Cites per document	2011	2.327
Cites per document	2012	2.667
Cites per document	2013	2.619
Cites per document	2014	2.240
Cites per document	2015	2.049
Cites per document	2016	2.245
Cites per document	2017	2.121
Cites per document	2018	1.810
Cites per document	2019	2.337
Cites per document	2020	2.205
Cites per document	2021	2.320
Cites per document	2022	2.743
Cites per document	2023	2.613

% 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.

Year	International Collaboration
1999	9.09
2000	23.08
2001	24.14
2002	27.27
2003	18.18
2004	25.93
2005	30.43
2006	21.74
2007	32.00
2008	26.67
2009	37.04
2010	24.39
2011	46.43
2012	30.56
2013	37.50
2014	33.33
2015	32.26
2016	30.30
2017	25.00
2018	27.27
2019	40.00
2020	42.86
2021	37.14
2022	26.09
2023	28.57

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.

Documents	Year	Value
Non-citable documents	1999	0
Non-citable documents	2000	0
Non-citable documents	2001	0
Non-citable documents	2002	0
Non-citable documents	2003	2
Non-citable documents	2004	2
Non-citable documents	2005	2
Non-citable documents	2006	0
Non-citable documents	2007	1
Non-citable documents	2008	1
Non-citable documents	2009	3
Non-citable documents	2010	4
Non-citable documents	2011	6
Non-citable documents	2012	4
Non-citable documents	2013	2
Non-citable documents	2014	2
Non-citable documents	2015	2
Non-citable documents	2016	2
Non-citable documents	2017	2
Non-citable documents	2018	2
Non-citable documents	2019	3
Non-citable documents	2020	2
Non-citable documents	2021	3
Non-citable documents	2022	3
Non-citable documents	2023	2
Citable documents	1999	56
Citable documents	2000	66
Citable documents	2001	71
Citable documents	2002	77
Citable documents	2003	86
Citable documents	2004	82
Citable documents	2005	80
Citable documents	2006	72
Citable documents	2007	72
Citable documents	2008	70
Citable documents	2009	75
Citable documents	2010	78
Citable documents	2011	92
Citable documents	2012	92
Citable documents	2013	103
Citable documents	2014	102
Citable documents	2015	101
Citable documents	2016	96
Citable documents	2017	89
Citable documents	2018	82
Citable documents	2019	83
Citable documents	2020	86
Citable documents	2021	100
Citable documents	2022	102
Citable documents	2023	91

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.

Documents	Year	Value
Uncited documents	1999	38
Uncited documents	2000	40
Uncited documents	2001	41
Uncited documents	2002	38
Uncited documents	2003	45
Uncited documents	2004	44
Uncited documents	2005	36
Uncited documents	2006	35
Uncited documents	2007	24
Uncited documents	2008	23
Uncited documents	2009	30
Uncited documents	2010	22
Uncited documents	2011	33
Uncited documents	2012	31
Uncited documents	2013	32
Uncited documents	2014	28
Uncited documents	2015	38
Uncited documents	2016	36
Uncited documents	2017	32
Uncited documents	2018	32
Uncited documents	2019	20
Uncited documents	2020	23
Uncited documents	2021	25
Uncited documents	2022	25
Uncited documents	2023	29
Cited documents	1999	18
Cited documents	2000	26
Cited documents	2001	30
Cited documents	2002	39
Cited documents	2003	43
Cited documents	2004	40
Cited documents	2005	46
Cited documents	2006	37
Cited documents	2007	49
Cited documents	2008	48
Cited documents	2009	48
Cited documents	2010	60
Cited documents	2011	65
Cited documents	2012	65
Cited documents	2013	73
Cited documents	2014	76
Cited documents	2015	65
Cited documents	2016	62
Cited documents	2017	59
Cited documents	2018	52
Cited documents	2019	66
Cited documents	2020	65
Cited documents	2021	78
Cited documents	2022	80
Cited documents	2023	64

% Female Authors

Evolution of the percentage of female authors.

Year	Female Percent
1999	13.46
2000	12.90
2001	19.35
2002	17.81
2003	16.36
2004	11.29
2005	13.04
2006	22.64
2007	16.92
2008	16.90
2009	12.70
2010	15.46
2011	12.68
2012	25.00
2013	18.18
2014	13.19
2015	16.33
2016	14.29
2017	18.03
2018	25.00
2019	23.91
2020	18.69
2021	17.65
2022	16.42
2023	17.14

Documents cited by public policy (Overton)

Evolution of the number of documents cited by public policy documents according to Overton database.

Documents	Year	Value
Overton	1999	0
Overton	2000	0
Overton	2001	0
Overton	2002	0
Overton	2003	0
Overton	2004	0
Overton	2005	1
Overton	2006	0
Overton	2007	0
Overton	2008	0
Overton	2009	0
Overton	2010	0
Overton	2011	0
Overton	2012	0
Overton	2013	1
Overton	2014	0
Overton	2015	0
Overton	2016	0
Overton	2017	0
Overton	2018	0
Overton	2019	0
Overton	2020	0
Overton	2021	0
Overton	2022	0
Overton	2023	0