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The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 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 5 years. As of Dec 31, 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 (1.131.755) 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 Index Rankings
Rankings
87,312
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
DecentalizedAI RAG LLM | Data-sharing Industry4.0/5.0 | SemCom HoloCom | Maverse | D
DecentalizedAI RAG LLM | Data-sharing Industry4.0/5.0 | SemCom HoloCom | Maverse | D
H-Index Metrics
-
H-Index51
-
i10 Index117
-
Citation Counts7,985
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* Total H Index Rankings
Rankings
132,800
World Rank
6
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Petroleum Engineering
Petroleum system analysis | Basin Modeling | Petroleum Geochemistry | Petroleum Reservoir Rocks | Coa
Petroleum system analysis | Basin Modeling | Petroleum Geochemistry | Petroleum Reservoir Rocks | Coa
H-Index Metrics
-
H-Index43
-
i10 Index116
-
Citation Counts5,248
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* Total H Index Rankings
Rankings
228,312
World Rank
16
Country Rank
2
University
Ranking Based On Selection:
3
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Applied Physics | Nanoscience | Materials Scienc
Nanotechnology | Applied Physics | Nanoscience | Materials Scienc
H-Index Metrics
-
H-Index33
-
i10 Index77
-
Citation Counts2,926
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* Total H Index Rankings
Rankings
255,377
World Rank
19
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Computer Science
Computer Science- Artificial Intelligence | One of the top 2% in the worl
Computer Science- Artificial Intelligence | One of the top 2% in the worl
H-Index Metrics
-
H-Index31
-
i10 Index47
-
Citation Counts2,830
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* Total H Index Rankings
Rankings
304,411
World Rank
24
Country Rank
9
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
388,979
World Rank
33
Country Rank
5
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
410,148
World Rank
34
Country Rank
6
University
Ranking Based On Selection:
7
Engineering & Technology / Electrical & Electronic Engineering
Cybersecurity | IoT | Wireless sensor Network | Ad-hoc Networks | Mobile IP and Location Trackin
Cybersecurity | IoT | Wireless sensor Network | Ad-hoc Networks | Mobile IP and Location Trackin
H-Index Metrics
-
H-Index24
-
i10 Index43
-
Citation Counts1,781
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* Total H Index Rankings
Rankings
441,245
World Rank
41
Country Rank
1
University
Ranking Based On Selection:
8
Engineering & Technology / Electrical & Information Engineering
Communications Engineering and Information Securit
Communications Engineering and Information Securit
H-Index Metrics
-
H-Index22
-
i10 Index34
-
Citation Counts1,074
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* Total H Index Rankings
Rankings
449,620
World Rank
45
Country Rank
8
University
Ranking Based On Selection:
9
Engineering & Technology / Electrical & Electronic Engineering
Information Security | Internet of Things | Anomaly Detection | Applied Data Science | Machine Learnin
Information Security | Internet of Things | Anomaly Detection | Applied Data Science | Machine Learnin
H-Index Metrics
-
H-Index22
-
i10 Index35
-
Citation Counts1,991
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* Total H Index Rankings
Rankings
472,961
World Rank
48
Country Rank
1
University
Ranking Based On Selection:
10
Engineering & Technology / Computer Science
Big Data Analytics | Information Science and Management | Artificial Intelligence | Machine Learnin
Big Data Analytics | Information Science and Management | Artificial Intelligence | Machine Learnin
H-Index Metrics
-
H-Index21
-
i10 Index31
-
Citation Counts1,252
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* Total H Index Rankings
Rankings
477,066
World Rank
49
Country Rank
17
University
Ranking Based On Selection:
11
Engineering & Technology / Mechanical Engineering
Biomass and biofuels | Gasification | Steam gasification | CO2 gasification | Micro gas turbin
Biomass and biofuels | Gasification | Steam gasification | CO2 gasification | Micro gas turbin
H-Index Metrics
-
H-Index21
-
i10 Index29
-
Citation Counts1,344
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* Total H Index Rankings
Rankings
482,125
World Rank
50
Country Rank
2
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
524,988
World Rank
56
Country Rank
18
University
Ranking Based On Selection:
13
Engineering & Technology / Petroleum Engineering
Structural Geology and Tectonics | Remote Sensing and GIS | Environmental Geolog
Structural Geology and Tectonics | Remote Sensing and GIS | Environmental Geolog
H-Index Metrics
-
H-Index20
-
i10 Index24
-
Citation Counts1,424
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* Total H Index Rankings
Rankings
586,806
World Rank
60
Country Rank
9
University
Ranking Based On Selection:
14
Engineering & Technology / Computer Science
Artificial Intelligence | Computer Vision | Engineering & Technology | Software Engineerin
Artificial Intelligence | Computer Vision | Engineering & Technology | Software Engineerin
H-Index Metrics
-
H-Index18
-
i10 Index22
-
Citation Counts1,013
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* Total H Index Rankings
Rankings
606,842
World Rank
64
Country Rank
11
University
Ranking Based On Selection:
15
Engineering & Technology / Electrical & Information Engineering
Wireless Communications | Autonomous System | UAVs | Reconfigurable Intelligent Surface
Wireless Communications | Autonomous System | UAVs | Reconfigurable Intelligent Surface
H-Index Metrics
-
H-Index17
-
i10 Index28
-
Citation Counts1,849
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* Total H Index Rankings
Rankings
607,273
World Rank
65
Country Rank
1
University
Ranking Based On Selection:
16
Engineering & Technology / Civil Engineering
Structural Engineering | Progressive Collapse of RC Structure | Numerical Analysis of RC Structur
Structural Engineering | Progressive Collapse of RC Structure | Numerical Analysis of RC Structur
H-Index Metrics
-
H-Index17
-
i10 Index26
-
Citation Counts1,250
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* Total H Index Rankings
Rankings
628,991
World Rank
73
Country Rank
23
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
685,749
World Rank
87
Country Rank
3
University
Ranking Based On Selection:
18
Engineering & Technology / Computer Science
Information Retrieval | Text Summarization | Plagiarism Detection | Machine learning algorithms and Natural Language Processin
Information Retrieval | Text Summarization | Plagiarism Detection | Machine learning algorithms and Natural Language Processin
H-Index Metrics
-
H-Index16
-
i10 Index19
-
Citation Counts981
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* Total H Index Rankings
Rankings
692,206
World Rank
88
Country Rank
3
University
Ranking Based On Selection:
19
Engineering & Technology / Biomedical Engineering
Discrete mathematics | Graph theory | Fuzzy graph | Graph operations | Topological indice
Discrete mathematics | Graph theory | Fuzzy graph | Graph operations | Topological indice
H-Index Metrics
-
H-Index15
-
i10 Index24
-
Citation Counts658
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* Total H Index Rankings
Rankings
742,180
World Rank
102
Country Rank
17
University
Ranking Based On Selection:
20
Engineering & Technology / Computer Science
Computer Networks | Cybersecurity | Natural Language | Machine Learning | Expert System
Computer Networks | Cybersecurity | Natural Language | Machine Learning | Expert System
H-Index Metrics
-
H-Index14
-
i10 Index19
-
Citation Counts542
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Premium Data
* Total H Index Rankings
Rankings
751,000
World Rank
107
Country Rank
19
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
789,334
World Rank
115
Country Rank
21
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
812,802
World Rank
122
Country Rank
15
University
Ranking Based On Selection:
23
Engineering & Technology / Computer Science
Biomedical Signal Processing | Neuroengineering | Assistive Robotics and Machine Learnin
Biomedical Signal Processing | Neuroengineering | Assistive Robotics and Machine Learnin
H-Index Metrics
-
H-Index13
-
i10 Index15
-
Citation Counts786
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* Total H Index Rankings
Rankings
829,940
World Rank
129
Country Rank
25
University
Ranking Based On Selection:
24
Engineering & Technology / Computer Science
Computer Vision | Multimodal learning | Deep Learning | Video Understandin
Computer Vision | Multimodal learning | Deep Learning | Video Understandin
H-Index Metrics
-
H-Index13
-
i10 Index18
-
Citation Counts580
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* Total H Index Rankings
Rankings
840,123
World Rank
132
Country Rank
35
University
Ranking Based On Selection:
25
Engineering & Technology / Computer Science
Image Processing | Free Space Optical Communications | Solar Energy | Radio Frequency Radiatio
Image Processing | Free Space Optical Communications | Solar Energy | Radio Frequency Radiatio
H-Index Metrics
-
H-Index13
-
i10 Index15
-
Citation Counts716
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Premium Data
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