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Neural network language models (LMs) are confronted with significant challenges in generalization and robustness. Currently, many studies focus on improving either generalization or robustness in isolation, without methods addressing both…

Computation and Language · Computer Science 2025-03-24 Yudao Sun , Juan Yin , Juan Zhao , Fan Zhang , Yongheng Liu , Hongji Chen

Large Language Models (LLMs) require alignment with human preferences to avoid generating offensive, false, or meaningless content. Recently, low-resource methods for LLM alignment have been popular, while still facing challenges in…

Computation and Language · Computer Science 2025-06-10 Feifan Song , Shaohang Wei , Wen Luo , Yuxuan Fan , Tianyu Liu , Guoyin Wang , Houfeng Wang

How can we train models to perform well on hard test data when hard training data is by definition difficult to label correctly? This question has been termed the scalable oversight problem and has drawn increasing attention as language…

Computation and Language · Computer Science 2024-06-06 Peter Hase , Mohit Bansal , Peter Clark , Sarah Wiegreffe

Large language models (LLMs) have shown remarkable potential for problem solving, with open source models achieving increasingly impressive performance on benchmarks measuring areas from logical reasoning to mathematical ability. Ensembling…

Computation and Language · Computer Science 2024-07-17 Kevin Gu , Eva Tuecke , Dmitriy Katz , Raya Horesh , David Alvarez-Melis , Mikhail Yurochkin

Large language models (LLMs) have achieved remarkable proficiency on solving diverse problems. However, their generalization ability is not always satisfying and the generalization problem is common for generative transformer models in…

Machine Learning · Computer Science 2024-08-20 Xingcheng Xu , Zihao Pan , Haipeng Zhang , Yanqing Yang

The main challenge in lifelong imitation learning lies in the balance between mitigating catastrophic forgetting of previous skills while maintaining sufficient capacity for acquiring new ones. However, current approaches typically address…

Machine Learning · Computer Science 2025-08-05 Hongquan Zhang , Jingyu Gong , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie

Large Language Model (LLM)-based multi-agent systems show promise for automating real-world tasks but struggle to transfer across domains due to their domain-specific nature. Current approaches face two critical shortcomings: they require…

Aligning language models (LMs) with human preferences has become a key area of research, enabling these models to meet diverse user needs better. Inspired by weak-to-strong generalization, where a strong LM fine-tuned on labels generated by…

Computation and Language · Computer Science 2025-03-07 Wenhong Zhu , Zhiwei He , Xiaofeng Wang , Pengfei Liu , Rui Wang

Superalignment, where humans act as weak supervisors for superhuman models, has become a crucial problem with the rapid development of Large Language Models (LLMs). Recent work has preliminarily studied this problem by using weak models to…

Computation and Language · Computer Science 2025-03-03 Wenkai Yang , Shiqi Shen , Guangyao Shen , Wei Yao , Yong Liu , Zhi Gong , Yankai Lin , Ji-Rong Wen

Despite impressive progress in areas like mathematical reasoning, large language models still face significant challenges in consistently solving complex problems. Drawing inspiration from key human learning strategies, we propose two novel…

Artificial Intelligence · Computer Science 2025-09-18 Enci Zhang , Xingang Yan , Wei Lin , Tianxiang Zhang , Qianchun Lu

Large language models (LLMs) operate as autoregressive predictors over discrete token vocabularies, a formulation that has enabled their adaptation far beyond natural language to vision, robotics, and multimodal reasoning. However, training…

Machine Learning · Computer Science 2026-05-08 Jiwan Chung , Saejin Kim , Yongrae Jo , Jaewoo Park , Dongjun Min , Youngjae Yu

Weak-to-strong generalization provides a promising paradigm for scaling large language models (LLMs) by training stronger models on samples from aligned weaker ones, without requiring human feedback or explicit reward modeling. However, its…

Computation and Language · Computer Science 2025-10-10 Houcheng Jiang , Junfeng Fang , Jiaxin Wu , Tianyu Zhang , Chen Gao , Yong Li , Xiang Wang , Xiangnan He , Yang Deng

Large Language Models (LLMs) demonstrate promising capabilities in solving scientific problems but often suffer from the issue of hallucination. While integrating LLMs with tools can mitigate this issue, models fine-tuned on tool usage…

Machine Learning · Computer Science 2025-06-23 Bohan Lyu , Yadi Cao , Duncan Watson-Parris , Leon Bergen , Taylor Berg-Kirkpatrick , Rose Yu

As language models continue to rapidly improve, we can expect their actions and reasoning to become difficult or impossible for weaker agents and humans to follow, undermining interpretability and oversight. With an eye on long-term…

Artificial Intelligence · Computer Science 2026-01-27 Robert West , Ashton Anderson , Ece Kamar , Eric Horvitz

Learned reweighting (LRW) approaches to supervised learning use an optimization criterion to assign weights for training instances, in order to maximize performance on a representative validation dataset. We pose and formalize the problem…

Machine Learning · Computer Science 2024-04-01 Nishant Jain , Arun S. Suggala , Pradeep Shenoy

Large Language Models (LLMs) have excelled in various tasks but perform better in high-resource scenarios, which presents challenges in low-resource scenarios. Data scarcity and the inherent difficulty of adapting LLMs to specific tasks…

Computation and Language · Computer Science 2024-04-02 Yuanhao Zeng , Min Wang , Yihang Wang , Yingxia Shao

Effective prompt engineering remains a challenging task for many applications. We introduce Weak-to-Strong Transfer (WST), an automatic prompt engineering framework where a small "Teacher" model generates instructions that enhance the…

Machine Learning · Computer Science 2025-08-26 Haosen Ge , Shuo Li , Lianghuan Huang

This study introduces an ensemble framework for unstructured text categorization using large language models (LLMs). By integrating multiple models, the ensemble large language model (eLLM) framework addresses common weaknesses of…

Artificial Intelligence · Computer Science 2025-11-21 Ariel Kamen , Yakov Kamen

We investigate how well large language models (LLMs) generalize across different task difficulties, a key question for effective data curation and evaluation. Existing research is mixed regarding whether training on easier or harder data…

Computation and Language · Computer Science 2025-11-27 Yeganeh Kordi , Nihal V. Nayak , Max Zuo , Ilana Nguyen , Stephen H. Bach

We investigate the robustness of fine-tuned Large Language Models (LLMs) for the task of Natural Language Inference (NLI), finding that the in-distribution gains from fine-tuning correspond to a large drop in out-of-distribution (OOD)…

Computation and Language · Computer Science 2026-01-21 Joe Stacey , Lisa Alazraki , Aran Ubhi , Beyza Ermis , Aaron Mueller , Marek Rei