Ivan Bratko

Ivan Bratko is a Full Professor at the Faculty of Computer and Information Science, University of Ljubljana, and has held leadership roles including Head of AI Lab (1986–present) and former Head of AI Department at Jožef Stefan Institute (1996–2004). His career spans over four decades, with research contributions in machine learning, qualitative modeling, and artificial intelligence applications.

• Developed the KARDIO expert system for cardiac arrhythmia diagnosis using deep qualitative knowledge
• Innovated ABML (Argument-Based Machine Learning) for faster, interpretable learning with expert annotations
• Created Q² learning methods that integrate qualitative constraints with quantitative prediction
• Contributed to minimax search analysis and decision tree pruning algorithms

His work has earned prestigious awards, including the Zois award (2007) and Fellow of ECCAI (2000). He continues part-time research at Jožef Stefan Institute (since 1975) and authored influential textbooks like Prolog Programming for Artificial Intelligence.