On the Semantics of "null" in DMN: Undefined is not Unknown. - Djordje Markovic; Simon Vandevelde; Joost Vennekens; Marc Denecker (RuleML+RR (Companion), 2022)

Towards Systematic Treatment of Partial Functions in Knowledge Representation. - Djordje Markovic; Maurice Bruynooghe; Marc Denecker (JELIA, 2023)

Solving "Greeting a Customer with Unknown Data" Challenge with Epistemic DMN. - Djordje Markovic; Marc Denecker (RuleML+RR (Companion), 2024)

An epistemic logic for modeling decisions in the context of incomplete knowledge. - Djordje Markovic; Simon Vandevelde; Linde Vanbesien; Joost Vennekens; Marc Denecker (SAC, 2024)

Order-Sorted Intensional Logic: Expressing Subtyping Polymorphism with Typing Assertions and Quantification over Concepts. - Dorde Markovic; Marc Denecker (ICLP, 2024)