Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Environmental Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
377
302
0.801
* Total i10 IndexRankings
Ranking Based On Selection :2
Terahertz Materials
Molecular sensors and neuromorphic memory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
166
0.798
* Total i10 IndexRankings
Ranking Based On Selection :3
Parallel and Distributed Computing
Wireless Networks
P2P Systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
40
0.301
* Total i10 IndexRankings
Ranking Based On Selection :4
Computational Intelligence
Educational Data Science
Learning Technology
AI in Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
101
0.789
* Total i10 IndexRankings
Ranking Based On Selection :5
Women's health
intimate partner violence
health literacy
health equity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
105
97
0.924
* Total i10 IndexRankings
Ranking Based On Selection :6
Ageing and Geriatrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
71
0.835
* Total i10 IndexRankings
Ranking Based On Selection :7
Sport Business
Sport Management
Sport Marketing
Sport Consumer Behavior
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
58
0.983
* Total i10 IndexRankings
Ranking Based On Selection :8
environmental studies
ecology and biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
8
0.136
* Total i10 IndexRankings
Ranking Based On Selection :9
Computational Linguistics
Corpus Linguistics
Computer-aided Translation
Technology-enhanced Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
44
0.863
* Total i10 IndexRankings
Ranking Based On Selection :10
Statistics
Statistical Process Control
Quality Control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
44
0.957
* Total i10 IndexRankings
Ranking Based On Selection :11
Open education
Online learning
Learning analytics
Language learning
Technology enhanced learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
37
0.822
* Total i10 IndexRankings
Ranking Based On Selection :12
technology in education
software engineering
system engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
19
0.432
* Total i10 IndexRankings
Ranking Based On Selection :13
Educational Technology
Online scheduling
Data stream algorithms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
24
0.571
* Total i10 IndexRankings
Ranking Based On Selection :14
English language education
teacher development
second language acquisition
vocabulary
e-learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
17
0.425
* Total i10 IndexRankings
Ranking Based On Selection :15
Embryo development
Cancer
MicroRNA
Disease biomarker
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
24
0.615
* Total i10 IndexRankings
Ranking Based On Selection :16
health behaviors
exercise
healthy aging
gerontology
palliative care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
25
0.714
* Total i10 IndexRankings
Ranking Based On Selection :17
audit fee
corporate governance
executive compensation
political connections
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
* Total i10 IndexRankings
Ranking Based On Selection :18
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
* Total i10 IndexRankings
Ranking Based On Selection :19
Chemistry
Environmental science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
20
0.645
* Total i10 IndexRankings
Ranking Based On Selection :20
Deep Learning
Image Processing
3D Geometry Processing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
* Total i10 IndexRankings
Ranking Based On Selection :21
elearning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
17
0.680
* Total i10 IndexRankings
Ranking Based On Selection :22
Environmental Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
* Total i10 IndexRankings
Ranking Based On Selection :23
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
* Total i10 IndexRankings
Ranking Based On Selection :24
Comparative politics
Asian politics
Singapore politics
Hong Kong politics
Chinese and Vietnamese politics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
* Total i10 IndexRankings
Ranking Based On Selection :25
Transport network modelling
travel time estimation
traffic flow theory
intelligent transport
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
15
0.625
Paul Ks Lam
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
377
302
0.801
Vellaisamy Al Roy
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
166
0.798
Terahertz Materials
Molecular sensors and neuromorphic memory
Ricky Yu-Kwong Kwok
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
40
0.301
Parallel and Distributed Computing
Wireless Networks
P2P Systems
Fu Lee Wang
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
101
0.789
Computational Intelligence
Educational Data Science
Learning Technology
AI in Education
Janet Wong Yuen-Ha
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
105
97
0.924
Women's health
intimate partner violence
health literacy
health equity
William Tsang
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
71
0.835
Weisheng Chiu|Bryan Chiu
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
58
0.983
Sport Business
Sport Management
Sport Marketing
Sport Consumer Behavior
KC Ho
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
8
0.136
environmental studies
ecology and biology
Billy Tm Wong
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
44
0.863
Computational Linguistics
Corpus Linguistics
Computer-aided Translation
Technology-enhanced Education
Tahir Mahmood
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
44
0.957
Statistics
Statistical Process Control
Quality Control
Kam Cheong Li
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
37
0.822
Open education
Online learning
Learning analytics
Language learning
Technology enhanced learning
Simon Ks Cheung
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
19
0.432
technology in education
software engineering
system engineering
Lap-Kei Lee
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
24
0.571
Educational Technology
Online scheduling
Data stream algorithms
Edsoulla Chung
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
17
0.425
English language education
teacher development
second language acquisition
vocabulary
e-learning
Ronald Tk Pang (彭鼎佳)
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
24
0.615
Embryo development
Cancer
MicroRNA
Disease biomarker
Linda Yin-King Lee
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
25
0.714
health behaviors
exercise
healthy aging
gerontology
palliative care
Ty Leung
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
audit fee
corporate governance
executive compensation
political connections
Wing Yin Mo
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
31
1.000
Crystal Han
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
20
0.645
Weiming Wang
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
19
0.731
Deep Learning
Image Processing
3D Geometry Processing
Reggie Kwan
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
17
0.680
Jian Lin Chen
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
Environmental Science
Grand H -L Cheng
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
Stephan Ortmann
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
Comparative politics
Asian politics
Singapore politics
Hong Kong politics
Chinese and Vietnamese politics
Julio Ho Hung Wai
Hong Kong Metropolitan University
Hong Kong, Hong Kong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
15
0.625
Transport network modelling
travel time estimation
traffic flow theory
intelligent transport