Geopolitical Sentiment as a Leading Indicator: A Hybrid Analytics Approach to Forecasting Oil Volatility and Emerging Market Vulnerability (2015–2025). Journal of Cognition and Artificial Intelligence, [S. l.], v. 1, n. 1, p. 6–12, 2025. Disponível em: https://jccair.org/index.php/jcai/article/view/3. Acesso em: 5 feb. 2026.