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Self-play constitutes a fundamental paradigm for autonomous skill acquisition, whereby agents iteratively enhance their capabilities through self-directed environmental exploration. Conventional self-play frameworks exploit agent symmetry…

Artificial Intelligence · Computer Science 2025-10-22 Manjie Xu , Xinyi Yang , Jiayu Zhan , Wei Liang , Chi Zhang , Yixin Zhu

Recent advances in large language models (LLMs) have introduced latent reasoning as a promising alternative to autoregressive reasoning. By performing internal computation with hidden states from previous steps, latent reasoning benefit…

Computation and Language · Computer Science 2025-10-24 Zhenrui Yue , Bowen Jin , Huimin Zeng , Honglei Zhuang , Zhen Qin , Jinsung Yoon , Lanyu Shang , Jiawei Han , Dong Wang

Recent empirical work shows that inconsistent results based on choice of hyperparameter optimization (HPO) configuration are a widespread problem in ML research. When comparing two algorithms J and K searching one subspace can yield the…

Machine Learning · Computer Science 2022-02-18 A. Feder Cooper , Yucheng Lu , Jessica Zosa Forde , Christopher De Sa

Simultaneous speech translation (SST) generates translations while receiving partial speech input. Recent advances show that large language models (LLMs) can substantially improve SST quality, but at the cost of high computational overhead.…

Computation and Language · Computer Science 2026-04-24 Siqi Ouyang , Shuoyang Ding , Oleksii Hrinchuk , Vitaly Lavrukhin , Brian Yan , Boris Ginsburg , Lei Li

Group-based reinforcement learning (RL), such as GRPO, has advanced the capabilities of large language models on long-horizon agentic tasks. To enable more fine-grained policy updates, recent research has increasingly shifted toward…

Machine Learning · Computer Science 2026-02-27 Shuo He , Lang Feng , Qi Wei , Xin Cheng , Lei Feng , Bo An

Designing task-oriented dialogue systems is a challenging research topic, since it needs not only to generate utterances fulfilling user requests but also to guarantee the comprehensibility. Many previous works trained end-to-end (E2E)…

Computation and Language · Computer Science 2021-02-22 Jianhong Wang , Yuan Zhang , Tae-Kyun Kim , Yunjie Gu

Optimization is fundamental across numerous disciplines, typically following an iterative process of refining an initial solution to enhance performance. This principle is equally critical in prompt engineering, where designing effective…

Artificial Intelligence · Computer Science 2026-01-07 Dongyu Chen , Jian Ma , Xianpeng Zhang , Lei Zhang , Haonan Lu , Chen Chen , Chuangchuang Wang , Kai Tang

Large Language Models (LLMs) deliver state-of-the-art performance across many tasks but impose high computational and memory costs, limiting their deployment in resource-constrained or real-time settings. To address this, we propose…

Computation and Language · Computer Science 2025-11-14 Nikunj Gupta , Bill Guo , Rajgopal Kannan , Viktor K. Prasanna

The integration of large language models (LLMs) into education presents unprecedented opportunities for scalable personalized learning. However, standard LLMs often function as generic information providers, lacking alignment with…

Machine Learning · Computer Science 2025-07-29 Siyu Song , Wentao Liu , Ye Lu , Ruohua Zhang , Tao Liu , Jinze Lv , Xinyun Wang , Aimin Zhou , Fei Tan , Bo Jiang , Hao Hao

Large language models (LLMs) are increasingly embedded in AI-based tutoring systems. Can they faithfully model novice reasoning and metacognitive judgments? Existing evaluations emphasize problem-solving accuracy, overlooking the fragmented…

Computation and Language · Computer Science 2026-05-12 Conrad Borchers , Jill-Jênn Vie , Roger Azevedo

Large language models (LLMs) have shown promise in formal theorem proving, but their token-level processing often fails to capture the inherent hierarchical nature of mathematical proofs. We introduce \textbf{Hierarchical Attention}, a…

Machine Learning · Computer Science 2025-04-29 Jianlong Chen , Chao Li , Yang Yuan , Andrew C Yao

Large language models (LLMs) have become increasingly central to AI applications worldwide, necessitating robust multilingual safety alignment to ensure secure deployment across diverse linguistic contexts. Existing preference learning…

Computation and Language · Computer Science 2025-05-23 Weixiang Zhao , Yulin Hu , Yang Deng , Tongtong Wu , Wenxuan Zhang , Jiahe Guo , An Zhang , Yanyan Zhao , Bing Qin , Tat-Seng Chua , Ting Liu

Large Language Models (LLMs) have been used to make decisions in complex scenarios, where they need models to think deeply, reason logically, and decide wisely. Many existing studies focus solely on multi-round conversations in social tasks…

Artificial Intelligence · Computer Science 2025-09-26 Yiwen Zhang , Ziang Chen , Fanqi Kong , Yizhe Huang , Xue Feng

AI agents powered by Large Language Models (LLMs) have made significant advances, enabling them to assist humans in diverse complex tasks and leading to a revolution in human-AI coordination. LLM-powered agents typically require invoking…

Artificial Intelligence · Computer Science 2024-01-10 Jijia Liu , Chao Yu , Jiaxuan Gao , Yuqing Xie , Qingmin Liao , Yi Wu , Yu Wang

Collective learning can be greatly enhanced when agents effectively exchange knowledge with their peers. In particular, recent work studying agents that learn to teach other teammates has demonstrated that action advising accelerates…

Hyperparameter optimization (HPO) is a critical yet challenging aspect of machine learning model development, significantly impacting model performance and generalization. Traditional HPO methods often struggle with high dimensionality,…

Machine Learning · Computer Science 2025-05-29 Meher Bhaskar Madiraju , Meher Sai Preetam Madiraju

Hierarchical reinforcement learning is a promising approach to tackle long-horizon decision-making problems with sparse rewards. Unfortunately, most methods still decouple the lower-level skill acquisition process and the training of a…

Machine Learning · Computer Science 2020-05-15 Alexander C. Li , Carlos Florensa , Ignasi Clavera , Pieter Abbeel

Hyperparameters are a critical factor in reliably training well-performing reinforcement learning (RL) agents. Unfortunately, developing and evaluating automated approaches for tuning such hyperparameters is both costly and time-consuming.…

In cooperative Multi-Agent Reinforcement Learning (MARL), efficient exploration is crucial for optimizing the performance of joint policy. However, existing methods often update joint policies via independent agent exploration, without…

Machine Learning · Computer Science 2025-11-18 Zejiao Liu , Junqi Tu , Yitian Hong , Luolin Xiong , Yaochu Jin , Yang Tang , Fangfei Li

Hyperparameter optimization (HPO) plays a central role in the performance of deep learning models, yet remains computationally expensive and difficult to interpret, particularly for time-series forecasting. While Bayesian Optimization (BO)…

Machine Learning · Computer Science 2026-02-17 Ons Saadallah , Mátyás andó , Tamás Gábor Orosz