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 Jan 06, 2026, 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 (1.131.911) 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
Engineering Optimization | Evolutionary Algorithm | Metaheuristics | Swarm Intelligenc
H-Index Metrics
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H-Index50
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i10 Index153
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Citation Counts9,746
Rankings
Rankings
Carbon Capture Storage | Petroleum Engineering | Drilling Fluids | CDR | EO
H-Index Metrics
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H-Index25
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i10 Index36
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Citation Counts1,910
Rankings
Digital customer experience | FinTech | Brand Management | Service Marketing | E-touris
H-Index Metrics
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H-Index24
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i10 Index44
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Citation Counts1,750
Rankings
Strategic Management | Marketing Management | Brand Management
H-Index Metrics
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H-Index23
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i10 Index33
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Citation Counts1,523
Rankings
Maintenance Management | Research-Practice Impact | Business/Health Management | Indonesi
H-Index Metrics
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H-Index21
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i10 Index26
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Citation Counts1,254
Rankings
Energy economics | digital finance | sustainable financ
H-Index Metrics
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H-Index18
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i10 Index22
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Citation Counts1,315
Rankings
Energy Economics | Environmental Economics | Econometrics | Tourism | Financial market
H-Index Metrics
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H-Index15
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i10 Index21
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Citation Counts1,166
Rankings
Rankings
Global Navigation Satellite Systems | Mobile Communications | Automation and Robotics | Electronic
H-Index Metrics
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H-Index12
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i10 Index14
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Citation Counts3,926
Rankings
Language typology | language documentation | Kurdish linguistic
H-Index Metrics
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H-Index12
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i10 Index14
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Citation Counts595
Rankings
Natural Language Processing | Computational Linguistics | Machine Learnin
H-Index Metrics
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H-Index11
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i10 Index13
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Citation Counts363
Rankings
Information System | Irrigation Management | Governance | Hydrology | Optimizatio
H-Index Metrics
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H-Index10
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i10 Index10
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Citation Counts544
Rankings
Rankings
Rankings
Rankings
Real Time embedded Systems | Digital Signal Processing (biomedical signal processing) | Syste
H-Index Metrics
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H-Index8
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i10 Index7
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Citation Counts429
Rankings
Rankings
Second Language Motivation | Applied Linguistics | Motivational Psychology | Second Language Acquisition | Motivatio
H-Index Metrics
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H-Index7
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i10 Index7
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Citation Counts796
Rankings
Rankings
Optimal Control | Fractional Optimal Control | Time-delay Optimal Control | Numerical Method
H-Index Metrics
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H-Index7
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i10 Index6
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Citation Counts142
Rankings
Environmental Chemistry | Mineral Exploration | Material Chemistry | Carbon capture and Storage. Petroleum Engineering. Chemical E
H-Index Metrics
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H-Index7
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i10 Index7
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Citation Counts844
Rankings
Rankings
Rankings
Obstetrics | Gynaecology | Infertility | GyaneOncology | Minimal access surger
H-Index Metrics
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H-Index7
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i10 Index3
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Citation Counts294
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