FOIKS 2026: FOIKS 2026 (14TH INTERNATIONAL SYMPOSIUM ON FOUNDATIONS OF INFORMATION AND KNOWLEDGE SYSTEMS)
PROGRAM

Days: Monday, March 23rd Tuesday, March 24th Wednesday, March 25th Thursday, March 26th

Monday, March 23rd

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10:30-11:00Coffee Break
11:00-12:30 Session 3: Argumentation Frameworks
11:00
Simplifying Argumentation Frameworks by Clustering Structural Patterns (abstract)
11:45
Utilizing Binary Decision Diagrams for Compiling Argumentation Frameworks (abstract)
12:30-14:00Lunch Break
14:00-15:30 Session 4: Foundations
14:00
From FPT Decision to FPT Enumeration (abstract)
14:45
Revisiting the fluted and forward fragments with guards (abstract)
15:30-16:00Coffee Break
16:00-17:45 Session 5: Team Semantics
16:00
Complexity Results in Team Semantics: Nonemptiness Is Not So Complex (abstract)
PRESENTER: Aleksi Anttila
16:30
Two strong undefinability results in inquisitive and team semantics (abstract)
17:00
Implication Problems over Positive Semirings (abstract)
Tuesday, March 24th

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10:30-11:00Coffee Break
11:00-12:30 Session 7: Database Theory
11:00
Short and Simple Explanations for Datalog Derivations (abstract)
11:45
Analyzing the behavior of database applications through size descriptions (abstract)
PRESENTER: Emmanuel Waller
12:30-14:00Lunch Break
14:00-15:30 Session 8: Posters: Lighting Talks
14:00
Axiomatizing variants of approximate inclusion (abstract)
14:13
On Translating Epistemic Operators in a Logic of Awareness (abstract)
14:26
Intermediate Knowledge Problem (abstract)
14:39
SMT Algorithm Selection with High-Level Natural-Language Descriptions (abstract)
PRESENTER: Florin Manea
14:52
Towards a VLM-based Foundation for Generalised Neurosymbolic Visual Commonsense (abstract)
15:05
Planning and Temporal Planning by Qualitative Temporal Reasoning (abstract)
15:18
Towards Neuro-Symbolic Classification of Abrasive Wear in Scanning Electron Microscopy (abstract)
15:30-16:00Coffee Break
Wednesday, March 25th

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10:30-11:00Coffee Break
11:00-12:30 Session 12: Incomplete Information
11:00
Extending Similarity Measures for Incomplete Database Instances with Locality-Sensitive Hashing (abstract)
PRESENTER: Lena Wiese
11:45
Independence Under Incomplete Information (abstract)
PRESENTER: Minna Hirvonen
12:30-14:00Lunch Break
14:00-15:15 Session 13: Modal Logic
14:00
A Modal Logic for Possibilistic Reasoning with Fuzzy Formal Contexts (abstract)
PRESENTER: Churn-Jung Liau
14:45
When Symmetry Yields NP-Hardness: Affine ML-SAT on S5 Frames (abstract)
PRESENTER: Arne Meier
Thursday, March 26th

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09:30-10:30 Session 14: Invited Speaker
09:30
Semiring Provenance for Ontology-Based Data Access (abstract)
10:30-11:00Coffee Break
11:00-12:30 Session 15: Explainability
11:00
Causality-Based Scores Alignment in Explainable Data Management (abstract)
PRESENTER: Felipe Azua
11:45
An Order-Theoretic View on Optimal Repairs and Complete Sets of Unifiers (abstract)
12:30-14:00Lunch Break
14:00-15:45 Session 16: Belief bases and revision
14:00
Abductive Expansion for Belief Bases (abstract)
14:30
Mutual Irreducibility of Revision and Multiple Revision (abstract)
PRESENTER: Kai Sauerwald
15:00
Conditional Constraint and Solution Splittings of Belief Bases in the Context of c-Representations (abstract)