This book constitutes the refereed proceedings of the 7th International Joint Conference on Rules and Reasoning, RuleML+RR 2023, held in Oslo, Norway, during September 18–20, 2023. The 13 full papers and 3 short papers included in these proceedings were carefully reviewed and selected from 46 submissions.

Papers.- Extension of Regression Tsetlin Machine for Interpretable Uncertainty Assessment.- GUCON: A Generic Graph Pattern based Policy Framework for Usage Control Enforcement.- Combining Proofs for Description Logic and Concrete Domain Reasoning.- Notation3 as an Existential Rule Language.- Fine-tuning Large Enterprise Language Models via Ontological Reasoning.- Layerwise Learning of Mixed Conjunctive and Disjunctive Rule Sets.- Analyzing Termination for Prev-Aware Fragments of Communicating Datalog Programs.- Marrying Query Rewriting and Knowledge Graph Embeddings.- Lore: Educational Deductive Database System.- Comparing State of the Art Rule-Based Tools for Information Extraction.- A Case Study for Declarative Pattern Mining in Digital Forensics.- Semantic Role Assisted Natural Language Rule Formalization for Intelligent Vehicle.- FreeCHR: An Algebraic Framework for CHR-Embeddings.- Explaining the optimal trajectories.- Abstract Domains for Database Manipulating Processes.- Extracting Interpretable Hierarchical Rules from Deep Neural Networks’ Latent Space.