Author

R. B. Thapa

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Preprint Aug 2026

Causal Explanations for Stratified Datalog

Rule-based reasoning with exceptions requires causal explanations that account for both present and absent facts. For positive Datalog, monotonicity allows minimal supports to determine deletion causality. Stratified negation removes that property because inserting or deleting a fact may create or destroy an answer. We...

R. B. Thapa, Steffen Staab · 0 citations

Jul 2026

Identifiability of Relational Queries in Multi-View Pretraining

This work formalizes query identifiability for data integration under interface laws (functional dependencies that hold uniformly across all legal worlds rather than within a single instance) and proves three results.

R. B. Thapa, Daniel Hernández · arXiv.org · 0 citations