A research center for advanced artificial intelligence in Brazil. Read more Research activities in the C4AI are organized around five Great Challenges: NLP2 Resources to Bring NLP of Portuguese to State-of-Art KEML Knowledge-Enhanced Machine Learning for Reasoning on Ocean Data AgriBio Causal Multicriteria Decision Making in Food Production Networks GOML Graph-Oriented Machine Learning for Stroke Diagnosis and Rehabilitation AI Humanity AI in Emerging Countries: Public Policies and the Future of Work A partnership of: