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This article clarifies the common confusion between relation algebra and relational algebra, explaining their distinct origins, applications in computer science and formal methods, and highlights a recent paper on the Prela query language based on relation algebra.
This paper studies the complexity of answering two-way (conjunctive) regular path queries over knowledge bases with linear and guarded existential rules, establishing completeness results for data and combined complexity.
Introduces Agentic Transaction Processing (ATP) for validating and repairing AI-generated workflows, treating generated actions as untrusted proposals until verified against a constraint set. The system Mnemosyne provides safety guarantees with low overhead.