Predicate Invention in ILP - an Overview. - Irene Stahl (ECML, 1993)

Two Methods for Improving Inductive Logic Programming Systems. - Irene Stahl; Birgit Tausend; Rüdiger Wirth (ECML, 1993)

On the Utility of Predicate Invention in Inductive Logic Programming. - Irene Stahl (ECML, 1994)

Properties of Inductive Logic Programming in Function-Free Horn Logic. - Irene Stahl (ECML, 1994)

Das Einführen neuer Prädikate in der induktiven logischen Programmierung. - Irene Stahl (1995)

Language Series Revisited: The Complexity of Hypothesis Spaces in ILP (Extended Abstract). - Irene Weber; Birgit Tausend; Irene Stahl (ECML, 1995)

The Appropriateness of Predicate Invention as Bias Shift Operation in ILP. - Irene Stahl (Mach. Learn., 1995)