Inductive Confidence Machines for Regression. - Harris Papadopoulos; Kostas Proedrou; Volodya Vovk; Alex Gammerman (ECML, 2002)

Transductive Confidence Machines for Pattern Recognition. - Kostas Proedrou; Ilia Nouretdinov; Volodya Vovk; Alex Gammerman (ECML, 2002)

Rigorous measures of confidence for pattern recognition and regression. - Konstantinos Proedrou (2004)