Applications -- Train scheduling with hybrid ASP -- Telco Network Inventory Validation with NoHR -- An ASP-based Framework for the Manipulation of Articulated Objects using Dual-arm Robots -- C-ASP: Continuous ASP-based Reasoning over RDF Streams -- Internet Routing and Non-Monotonic Reasoning -- Argumentation -- Assessing arguments with schemes and fallacies -- Simple Contrapositive Assumption-Based Frameworks -- Argumentation-based Explanations for Answer Sets using ADF -- Foundations and Complexity -- Treewidth and Counting Projected Answer Sets -- Splitting Epistemic Logic Programs -- Founded World Views with Autoepistemic Equilibrium Logic -- Towards Dynamic Answer Set Programming over finite traces -- A Sequent-Type Calculus for Three-Valued Default Logic, or: Tweety Meets Quartum Non Datur -- Knowledge Representation and Reasoning -- Diagnosing Data Pipeline Failures Using Action Languages -- Repair-Based Degrees of Database Inconsistency -- Elect: An Inconsistency Handling Approach for Partially Preordered Lightweight Ontologies -- Elaboration Tolerant Representation of Markov Decision Process via Decision-Theoretic Extension of Action Language pBC+ -- Systems -- Evaluation of disjunctive programs in WASP -- telinge = ASP + Time -- Verifying Strong Equivalence of Programs in the Input Language of GRINGO -- The return of XORRO -- Degrees of Laziness in Grounding: Effects of Lazy-Grounding Strategies on ASP Solving -- Enhancing DLV for Large-Scale Reasoning -- Pruning External Minimality Checking for ASP Using Semantic Dependencies -- Declarative local search for predicate logic.