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Kilian Q. Weinberger

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#artificial intelligence Preprint Sep 2026

PhantomEnvironments: Training LLM Agents in Fictional Worlds

Training LLM agents with reinforcement learning (RL) is bottlenecked by environments, which must provide verifiable rewards, support long-horizon interaction, and scale cheaply. Existing approaches rely on costly human-curated data or on LLM-generated environments that risk hallucinations and benchmark contamination. W...

Anmol Kabra, Swathi Saravana Selvam, Albert Gong et al. · 0 citations
#artificial intelligence Preprint Sep 2026

MoRE: Mixture of Reused Experts

Mixture-of-Experts (MoE) architectures decouple model capacity from computational cost, yet incur high memory footprints as parameters grow linearly with the number of experts. Recurrent Transformers achieve parameter efficiency by reusing layer weights, but typically lack the capacity for competitive language modeling...

Eric S. Qiu, U. U. Acikalin, Justin Lovelace et al. · 1 citation
#machine learning Preprint Aug 2026

Co-Evolving Structured Knowledge and Reasoning in Language Models

Kevo is a co-evolving framework that jointly learns to construct a structured knowledge base and reason over it for knowledge-intensive question answering, which leads to larger, better-connected knowledge structures with higher answer reachability, while also improving compositional factual reasoning and controllabili...

Ryan Thomas Noonan, Lin-Xi Zhao, Meng-Han Xu et al. · 0 citations
#natural language process... Preprint Jul 2026

Co-LMLM: Continuous-Query Limited Memory Language Models

This work proposes continuous-query LMLM (CO-LMLM), where the KB pairs continuous keys with textual knowledge values, a significant departure from prior reliance on relational KB and queries, which outperforms prior LMLMs and vanilla LLMs in both perplexity and factual precision.

Yair Feldman, Lin-Xi Zhao, Nathan Godey et al. · 0 citations
#machine learning Preprint Aug 2026

Optimize Your Sampling: Tuned Diffusion Sampling with Bayesian Optimization

Optizing Your Sampling (OYS), which instead treats timestep selection as a black-box optimization problem, optimizing the target metric directly with Bayesian optimization, improves both simple and sophisticated samplers such as Euler and DPM-Solver++.

Travis Zhang, Christian K. Belardi, Justin Lovelace et al. · 0 citations

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