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artificial intelligence

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#artificial intelligence Preprint Sep 2026

Engineering Simplicity: Simple Mechanism Interfaces Steer LLM Agents

The findings suggest that human-motivated theories of simplicity can inform the design of decision environments for artificial agents and show why scaffolds should be evaluated through realized choices as well as explanations: improvements in one need not appear in the other.

Ke-Hang Zhu, Anand Shah, David C. Parkes · 0 citations
#artificial intelligence Preprint Sep 2026

Better Nearest Neighbor Graph Indices via (Efficient) LLM-Guided Pruning

LLM-Guided Graph Pruning (LGP), a general framework that addresses this mismatch directly by leveraging LLM reasoning to refine an existing ANN graph index itself, and consistently improves end-to-end retrieval performance over both vanilla greedy graph search and LLM-based reranking across widely used graph-based ANN...

Fangzhou Wu, Hai-Ke Xu, Sandeep Silwal · 0 citations
#artificial intelligence Preprint Sep 2026

HyperZip: Efficient Data Compression through Personalized Diffusion LLMs with Hypernetworks

This work proposes HyperZip, an efficient and scalable LLM-based compression framework that leverages diffusion-based LLMs (dLLMs) with Multi-Token Prediction (MTP) to accelerate LLM-based data compression processes and identifies a trade-off in diffusion-based compression.

T. Nguyen, Khang Tran, Nhathai Phan · 0 citations
#artificial intelligence Preprint Sep 2026

ThuRunel: Dynamic Decoupling for Structured Advisory Dialogue

High-stakes advisory domains such as medical aesthetics, legal consultation, and educational planning exhibit a two-phase structure. The early phase requires empathetic elicitation and emotional support, and the late phase requires authoritative specialist judgment. Neither fully automated agents nor human junior consu...

Yu-Yan Chen · 0 citations
#artificial intelligence Preprint Sep 2026

PILLAR: Private Inverted-Index Lexical Lookup for Augmented Retrieval

PILLAR is a Privacy-Preserving RAG system based on Private Information Retrieval (PIR) in which a client utilizes the k documents most similar to their query from a server-held and publicly known corpus to respond to their query, while the server learns nothing about the query, either its terms or its access pattern.

Truong Son Nguyen, D. Blackley, Ni Trieu et al. · 0 citations
#artificial intelligence Review Sep 2026

Towards an AI Software Factory for Data Systems

The progress towards building an AI SW Factory that accelerates all the stages of SDLC-Targeting, Coding, Reviewing, and Ops is discussed and a metadata exhaust is produced that enables self-improvement by fine-tuning model weights and updating the authors' World Model (a rich data substrate).

Anna Pavlenko, Bogdan Crivat, Brandon Haynes et al. · 0 citations
#artificial intelligence Preprint Sep 2026

StateTape: Action-Conditioned Evidence Lifecycle Modeling for Long-Horizon Coding Agents

A novel and scalable framework that rewrites a coding agent's context as the repository changes rather than as the context grows, and can achieve a higher resolve rate in all experiments spanned by six coding agents and three edit-heavy benchmarks with little computational overhead.

Zi-Yang Yu, Liang Zhao, Bo-Wen Zhu et al. · 0 citations
#artificial intelligence Preprint Open access Sep 2026

CheatBench: Measuring Reward Gaming in AI Agents

Reinforcement learning has helped AI agents solve increasingly difficult tasks, but high rewards do not always reflect the work users intended. In recent incidents and controlled evaluations across the AI industry, agents trained to maximize reward have accessed unauthorized information, attempted to evade monitoring s...

Long Phan, Stephen K. Yang, Jason J. Lim et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Illusory Truth or Mere Exposure? Model-Dependent Repetition Effects in LLM-Based Social Media Simulations

Generative agent-based models (GABMs) are increasingly used to simulate social media dynamics, including misinformation spread. For such social simulations to be valid proxies of human behavior, LLM agents should replicate established human cognitive biases, among them the Illusory Truth Effect (ITE), where repeated ex...

Azza Bouleimen, Nicolò Pagan, Anikó Hannák · 0 citations
#artificial intelligence Preprint Sep 2026

From Surfaces to Volumes: Registered Geometry for Protein Representation Learning

Existing protein geometry models typically represent molecular surfaces using local geometric features such as sampled points, normals, and curvature. While effective for capturing exposed molecular shape, these representations do not explicitly model the volumetric organization beneath the surface or provide a consist...

Si-Yuan Chen, Cai Zhou, Jin-Rui Zhang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

OTROPE: Optimal Transport-based Robust Off-policy Evaluation for Large Language Models

The Optimal Transport-based Robust Off-Policy Evaluation (OTROPE) is proposed, a likelihood-free evaluation that performs distributional correction in a semantic space via optimal transport to align labeled behavior-policy samples with unlabeled target-policy samples, yielding a doubly robust-style evaluation.

Lin-Er Xiang, Wen-Bo Zhang, Heng-Rui Cai · 0 citations
#artificial intelligence Preprint Sep 2026

Towards Mitigating Deceptive Safety Alignment in Large Reasoning Models

This work introduces DSAR (Deceptive Safety Alignment Rate), a metric that jointly assesses reasoning traces and final answers to quantify their safety inconsistency, and proposes SARA (Safety-Aware Reasoning Alignment), an RL-based method that rewards both safety-aware reasoning and safe final answers.

Xiang-Yu Zhou, S. Z. Zade, Rafi Ibn Sultan et al. · 0 citations

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MIT News · Artificial Intelligence Sep 29, 2026

Who we become when we talk to machines

Professor Sherry Turkle’s new book, “Artificial Intimacy,” offers a withering critique of chatbots and the antisocial dynamics she believes they encourage.

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