💻 computer science

Dual Soft-Adaptive Aggregation for Long-Context LLMs_ Mitigating Sequence-and-Depth Information Dilution

This paper proposes a unified soft-adaptive aggregation framework that mitigates sequence and depth information dilution in long-context LLMs by introducing Soft-ChunkAttn for differentiable semantic chunking and Virtual Dynamic Block-AttnRes for input-adaptive layer merging, all while preserving the original computation graph for efficient GPU deployment.

Minzhe Liu2026-08-25
💻 computer science

A Hierarchical Opponent-Modeling,World-Model, and Risk-Adaptive Planning Framework for Fair Adaptive Character Intelligence in Soulsl ike and AAACombat

This paper introduces EIDOLON-RL, a hybrid hierarchical reinforcement learning framework that integrates opponent modeling, world modeling, and risk-adaptive planning to generate fair, legible, and computationally efficient AI characters for AAA action games by mathematically enforcing production constraints like animation validity and intentional imperfection rather than treating them as post-hoc engineering fixes.

Jayachandiran Udayakumar2026-08-25
💻 computer science

Deep Learning for Anomaly Detection in Dynamic Graphs: A Verified Taxonomy, Survey, and Unified Benchmark

This paper establishes a verified taxonomy and unified benchmark for deep learning-based anomaly detection in dynamic graphs, revealing that simple degree-based heuristics often outperform complex deep models on synthetic benchmarks while failing on real-world data, and exposing critical flaws in current evaluation practices and published implementations.

Iyad Assaad NEKKA, Hamida Seba, Walid Khaled Hidouci, Karima Amrouche2026-08-25
💻 computer science

Dual Spatial-Temporal Shapley Attribution for Explainable Anomaly Detection in Dynamic Social Graphs

This paper introduces a post-hoc explainability framework that enhances the high-performing TADDY anomaly detector for dynamic social graphs by generating dual spatial and temporal Shapley attributions to identify influential neighbors and historical snapshots, achieving high fidelity and sufficiency metrics without compromising detection accuracy.

Iyad Assaad NEKKA, Hamida seba, Walid Khaled Hidouci, Karima Amrouche2026-08-25
💻 computer science

Exact Deviation Attribution and Amortised Event Explanation for Semi-Supervised Anomaly Detection on Dynamic Graphs

This paper introduces a framework for semi-supervised anomaly detection on dynamic graphs that provides exact, closed-form deviation attribution and learns an amortised event mask to explain decisions with zero impact on detection performance, while revealing that alerts often stem equally from individual node behavior and population baseline shifts.

Iyad Assaad NEKKA, Walid Khaled Hidouci, Karima Amrouche2026-08-25