Artificial intelligence By Ren
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DyMAB Improves Multi‑Agent Pathfinding via Adaptive Bandits
Researchers introduce DyMAB, a dynamic multi‑armed bandit algorithm that enhances ALNS-based MAPF solvers by adapting neighborhood selection over time.
Read storyNew Complexity Bounds for Ontology‑Mediated Path Queries
Researchers show linear existential rules keep path query answering in NL data complexity while guarded rules push it to 2ExpTime combined complexity.
Read storyNeuro‑Symbolic AI Susceptible to Reasoning Shortcuts
A new study warns that neuro‑symbolic models can reach high accuracy by misgrounding concepts, compromising trustworthiness.
Read storyHybrid Symbolic-Neural AI Survey Clarifies Explainability Gap
JAIR’s July 27 2026 survey reviews symbolic XAI in deep neural nets, mapping hybrid methods and noting evaluation limitations.
Read storyLLM‑Generated Data Outperforms Human Experiments in Persuasion Games
A new JAIR study finds that synthetic datasets produced by large language models enable neural predictors to forecast human behavior in strategic persuasion games more accurately than when trained on actual experimental data.
Read storyGEPR Model Boosts Personalized Education Recommendations with Group Knowledge
A new reinforcement‑learning based recommender called GEPR uses group knowledge to improve resource suggestions in online learning platforms.
Read storyExtension‑Ranking Semantics Refine Argument Evaluation
Researchers present a framework that ranks sets of abstract arguments based on plausibility, extending Dung's 1995 semantics.
Read storyAutomatic Reward Generation via Signal Temporal Logic
Researchers propose generating reinforcement‑learning rewards directly from formal specifications using a new quantitative semantics of STL.
Read storySTL‑Based Rewards Improve Model‑Free RL
Singh and Saha demonstrate how Signal Temporal Logic specifications can be turned into reward functions for reinforcement learning agents.
Read storyLLMs Automate SAT Solver Heuristics in New AutoSAT Framework
Researchers use large language models to automatically craft better heuristics for SAT solvers.
Read storyFlow‑Based Generative Models Boost Hierarchical RL Training
A new hierarchical reinforcement learning framework uses flow‑based generative models for direct off‑policy correction, improving data efficiency and convergence speed.
Read storyData-Driven SVD Compresses Networks To Under Three Times Their Size
Researchers show a data-guided SVD approach can shrink deep neural networks to under three times their original size without fine‑tuning, preserving performance.
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