Full Papers -- Finding New Diamonds: Temporal Minimal-World Query Answering over Sparse ABoxes -- Reasoning on DL-Liteℛ with Defeasibility in ASP -- ODRL policy modelling and compliance checking -- Aligning, Interoperating, and Co-executing Air Traffic Control Rules Across PSOA RuleML and IDP -- An ASP-based Solution for Operating Room Scheduling with Beds Management -- EASE: Enabling Hardware Assertion Synthesis from English -- Formalizing Object-ontological Mapping Using F-logic -- Alternating Fixpoint Operator for Hybrid MKNF Knowledge Bases as an Approximator of AFT -- Efficient TBox Reasoning with Value Restrictions—Introducing the ℱℒower Reasoner -- Query Rewriting for DL Ontologies under the ICAR semantics -- Technical Communication Papers -- Complementing Logical Reasoning with Sub-Symbolic Commonsense -- Adding Constraint Tables to the DMN Standard: Preliminary Results -- Detecting "Slippery Slope" and other argumentative stances of opposition using Tree Kernels in monologic discourse -- Fuzzy Logic Programming for Tuning Neural Networks -- Querying Key-Value Stores Under Single-Key Constraints: Rewriting and Parallelization.