University, Subject, Country, Region, World
Hong Kong Polytechnic University 545 Scientists Subject Rankings - 2025
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 years. As of Jan 30, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H IndexRankings
Ranking Based On Selection: 1
Metrics
H-Index
i10 Index
Citation Counts
101
653
46,841
* Total H IndexRankings
Ranking Based On Selection: 2
Enclosed environment
Energy-efficient buildings
Metrics
H-Index
i10 Index
Citation Counts
91
294
30,155
* Total H IndexRankings
Ranking Based On Selection: 3
smart buildings
building energy efficiency
air-conditioning
optimal control
energy flexibility
Metrics
H-Index
i10 Index
Citation Counts
88
290
24,561
* Total H IndexRankings
Ranking Based On Selection: 4
Indoor environmental quality
Thermal comfort
Thermal energy storage
HVAC
Urban microclimate
Metrics
H-Index
i10 Index
Citation Counts
73
197
16,636
* Total H IndexRankings
Ranking Based On Selection: 5
fibre-optics
molecular spectroscopy
optical sensors/devices
hollow-core photonic crystal fibres
Metrics
H-Index
i10 Index
Citation Counts
69
306
17,601
* Total H IndexRankings
Ranking Based On Selection: 6
Biometrics
Iris
Hand
Vascular
Industrial Inspection
Metrics
H-Index
i10 Index
Citation Counts
66
156
16,327
* Total H IndexRankings
Ranking Based On Selection: 7
Metrics
H-Index
i10 Index
Citation Counts
62
239
13,034
* Total H IndexRankings
Ranking Based On Selection: 8
InSAR
GNSS
Geohazards
Metrics
H-Index
i10 Index
Citation Counts
62
285
13,453
* Total H IndexRankings
Ranking Based On Selection: 9
Behavioral Neuroscience
Metrics
H-Index
i10 Index
Citation Counts
60
144
16,062
* Total H IndexRankings
Ranking Based On Selection: 10
Antioxidants
Oxidative Stress
DNA Damage and Repair
Metrics
H-Index
i10 Index
Citation Counts
55
106
47,738
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* Total H IndexRankings
Ranking Based On Selection: 11
Nonlinear optimization
Nonsmooth optimization
Vector optimization
Metrics
H-Index
i10 Index
Citation Counts
55
203
10,805
* Total H IndexRankings
Ranking Based On Selection: 12
Metrics
H-Index
i10 Index
Citation Counts
53
227
10,284
* Total H IndexRankings
Ranking Based On Selection: 13
violence
abuse
aggression
culture
Metrics
H-Index
i10 Index
Citation Counts
52
145
10,845
* Total H IndexRankings
Ranking Based On Selection: 14
swimming
Metrics
H-Index
i10 Index
Citation Counts
50
236
10,914
* Total H IndexRankings
Ranking Based On Selection: 15
Metrics
H-Index
i10 Index
Citation Counts
49
109
9,615
* Total H IndexRankings
Ranking Based On Selection: 16
Metrics
H-Index
i10 Index
Citation Counts
49
133
7,399
* Total H IndexRankings
Ranking Based On Selection: 17
Metrics
H-Index
i10 Index
Citation Counts
48
178
10,459
* Total H IndexRankings
Ranking Based On Selection: 18
Metrics
H-Index
i10 Index
Citation Counts
48
88
36,872
* Total H IndexRankings
Ranking Based On Selection: 19
calcium rechargeable battery
Metrics
H-Index
i10 Index
Citation Counts
45
65
6,569
* Total H IndexRankings
Ranking Based On Selection: 20
Integrated photonic devices
fiber-optical devices and subsystems
optical sensors
optical
Metrics
H-Index
i10 Index
Citation Counts
44
212
10,018
* Total H IndexRankings
Ranking Based On Selection: 21
Metrics
H-Index
i10 Index
Citation Counts
42
111
7,075
* Total H IndexRankings
Ranking Based On Selection: 22
GNSS
Navigation
Positioning
Autonomous Driving
Indoor Positioning and Navigation
Metrics
H-Index
i10 Index
Citation Counts
41
118
6,301
* Total H IndexRankings
Ranking Based On Selection: 23
pain management
diabetes
balance
Metrics
H-Index
i10 Index
Citation Counts
41
72
5,094
* Total H IndexRankings
Ranking Based On Selection: 24
GNSS
Surveying
Indoor positioning
Ionospheric Scintillation
Integrity
Metrics
H-Index
i10 Index
Citation Counts
40
155
6,102
* Total H IndexRankings
Ranking Based On Selection: 25
myopia
Metrics
H-Index
i10 Index
Citation Counts
38
66
6,278
Wai Yeung Wong
Metrics
H-Index
i10-Index
Citation Counts
101
653
46,841
Qingyan Chen
Metrics
H-Index
i10-Index
Citation Counts
91
294
30,155
Shengwei Wang
Metrics
H-Index
i10-Index
Citation Counts
88
290
24,561
smart buildings
building energy efficiency
air-conditioning
optimal control
energy flexibility
Jianlei Niu
Metrics
H-Index
i10-Index
Citation Counts
73
197
16,636
Indoor environmental quality
Thermal comfort
Thermal energy storage
HVAC
Urban microclimate
Wei Jin
Metrics
H-Index
i10-Index
Citation Counts
69
306
17,601
fibre-optics
molecular spectroscopy
optical sensors/devices
hollow-core photonic crystal fibres
Ajay Kumar
Metrics
H-Index
i10-Index
Citation Counts
66
156
16,327
MW Fu
Metrics
H-Index
i10-Index
Citation Counts
62
239
13,034
Xiaoli Ding
Metrics
H-Index
i10-Index
Citation Counts
62
285
13,453
Benjamin K Yee
Metrics
H-Index
i10-Index
Citation Counts
60
144
16,062
Iris Benzie
Metrics
H-Index
i10-Index
Citation Counts
55
106
47,738
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Xiaoqi Yang
Metrics
H-Index
i10-Index
Citation Counts
55
203
10,805
Nonlinear optimization
Nonsmooth optimization
Vector optimization
To Suet
Metrics
H-Index
i10-Index
Citation Counts
53
227
10,284
Ko Ling Chan
Metrics
H-Index
i10-Index
Citation Counts
52
145
10,845
Wan Chi Siu
Metrics
H-Index
i10-Index
Citation Counts
50
236
10,914
Patrick Ti Lam
Metrics
H-Index
i10-Index
Citation Counts
49
109
9,615
Kwok Kin Wing
Metrics
H-Index
i10-Index
Citation Counts
49
133
7,399
Pka Wai
Metrics
H-Index
i10-Index
Citation Counts
48
178
10,459
James Arvid Ohlson
Metrics
H-Index
i10-Index
Citation Counts
48
88
36,872
Zheng Long Xu
Metrics
H-Index
i10-Index
Citation Counts
45
65
6,569
Changyuan Yu
Metrics
H-Index
i10-Index
Citation Counts
44
212
10,018
Integrated photonic devices
fiber-optical devices and subsystems
optical sensors
optical
CW Dennis Leung
Metrics
H-Index
i10-Index
Citation Counts
42
111
7,075
Li Ta Hsu
Metrics
H-Index
i10-Index
Citation Counts
41
118
6,301
GNSS
Navigation
Positioning
Autonomous Driving
Indoor Positioning and Navigation
Gladys Cheing
Metrics
H-Index
i10-Index
Citation Counts
41
72
5,094
Wu Chen
Metrics
H-Index
i10-Index
Citation Counts
40
155
6,102
GNSS
Surveying
Indoor positioning
Ionospheric Scintillation
Integrity
Carly Sy Lam
Metrics
H-Index
i10-Index
Citation Counts
38
66
6,278