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artificial intelligence

19,710 papers

#artificial intelligence Preprint Open access Nov 2026

Time Will Tell: Harness Time to Denoise Collaborative Filtering

Neural graph collaborative filtering is a powerful tool for recommendation due to its superb capability of capturing the user-item interaction. Despite the substantial progress, the noisy nature of interaction data remains a significant challenge in collaborative filtering, especially for data collected from implicit f...

Xinyu He, Jose Sepulveda, Mostafa Rahmani et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

MuSID-KD: Multigranularity Knowledge Distillation for Generative Recommendation with Semantic IDs

Generative recommendation with semantic IDs (SIDs) represents each item as a sequence of discrete tokens and autoregressively predicts the next item's SID. Despite strong recommendation performance, repeated decoding over multiple SID positions incurs substantial inference cost. Knowledge distillation transfers knowled...

Fengshi Zhang, Xiyan Ding, Shuxiao Xie et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Logic Hijacking of RAG: Single-Document Poisoning via Local Optimization

Single-document corpus poisoning under black-box access poses a severe threat to Retrieval-Augmented Generation (RAG). However, existing attacks predominantly rely on explicit factual refutations or imperative instruction overrides. Modern aligned LLMs often arbitrate such conflicts conservatively, rejecting overt cont...

Hang-Yi Zhao, Bo-Nan Zhang, Fu-Sen Guo et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

LegoSR: A Unified Framework for Self-improving Agent-Guided Scientific Discovery

Equation discovery solvers often use different data interfaces, equation representations and evaluation criteria, making their results hard to compare. We present LegoSR, a unified framework for algebraic symbolic regression and differential equation discovery. LegoSR integrates seven solvers through a common equation...

Hao Mao, Xu T. Liu, Peng Zhao et al. · 0 citations
#artificial intelligence Preprint Oct 2026

AgentOrch: How Close Can Global Orchestration Come to Step-by-Step Interaction?

AgentOrch is introduced, a benchmark that directly compares global orchestration with step-by-step interaction on 650 enterprise SOPs and 3,220 runtime variants under matched tools, environments, and evaluation, and offers a promising path toward enterprise agents that deliver higher accuracy with fewer LLM calls.

Zi-Jie Liu, Qi-Yang Huang, Jinhao Duan et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

From Prediction to Action: Population Health World Model for Digital Medicine

Digital medicine now captures data that traces individual health trajectories and reveals population health dynamics through electronic health records, claims, remote monitoring, wearable devices, mobile devices, social sensing data, medical images, etc. But much of its modeling still centers on task-specific, outcome-...

Xike Xie, Yu Li, Weizhong Yang et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Self-Building Labs

Self-driving laboratories (SDLs) accelerate scientific discovery by automating experimental execution and optimization. AI agents can increasingly propose new experiments, but existing SDLs can only run the procedures they were built for. Adapting them to a new experiment still requires extensive manual engineering, wh...

Jiaru Bai, Yuchi Zhao, Han Hao et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

From Association to Causation: Improving Retrieval Precision of Retrieval-Augmented Generation via Causal Relations and an Attention Mechanism

Retrieval-Augmented Generation (RAG) grounds LLM generation on retrieved documents, but the standard terminal retrieval stage--dense-vector similarity, optionally followed by reranking--often returns documents that share keywords with the query without containing the needed information, a failure mode that grows with t...

Jing Liu, Yongxing Qi, Muchen Jiang et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Physics-Audited Agentic Discovery in Scientific Machine Learning

Agentic discovery can yield mechanics surrogates with low validation error that nonetheless violate physical requirements. We present Physics-Audited Agentic SciML (PA-SciML), a framework combining large language model agents with physics auditing. Physical requirements, encoded as contracts such as superposition, boun...

Diab W. Abueidda, Bilal Ahmed, Panos Pantidis et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

GENSTRAT: Toward a Science of Strategic Reasoning in Large Language Models

Fixed game suites for evaluating strategic reasoning in large language models (LLMs) saturate and are hard to keep free of contamination. We introduce GENSTRAT, a system for evaluating the strategic capabilities of LLMs driven by procedural generation of two-player zero-sum imperfect-information betting games, allowing...

Vartan Shadarevian, Kia Ghods, Alex Kenich et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Teaching Large Language Models When Not to Know: Learning Temporal Critique for Ex-Ante Reasoning

Large language models (LLMs) often fail to reason under temporal cutoffs: when prompted to answer from the standpoint of an earlier time, they exploit knowledge that became available only later. We study this failure through the lens of ex-ante reasoning, where a model must rely exclusively on information knowable befo...

Chenlu Ding, Jiancan Wu, Yanchen Luo et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Controllable User Simulation

Using offline datasets to evaluate conversational agents often fails to cover rare scenarios or to support testing new policies. This has motivated the use of controllable user simulators for targeted, counterfactual evaluation, typically implemented by prompting or fine-tuning large language models. In this work, we f...

Guy Tennenholtz, Ofer Meshi, Amir Globerson et al. · 0 citations

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