10 papers accepted at the 34^th AAAI Conference on Artificial Intelligence 2020

• Jan Maly (TU Wien). Lifting Preferences over Alternatives to Preferences over Sets of Alternatives: The Complexity of Recognizing Desirable Families of Sets
• Felix Winter (TU Wien), Nysret Musliu (TU Vienna); Peter Stuckey (Monash University). Explaining Propagators for String Edit Distance Constraints
• Sanja Lukumbuzya (Vienna University of Technology); Magdalena Ortiz (TU Wien, Austria); Mantas Simkus (TU Vienna). Resilient Logic Programs: Answer Set Programs Challenged by Ontologies
• Adrian Haret (TU Wien); Martin Lackner (TU WIen); Andreas Pfandler (University of Siegen); Johannes Peter Wallner (Vienna University of Technology). Proportional Belief Merging
• Markus Hecher (TU Wien); Michael Morak (University of Klagenfurt); Stefan Woltran (TU Wien). Structural Decompositions of Epistemic Logic Programs
• Eduard Eiben (Royal Holloway, University of London); Robert Ganian (TU Wien); Thekla Hamm (TU Wien); Sebastian Ordyniak (University of Sheffield). Parameterized Complexity of Envy-­Free Resource Allocation in Social Networks
• Robert Ganian (TU Wien); Iyad Kanj (DePaul University, Chicago); Sebastian Ordyniak (University of Sheffield); Stefan Szeider (TU Wien). On the Parameterized Complexity of Clustering Incomplete Data into Subspaces of Small Rank
• Robert Ganian (TU Wien); Thekla Hamm (TU Wien); Topi Talvitie (University of Helsinki). An Efficient Algorithm for Counting Markov Equivalent DAGs
• Martin Lackner (TU Wien). Perpetual Voting: Fairness in Long-­Term Decision Making
• Medina Andresel (TU Wien); Magdalena Ortiz (TU Wien, Austria); Mantas Simkus (TU Vienna). Query Rewriting for Ontology-­‐mediated Conditional Answers