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Reranking is a critical component in recommender systems, playing an essential role in refining the output of recommendation algorithms. Traditional reranking models have focused predominantly on accuracy, but modern applications demand…

信息检索 · 计算机科学 2025-02-04 Jingtong Gao , Bo Chen , Weiwen Liu , Xiangyang Li , Yichao Wang , Wanyu Wang , Huifeng Guo , Ruiming Tang , Xiangyu Zhao

Classical and natural language planning tasks remain a difficult domain for modern large language models (LLMs). In this work, we lay the foundations for improving planning capabilities of LLMs. First, we construct a comprehensive benchmark…

Adapting general multimodal large language models (MLLMs) to specific domains, such as scientific and industrial fields, is highly significant in promoting their practical applications. This paper systematically investigates domain…

计算与语言 · 计算机科学 2025-08-28 Daixuan Cheng , Shaohan Huang , Ziyu Zhu , Xintong Zhang , Wayne Xin Zhao , Zhongzhi Luan , Bo Dai , Zhenliang Zhang

Domain generalization (DG) is a fundamental yet very challenging research topic in machine learning. The existing arts mainly focus on learning domain-invariant features with limited source domains in a static model. Unfortunately, there is…

机器学习 · 计算机科学 2022-05-30 Zhishu Sun , Zhifeng Shen , Luojun Lin , Yuanlong Yu , Zhifeng Yang , Shicai Yang , Weijie Chen

Although large language models (LLMs) have advanced the state-of-the-art in NLP significantly, deploying them for downstream applications is still challenging due to cost, responsiveness, control, or concerns around privacy and security. As…

计算与语言 · 计算机科学 2023-11-01 Dong-Ho Lee , Jay Pujara , Mohit Sewak , Ryen W. White , Sujay Kumar Jauhar

The data-to-equation (Data2Eqn) task aims to discover interpretable mathematical equations that map observed values to labels, offering physical insights and broad applicability across academic and industrial domains. Genetic programming…

机器学习 · 计算机科学 2025-05-22 Wangyang Ying , Haoyue Bai , Nanxu Gong , Xinyuan Wang , Sixun Dong , Haifeng Chen , Yanjie Fu

Data mixing--the strategic reweighting of training domains--is a critical component in training robust machine learning models. This problem is naturally formulated as a bilevel optimization task, where the outer loop optimizes domain…

机器学习 · 计算机科学 2026-02-24 Rudrajit Das , Neel Patel , Meisam Razaviyayn , Vahab Mirrokni

Instead of directly distilling a language model, this study addresses the problem of aligning a base model with a target model in distribution by designing the domain mixture of training data for pretraining or continued pretraining as a…

计算与语言 · 计算机科学 2026-03-18 Ryo Kishino , Riku Shiomi , Hiroaki Yamagiwa , Momose Oyama , Hidetoshi Shimodaira

Domain generalizability is a crucial aspect of a deep learning model since it determines the capability of the model to perform well on data from unseen domains. However, research on the domain generalizability of deep learning models for…

计算与语言 · 计算机科学 2025-07-25 Juhwan Choi , Junehyoung Kwon , JungMin Yun , Seunguk Yu , YoungBin Kim

With the rise of large language models (LLMs), there has been growing interest in Graph Foundation Models (GFMs) for graph-based tasks. By leveraging LLMs as predictors, GFMs have demonstrated impressive generalizability across various…

机器学习 · 计算机科学 2025-03-06 Runlin Lei , Jiarui Ji , Haipeng Ding , Lu Yi , Zhewei Wei , Yongchao Liu , Chuntao Hong

Dynamic programming (DP) is a fundamental method in operations research, but formulating DP models has traditionally required expert knowledge of both the problem context and DP techniques. Large Language Models (LLMs) offer the potential…

人工智能 · 计算机科学 2026-04-02 Chenyu Zhou , Jingyuan Yang , Linwei Xin , Yitian Chen , Ziyan He , Dongdong Ge

Large Language Models (LLMs) face significant limitations when applied to large-scale graphs, struggling with context constraints and inflexible reasoning. We present GraphChain, a framework that enables LLMs to analyze complex graphs…

人工智能 · 计算机科学 2025-11-11 Chunyu Wei , Wenji Hu , Xingjia Hao , Xin Wang , Yifan Yang , Yueguo Chen , Yang Tian , Yunhai Wang

Data attribution methods quantify the influence of training data on model outputs and are becoming increasingly relevant for a wide range of LLM research and applications, including dataset curation, model interpretability, data valuation.…

计算与语言 · 计算机科学 2025-10-28 Cathy Jiao , Yijun Pan , Emily Xiao , Daisy Sheng , Niket Jain , Hanzhang Zhao , Ishita Dasgupta , Jiaqi W. Ma , Chenyan Xiong

We systematically study how three large language models with code capabilities - CodeT5, Codex, and ChatGPT - generalize to out-of-domain data. We consider two fundamental applications - code summarization, and code generation. We split…

计算与语言 · 计算机科学 2023-12-07 Shushan Arakelyan , Rocktim Jyoti Das , Yi Mao , Xiang Ren

This study explores the potential of using training dynamics as an automated alternative to human annotation for evaluating the quality of training data. The framework used is Data Maps, which classifies data points into categories such as…

机器学习 · 计算机科学 2024-11-05 Laura Wenderoth

Large language models (LLMs) commonly struggle with specialized or emerging topics which are rarely seen in the training corpus. Graph-based retrieval-augmented generation (GraphRAG) addresses this by structuring domain knowledge as a graph…

信息检索 · 计算机科学 2025-06-05 Zhefan Wang , Huanjun Kong , Jie Ying , Wanli Ouyang , Nanqing Dong

Recommendation systems often suffer from data sparsity caused by limited user-item interactions, which degrade their performance and amplify popularity bias in real-world scenarios. This paper proposes a novel data augmentation framework…

信息检索 · 计算机科学 2026-04-22 Minh-Anh Nguyen , Bao Nguyen , Ha Lan N. T. , Tuan Anh Hoang , Duc-Trong Le , Dung D. Le

Leveraging datasets available to learn a model with high generalization ability to unseen domains is important for computer vision, especially when the unseen domain's annotated data are unavailable. We study a novel and practical problem…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Yang Shu , Zhangjie Cao , Chenyu Wang , Jianmin Wang , Mingsheng Long

Instruction tuning -- fine-tuning a large language model (LLM) on pairs of instructions and desired outcomes -- is an approach that enables pre-trained language models to perform real-world tasks and follow human instructions. Its practical…

计算与语言 · 计算机科学 2024-02-19 Dylan Zhang , Justin Wang , Francois Charton

In real-life applications, machine learning models often face scenarios where there is a change in data distribution between training and test domains. When the aim is to make predictions on distributions different from those seen at…

机器学习 · 计算机科学 2021-11-04 Lucas Mansilla , Rodrigo Echeveste , Diego H. Milone , Enzo Ferrante