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517,985 subject pages: 4,516 OpenAlex topics and 513,469 Library of Congress subjects. Exact coverage and source dates · Numeric map and gap method
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Advanced Chemical Physics Studies
Innovation and Knowledge Management
Soil Carbon and Nitrogen Dynamics
Ecology and Vegetation Dynamics Studies
Job Satisfaction and Organizational Behavior
Monetary Policy and Economic Impact
Teacher Education and Leadership Studies
Dementia and Cognitive Impairment Research
Obesity, Physical Activity, Diet
Literature: history, themes, analysis
Genetic diversity and population structure
Asymmetric Synthesis and Catalysis
Plant Stress Responses and Tolerance
Genomics and Phylogenetic Studies
Adsorption and biosorption for pollutant removal
Geology and Paleoclimatology Research
Advancements in Battery Materials
Corporate Finance and Governance
Quantum Information and Cryptography
EFL/ESL Teaching and Learning
Semiconductor Quantum Structures and Devices
Schizophrenia research and treatment
TiO2 Photocatalysis and Solar Cells
Black Holes and Theoretical Physics
Galaxies: Formation, Evolution, Phenomena
Diabetes, Cardiovascular Risks, and Lipoproteins
Topic Modeling
Climate variability and models
Electrocatalysts for Energy Conversion
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