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 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 (1.131.699) 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].
Rankings
sustainable tourism | hospitality marketing | consumer behavior | destination development
H-Index Metrics
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H-Index113
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i10 Index358
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Citation Counts54,675
Rankings
Environmental Sustainable Energy | Chemica
H-Index Metrics
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H-Index97
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i10 Index422
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Citation Counts35,516
Rankings
Rankings
Dissolved organic matter | natural organic matte
H-Index Metrics
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H-Index73
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i10 Index261
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Citation Counts17,531
Rankings
Data Mining | Multimedia | Surveillance | Machine Learning | Computer Visio
H-Index Metrics
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H-Index72
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i10 Index199
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Citation Counts19,272
Rankings
Rankings
Fluid Dynamics | Applied Mathematics | Nonlinear Dynamical flow | Neural Networks | Heat Transfe
H-Index Metrics
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H-Index69
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i10 Index326
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Citation Counts14,415
Rankings
Rankings
Rankings
Pollution remediation | Wastewater treatment | Renewable energy | Biomass conversion | Waste managemen
H-Index Metrics
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H-Index57
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i10 Index157
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Citation Counts13,423
Rankings
Rankings
food processing | cereal processing | food rheology | artificial intelligence | machine learnin
H-Index Metrics
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H-Index54
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i10 Index106
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Citation Counts7,967
Rankings
Perovskite solar cells | Inorganic-organic hybrid materials | Solar cells | Material synthesi
H-Index Metrics
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H-Index53
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i10 Index95
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Citation Counts13,480
Rankings
Rankings
Rankings
materials science | metallurgy | alloys | physical propertie
H-Index Metrics
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H-Index52
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i10 Index198
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Citation Counts9,776
Rankings
Rankings
Wireless Communications | Communication Theory | Quantum Information | Energy Harvesting | Optimizatio
H-Index Metrics
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H-Index50
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i10 Index133
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Citation Counts10,674
Rankings
Rankings
Rankings
Machine Learning | Data Science | Big Data | IoT | Security
H-Index Metrics
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H-Index48
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i10 Index116
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Citation Counts10,900
Rankings
Semiconductor | low dimensional material
H-Index Metrics
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H-Index48
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i10 Index169
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Citation Counts7,655
Rankings
Data Mining | Pattern Analysis | Data Analytics | Big Data Processing | Data Managemen
H-Index Metrics
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H-Index48
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i10 Index133
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Citation Counts6,762
Rankings
Sentiment Analysis | Text Mining | Ontology | Medical Informatics | AI and Deep Learnin
H-Index Metrics
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H-Index47
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i10 Index93
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Citation Counts7,922
Rankings
Applied AI | Digital Health | ML and Data Science | Inclusive AI | Internet of Thing
H-Index Metrics
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H-Index47
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i10 Index99
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Citation Counts15,153
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