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 05, 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
Ancient ceramics | Petrology | Ophiolites | Geochemistry | Gemolog
H-Index Metrics
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H-Index18
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i10 Index36
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Citation Counts1,248
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Artificial intelligence applied in environmental protection | engineering and educatio
H-Index Metrics
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H-Index18
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i10 Index31
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Citation Counts1,006
Rankings
Artificial intelligence | Machine learning | IoT | Digital twin | Database
H-Index Metrics
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H-Index16
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i10 Index18
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Citation Counts367
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Food and non-food science | Consumer behavior | AI and IoT in economics | Industry 5.0 and 6.
H-Index Metrics
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H-Index13
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i10 Index21
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Citation Counts449
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Gas Transport | Gas Distribution | Numerical simulation in transport of hydrocarbon
H-Index Metrics
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H-Index10
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i10 Index10
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Citation Counts286
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geoscience | mineralogy | crystal structure | petroleum engineering | energy and environmen
H-Index Metrics
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H-Index9
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i10 Index7
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Citation Counts342
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Computer-aided modeling and simulation | advanced process contro
H-Index Metrics
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H-Index8
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i10 Index4
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Citation Counts144
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petroleum geology | petroleum geochemistry | source rock evaluation | elemental geochemistry | petroleum system modellin
H-Index Metrics
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H-Index6
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i10 Index2
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Citation Counts83
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Encryption algorithms for data security | discrete events systems analysis and simulatio
H-Index Metrics
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H-Index5
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i10 Index2
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Citation Counts122
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Measurement | Robots | Welding system | Automated system
H-Index Metrics
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H-Index3
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i10 Index1
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Citation Counts60
Rankings
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