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Large Language Models (LLMs) have achieved significant advances in reasoning tasks. A key approach is tree-based search with verifiers, which expand candidate reasoning paths and use reward models to guide pruning and selection. Although…

Artificial Intelligence · Computer Science 2025-10-01 Yingqian Cui , Zhenwei Dai , Pengfei He , Bing He , Hui Liu , Xianfeng Tang , Jingying Zeng , Suhang Wang , Yue Xing , Jiliang Tang , Benoit Dumoulin

Large Language Model (LLM)-based agents have recently shown impressive capabilities in complex reasoning and tool use via multi-step interactions with their environments. While these agents have the potential to tackle complicated tasks,…

Artificial Intelligence · Computer Science 2025-11-04 Jiaye Lin , Yifu Guo , Yuzhen Han , Sen Hu , Ziyi Ni , Licheng Wang , Mingguang Chen , Hongzhang Liu , Ronghao Chen , Yangfan He , Daxin Jiang , Binxing Jiao , Chen Hu , Huacan Wang

In this work, we investigate the potential of large language models (LLMs) based agents to automate data science tasks, with the goal of comprehending task requirements, then building and training the best-fit machine learning models.…

Machine Learning · Computer Science 2024-05-29 Siyuan Guo , Cheng Deng , Ying Wen , Hechang Chen , Yi Chang , Jun Wang

The paradigm of large language model (LLM) reasoning is shifting from parameter scaling to test-time compute scaling, yet many existing approaches still rely on uniform brute-force sampling (for example, fixed best-of-N or self-consistency)…

Artificial Intelligence · Computer Science 2026-03-02 Siyuan Ma , Bo Gao , Xiaojun Jia , Simeng Qin , Tianlin Li , Ke Ma , Xiaoshuang Jia , Wenqi Ren , Yang Liu

Large Language Models (LLMs) have demonstrated powerful reasoning capabilities through Chain-of-Thought (CoT) in various tasks, yet the inefficiency of token-by-token generation hinders real-world deployment in latency-sensitive recommender…

Information Retrieval · Computer Science 2026-05-12 Yiwen Chen , Fuwei Zhang , Zehao Chen , Deqing Wang , Hehan Li , Peizhi Xu , Hanmeng Liu , Shuanglong Li , Xin Pei , Fuzhen Zhuang , Zhao Zhang

Neural Architecture Search (NAS) aims to automatically discover high-performing deep neural network (DNN) architectures. However, conventional algorithm-driven NAS relies on carefully hand-crafted search spaces to ensure executability,…

Machine Learning · Computer Science 2026-04-21 Masakazu Yoshimura , Zitang Sun , Yuiko Sakuma , Junji Otsuka , Atsushi Irie , Takeshi Ohashi

We introduce DA-Code, a code generation benchmark specifically designed to assess LLMs on agent-based data science tasks. This benchmark features three core elements: First, the tasks within DA-Code are inherently challenging, setting them…

Computation and Language · Computer Science 2024-10-14 Yiming Huang , Jianwen Luo , Yan Yu , Yitong Zhang , Fangyu Lei , Yifan Wei , Shizhu He , Lifu Huang , Xiao Liu , Jun Zhao , Kang Liu

Increasing the batch size of a deep learning model is a challenging task. Although it might help in utilizing full available system memory during training phase of a model, it results in significant loss of test accuracy most often. LARS…

Machine Learning · Computer Science 2021-02-08 Kanchan Chowdhury , Ankita Sharma , Arun Deepak Chandrasekar

Current large-language models (LLMs) typically adopt a fixed reasoning strategy, either simple or complex, for all questions, regardless of their difficulty. This neglect of variation in task and reasoning process complexity leads to an…

Computation and Language · Computer Science 2025-05-27 Yi Wang , Junxiao Liu , Shimao Zhang , Jiajun Chen , Shujian Huang

Unsupervised Domain Adaptation Regression (DAR) aims to bridge the domain gap between a labeled source dataset and an unlabelled target dataset for regression problems. Recent works mostly focus on learning a deep feature encoder by…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Ismail Nejjar , Qin Wang , Olga Fink

Large Language Models (LLMs) have improved programming efficiency, but their performance degrades significantly as requirements scale; when faced with multi-modal documents containing hundreds of scenarios, LLMs often produce incorrect…

Software Engineering · Computer Science 2026-05-26 Weiyu Kong , Yun Lin , Xiwen Teoh , Duc-Minh Nguyen , Ruofei Ren , Jiaxin Chang , Haoxu Hu , Haoyu Chen

Large language models (LLMs) excel at rapid generation of text and multimodal content, yet they falter on transaction-style planning that demands ACID-like guarantees and real-time disruption recovery. We present Adaptive LLM Agent System…

Artificial Intelligence · Computer Science 2025-05-20 Edward Y. Chang , Longling Geng

Large Language Models (LLMs) exhibit substantial parameter redundancy, particularly in Feed-Forward Networks (FFNs). Existing pruning methods suffer from two primary limitations. First, reliance on dataset-specific calibration introduces…

Computation and Language · Computer Science 2026-02-02 Abhishek Tyagi , Yunuo Cen , Shrey Dhorajiya , Bharadwaj Veeravalli , Xuanyao Fong

Recently, Diffusion Large Language Models (dLLMs) have demonstrated unique efficiency advantages, enabled by their inherently parallel decoding mechanism and flexible generation paradigm. Meanwhile, despite the rapid advancement of Search…

Artificial Intelligence · Computer Science 2026-02-10 Jiahao Zhao , Shaoxuan Xu , Zhongxiang Sun , Fengqi Zhu , Jingyang Ou , Yuling Shi , Chongxuan Li , Xiao Zhang , Jun Xu

Retrieval-augmented generation (RAG) integrates large language models ( LLM s) with retrievers to access external knowledge, improving the factuality of LLM generation in knowledge-grounded tasks. To optimize the RAG performance, most…

Information Retrieval · Computer Science 2025-05-07 Zhengliang Shi , Lingyong Yan , Weiwei Sun , Yue Feng , Pengjie Ren , Xinyu Ma , Shuaiqiang Wang , Dawei Yin , Maarten de Rijke , Zhaochun Ren

Recent work on activation and latent steering has demonstrated that modifying internal representations can effectively guide large language models (LLMs) toward improved reasoning and efficiency without additional training. However, most…

Machine Learning · Computer Science 2026-01-07 Tuc Nguyen , Thai Le

Code Large Language Models (CodeLLMs) are increasingly integrated into modern software development workflows, yet efficiently serving them in resource-constrained, self-hosted environments remains a significant challenge. Existing LLM…

Software Engineering · Computer Science 2025-06-26 Shi Chang , Boyuan Chen , Kishanthan Thangarajah , Hanan Lutfiyya , Ahmed E. Hassan

Large language models (LLMs) are commonly trained on multi-domain datasets, where domain sampling strategies significantly impact model performance due to varying domain importance across downstream tasks. Existing approaches for optimizing…

Computation and Language · Computer Science 2025-08-25 Weijie Shi , Jipeng Zhang , Yaguang Wu , Jingzhi Fang , Ruiyuan Zhang , Jiajie Xu , Jia Zhu , Hao Chen , Yao Zhao , Sirui Han , Xiaofang Zhou

Recent advances in self-refinement have demonstrated significant potential for improving the outputs of large language models (LLMs) through iterative refinement. However, most existing self-refinement methods rely on a reactive process…

Computation and Language · Computer Science 2025-10-07 Jinyi Han , Xinyi Wang , Haiquan Zhao , Tingyun li , Zishang Jiang , Sihang Jiang , Jiaqing Liang , Xin Lin , Weikang Zhou , Zeye Sun , Fei Yu , Yanghua Xiao

In the past year, large language models (LLMs) have had remarkable success in domains outside the traditional natural language processing, and their capacity is further expanded into the so-called LLM agents when connected with external…

Computation and Language · Computer Science 2025-02-17 Weizhe Chen , Sven Koenig , Bistra Dilkina