International Journal of Services Operations and Informatics

The international dimension is emphasised in order to overcome cultural and national barriers and to meet the needs of accelerating service globalisation and technological change and changes in the global economy. IJSOI will publish high quality papers in all areas of service design, operations, and management; service process engineering; event management; production; integrated logistics and supply chain networks; productivity and quality management; and communications and information systems. Ultimately, the presented empirical results, discovered science and technology in the areas of service operations and informatics can be effectively disseminated in academia and explained to policy makers, practising professionals and managers. Topics covered include Service science, engineering, practice Service design, modelling, delivery, operations Service networks, management, sustainability Healthcare delivery networks Homeland security networks Logistics planning, integrated logistics networks, supply/demand forecasting Customer relationship management Production planning, scheduling, control System integration/modelling, information integration, decision support systems Production and service information systems Event management systems Real time identification/tracking, RFID technology/application Sensor-based networks for service operations Warehousing/distribution, intelligent transport systems Simulation, data warehousing, data mining, knowledge integration.

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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.

Category	Year	Quartile
Computer Science Applications	2007	Q4
Computer Science Applications	2008	Q4
Computer Science Applications	2009	Q4
Computer Science Applications	2010	Q3
Computer Science Applications	2011	Q4
Computer Science Applications	2012	Q4
Computer Science Applications	2013	Q4
Computer Science Applications	2014	Q4
Computer Science Applications	2015	Q4
Computer Science Applications	2016	Q4
Computer Science Applications	2017	Q4
Computer Science Applications	2018	Q4
Computer Science Applications	2019	Q4
Computer Science Applications	2020	Q4
Computer Science Applications	2021	Q4
Computer Science Applications	2022	Q4
Computer Science Applications	2023	Q4
Information Systems	2007	Q4
Information Systems	2008	Q3
Information Systems	2009	Q3
Information Systems	2010	Q3
Information Systems	2011	Q4
Information Systems	2012	Q4
Information Systems	2013	Q4
Information Systems	2014	Q4
Information Systems	2015	Q4
Information Systems	2016	Q4
Information Systems	2017	Q4
Information Systems	2018	Q4
Information Systems	2019	Q4
Information Systems	2020	Q4
Information Systems	2021	Q4
Information Systems	2022	Q4
Information Systems	2023	Q4
Management Information Systems	2007	Q4
Management Information Systems	2008	Q3
Management Information Systems	2009	Q3
Management Information Systems	2010	Q3
Management Information Systems	2011	Q4
Management Information Systems	2012	Q4
Management Information Systems	2013	Q4
Management Information Systems	2014	Q4
Management Information Systems	2015	Q4
Management Information Systems	2016	Q4
Management Information Systems	2017	Q4
Management Information Systems	2018	Q4
Management Information Systems	2019	Q4
Management Information Systems	2020	Q4
Management Information Systems	2021	Q4
Management Information Systems	2022	Q3
Management Information Systems	2023	Q4
Management Science and Operations Research	2007	Q4
Management Science and Operations Research	2008	Q4
Management Science and Operations Research	2009	Q3
Management Science and Operations Research	2010	Q3
Management Science and Operations Research	2011	Q4
Management Science and Operations Research	2012	Q4
Management Science and Operations Research	2013	Q4
Management Science and Operations Research	2014	Q4
Management Science and Operations Research	2015	Q4
Management Science and Operations Research	2016	Q4
Management Science and Operations Research	2017	Q4
Management Science and Operations Research	2018	Q4
Management Science and Operations Research	2019	Q4
Management Science and Operations Research	2020	Q4
Management Science and Operations Research	2021	Q4
Management Science and Operations Research	2022	Q4
Management Science and Operations Research	2023	Q4

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
2007	0.119
2008	0.205
2009	0.215
2010	0.226
2011	0.128
2012	0.146
2013	0.174
2014	0.163
2015	0.187
2016	0.106
2017	0.106
2018	0.124
2019	0.109
2020	0.152
2021	0.170
2022	0.232
2023	0.183

Total Documents

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

Year	Documents
2006	25
2007	25
2008	23
2009	23
2010	21
2011	18
2012	21
2013	4
2014	0
2015	0
2016	6
2017	11
2018	20
2019	9
2020	10
2021	24
2022	9
2023	5

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)	2006	0.000
Cites / Doc. (4 years)	2007	0.160
Cites / Doc. (4 years)	2008	0.300
Cites / Doc. (4 years)	2009	0.658
Cites / Doc. (4 years)	2010	0.688
Cites / Doc. (4 years)	2011	0.370
Cites / Doc. (4 years)	2012	0.471
Cites / Doc. (4 years)	2013	0.434
Cites / Doc. (4 years)	2014	0.484
Cites / Doc. (4 years)	2015	0.326
Cites / Doc. (4 years)	2016	0.440
Cites / Doc. (4 years)	2017	0.300
Cites / Doc. (4 years)	2018	0.294
Cites / Doc. (4 years)	2019	0.270
Cites / Doc. (4 years)	2020	0.696
Cites / Doc. (4 years)	2021	0.720
Cites / Doc. (4 years)	2022	0.984
Cites / Doc. (4 years)	2023	0.962
Cites / Doc. (3 years)	2006	0.000
Cites / Doc. (3 years)	2007	0.160
Cites / Doc. (3 years)	2008	0.300
Cites / Doc. (3 years)	2009	0.658
Cites / Doc. (3 years)	2010	0.634
Cites / Doc. (3 years)	2011	0.358
Cites / Doc. (3 years)	2012	0.339
Cites / Doc. (3 years)	2013	0.383
Cites / Doc. (3 years)	2014	0.395
Cites / Doc. (3 years)	2015	0.280
Cites / Doc. (3 years)	2016	0.500
Cites / Doc. (3 years)	2017	0.167
Cites / Doc. (3 years)	2018	0.294
Cites / Doc. (3 years)	2019	0.270
Cites / Doc. (3 years)	2020	0.750
Cites / Doc. (3 years)	2021	0.769
Cites / Doc. (3 years)	2022	1.070
Cites / Doc. (3 years)	2023	0.884
Cites / Doc. (2 years)	2006	0.000
Cites / Doc. (2 years)	2007	0.160
Cites / Doc. (2 years)	2008	0.300
Cites / Doc. (2 years)	2009	0.646
Cites / Doc. (2 years)	2010	0.652
Cites / Doc. (2 years)	2011	0.182
Cites / Doc. (2 years)	2012	0.333
Cites / Doc. (2 years)	2013	0.154
Cites / Doc. (2 years)	2014	0.520
Cites / Doc. (2 years)	2015	0.000
Cites / Doc. (2 years)	2016	0.000
Cites / Doc. (2 years)	2017	0.167
Cites / Doc. (2 years)	2018	0.294
Cites / Doc. (2 years)	2019	0.258
Cites / Doc. (2 years)	2020	0.759
Cites / Doc. (2 years)	2021	1.316
Cites / Doc. (2 years)	2022	0.941
Cites / Doc. (2 years)	2023	0.879

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	2006	0
Self Cites	2007	1
Self Cites	2008	0
Self Cites	2009	1
Self Cites	2010	1
Self Cites	2011	1
Self Cites	2012	3
Self Cites	2013	0
Self Cites	2014	0
Self Cites	2015	0
Self Cites	2016	0
Self Cites	2017	0
Self Cites	2018	2
Self Cites	2019	0
Self Cites	2020	0
Self Cites	2021	2
Self Cites	2022	12
Self Cites	2023	0
Total Cites	2006	0
Total Cites	2007	4
Total Cites	2008	15
Total Cites	2009	48
Total Cites	2010	45
Total Cites	2011	24
Total Cites	2012	21
Total Cites	2013	23
Total Cites	2014	17
Total Cites	2015	7
Total Cites	2016	2
Total Cites	2017	1
Total Cites	2018	5
Total Cites	2019	10
Total Cites	2020	30
Total Cites	2021	30
Total Cites	2022	46
Total Cites	2023	38

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	2006	0
External Cites per document	2007	0.120
External Cites per document	2008	0.300
External Cites per document	2009	0.644
External Cites per document	2010	0.620
External Cites per document	2011	0.343
External Cites per document	2012	0.290
External Cites per document	2013	0.383
External Cites per document	2014	0.395
External Cites per document	2015	0.280
External Cites per document	2016	0.500
External Cites per document	2017	0.167
External Cites per document	2018	0.176
External Cites per document	2019	0.270
External Cites per document	2020	0.750
External Cites per document	2021	0.718
External Cites per document	2022	0.791
External Cites per document	2023	0.884
Cites per document	2006	0.000
Cites per document	2007	0.160
Cites per document	2008	0.300
Cites per document	2009	0.658
Cites per document	2010	0.634
Cites per document	2011	0.358
Cites per document	2012	0.339
Cites per document	2013	0.383
Cites per document	2014	0.395
Cites per document	2015	0.280
Cites per document	2016	0.500
Cites per document	2017	0.167
Cites per document	2018	0.294
Cites per document	2019	0.270
Cites per document	2020	0.750
Cites per document	2021	0.769
Cites per document	2022	1.070
Cites per document	2023	0.884

% 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
2006	20.00
2007	32.00
2008	21.74
2009	13.04
2010	23.81
2011	27.78
2012	19.05
2013	25.00
2014	0
2015	0
2016	0.00
2017	18.18
2018	10.00
2019	33.33
2020	10.00
2021	12.50
2022	11.11
2023	20.00

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	2006	0
Non-citable documents	2007	0
Non-citable documents	2008	1
Non-citable documents	2009	1
Non-citable documents	2010	1
Non-citable documents	2011	0
Non-citable documents	2012	0
Non-citable documents	2013	1
Non-citable documents	2014	1
Non-citable documents	2015	1
Non-citable documents	2016	0
Non-citable documents	2017	0
Non-citable documents	2018	0
Non-citable documents	2019	0
Non-citable documents	2020	0
Non-citable documents	2021	0
Non-citable documents	2022	1
Non-citable documents	2023	1
Citable documents	2006	0
Citable documents	2007	25
Citable documents	2008	49
Citable documents	2009	72
Citable documents	2010	70
Citable documents	2011	67
Citable documents	2012	62
Citable documents	2013	59
Citable documents	2014	42
Citable documents	2015	24
Citable documents	2016	4
Citable documents	2017	6
Citable documents	2018	17
Citable documents	2019	37
Citable documents	2020	40
Citable documents	2021	39
Citable documents	2022	42
Citable documents	2023	42

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	2006	0
Uncited documents	2007	21
Uncited documents	2008	38
Uncited documents	2009	49
Uncited documents	2010	43
Uncited documents	2011	51
Uncited documents	2012	45
Uncited documents	2013	46
Uncited documents	2014	29
Uncited documents	2015	21
Uncited documents	2016	2
Uncited documents	2017	5
Uncited documents	2018	14
Uncited documents	2019	30
Uncited documents	2020	25
Uncited documents	2021	25
Uncited documents	2022	24
Uncited documents	2023	20
Cited documents	2006	0
Cited documents	2007	4
Cited documents	2008	12
Cited documents	2009	24
Cited documents	2010	28
Cited documents	2011	16
Cited documents	2012	17
Cited documents	2013	14
Cited documents	2014	14
Cited documents	2015	4
Cited documents	2016	2
Cited documents	2017	1
Cited documents	2018	3
Cited documents	2019	7
Cited documents	2020	15
Cited documents	2021	14
Cited documents	2022	19
Cited documents	2023	23

% Female Authors

Evolution of the percentage of female authors.

Year	Female Percent
2006	20.31
2007	18.33
2008	13.64
2009	34.48
2010	33.33
2011	23.40
2012	36.84
2013	27.27
2014	0.00
2015	0.00
2016	9.09
2017	40.00
2018	27.03
2019	12.00
2020	33.33
2021	65.96
2022	34.38
2023	22.22

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	2006	1
Overton	2007	0
Overton	2008	0
Overton	2009	0
Overton	2010	0
Overton	2011	0
Overton	2012	0
Overton	2013	0
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