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The rapidly advancing fields of statistical modeling and machine learning have significantly enhanced data-driven design and optimization. This paper focuses on leveraging these design algorithms to optimize a medical walker, an integral…

Machine Learning · Computer Science 2023-10-31 Advaith Narayanan

Sequential dense retrieval models utilize advanced sequence learning techniques to compute item and user representations, which are then used to rank relevant items for a user through inner product computation between the user and all item…

Vision-Language Models (VLMs) have achieved remarkable progress, yet their large scale often renders them impractical for resource-constrained environments. This paper introduces Unified Reinforcement and Imitation Learning (RIL), a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Byung-Kwan Lee , Ryo Hachiuma , Yong Man Ro , Yu-Chiang Frank Wang , Yueh-Hua Wu

Search and recommendation are the two most common approaches used by people to obtain information. They share the same goal -- satisfying the user's information need at the right time. There are already a lot of Internet platforms and Apps…

Information Retrieval · Computer Science 2021-10-01 Jing Yao , Zhicheng Dou , Ruobing Xie , Yanxiong Lu , Zhiping Wang , Ji-Rong Wen

Directly learning from examples of varying difficulty levels is often challenging for both humans and machine learning models. A more effective strategy involves exposing learners to examples in a progressive order from easy to difficult.…

Computation and Language · Computer Science 2025-11-27 Guangyu Meng , Qingkai Zeng , John P. Lalor , Hong Yu

Pedestrian Attribute Recognition is a foundational computer vision task that provides essential support for downstream applications, including person retrieval in video surveillance and intelligent retail analytics. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Minghe Xu , Rouying Wu , Jiarui Xu , Minhao Sun , Zikang Yan , Xiao Wang , ChiaWei Chu , Yu Li

Significant research efforts have been made to scale and improve vision-language model (VLM) training approaches. Yet, with an ever-growing number of benchmarks, researchers are tasked with the heavy burden of implementing each protocol,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Haider Al-Tahan , Quentin Garrido , Randall Balestriero , Diane Bouchacourt , Caner Hazirbas , Mark Ibrahim

Large language models (LLMs) require iterative updates to address the outdated information problem, where LLM unlearning offers an approach for selective removal. However, mainstream unlearning methods primarily rely on fine-tuning…

Computation and Language · Computer Science 2025-09-29 Miao Yu , Liang Lin , Guibin Zhang , Xinfeng Li , Junfeng Fang , Xingrui Yu , Ivor Tsang , Ningyu Zhang , Kun Wang , Yang Wang

The continuous expansion of digital learning environments has catalyzed the demand for intelligent systems capable of providing personalized educational content. While current exercise recommendation frameworks have made significant…

Information Retrieval · Computer Science 2026-04-22 Rong Fu , Zijian Zhang , Haiyun Wei , Jiekai Wu , Kun Liu , Xianda Li , Haoyu Zhao , Yang Li , Yongtai Liu , Ziming Wang , Rui Lu , Simon Fong

Multi-Objective Alignment aims to align Large Language Models (LLMs) with diverse and often conflicting human values by optimizing multiple objectives simultaneously. Existing methods predominantly rely on static preference weight…

Machine Learning · Computer Science 2026-04-28 Wenzhe Xu , Biao Liu , Yiyang Sun , Xin Geng , Ning Xu

Education materials for K-12 students often consist of multiple modalities, such as text and images, posing challenges for models to fully understand nuanced information in these materials. In this paper, we propose a unified language and…

Computation and Language · Computer Science 2025-10-10 Zhendong Chu , Jian Xie , Shen Wang , Zichao Wang , Qingsong Wen

Peer learning is a novel high-level reinforcement learning framework for agents learning in groups. While standard reinforcement learning trains an individual agent in trial-and-error fashion, all on its own, peer learning addresses a…

Machine Learning · Computer Science 2024-05-07 Cedric Derstroff , Mattia Cerrato , Jannis Brugger , Jan Peters , Stefan Kramer

Shaping powerful LLMs to be beneficial and safe is central to AI alignment. We argue that post-training alignment is fundamentally a unified Preference Learning problem, involving two modalities: demonstrated preferences (e.g., Supervised…

Artificial Intelligence · Computer Science 2025-09-30 FaQiang Qian , WeiKun Zhang , Ziliang Wang , Kang An , Xuhui Zheng , Liangjian Wen , Mengya Gao , Yong Dai , Yichao Wu

MultiModal Recommendation (MMR) systems have emerged as a promising solution for improving recommendation quality by leveraging rich item-side modality information, prompting a surge of diverse methods. Despite these advances, existing…

Information Retrieval · Computer Science 2025-08-25 Xiaoxiong Zhang , Xin Zhou , Zhiwei Zeng , Yongjie Wang , Dusit Niyato , Zhiqi Shen

Industrial recommender systems commonly rely on ensemble sorting (ES) to combine predictions from multiple behavioral objectives. Traditionally, this process depends on manually designed nonlinear transformations (e.g., polynomial or…

Information Retrieval · Computer Science 2025-08-19 Zhengrui Xu , Zhe Yang , Zhengxiao Guo , Shukai Liu , Luocheng Lin , Xiaoyan Liu , Yongqi Liu , Han Li

Entity Matching (EM) is a core data cleaning task, aiming to identify different mentions of the same real-world entity. Active learning is one way to address the challenge of scarce labeled data in practice, by dynamically collecting the…

Databases · Computer Science 2020-03-31 Venkata Vamsikrishna Meduri , Lucian Popa , Prithviraj Sen , Mohamed Sarwat

Generative recommendation systems have gained increasing attention as an innovative approach that directly generates item identifiers for recommendation tasks. Despite their potential, a major challenge is the effective construction of item…

Information Retrieval · Computer Science 2025-06-05 Enze Liu , Bowen Zheng , Cheng Ling , Lantao Hu , Han Li , Wayne Xin Zhao

Online educational platforms are playing a primary role in mediating the success of individuals' careers. Therefore, while building overlying content recommendation services, it becomes essential to guarantee that learners are provided with…

Information Retrieval · Computer Science 2022-08-24 Mirko Marras , Ludovico Boratto , Guilherme Ramos , Gianni Fenu

Ensemble of machine learning models yields improved performance as well as robustness. However, their memory requirements and inference costs can be prohibitively high. Knowledge distillation is an approach that allows a single model to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Zhengcong Fei , Shuman Tian , Junshi Huang , Xiaoming Wei , Xiaolin Wei

Modern commercial platforms typically offer both search and recommendation functionalities to serve diverse user needs, making joint modeling of these tasks an appealing direction. While prior work has shown that integrating search and…

Information Retrieval · Computer Science 2025-04-11 Teng Shi , Jun Xu , Xiao Zhang , Xiaoxue Zang , Kai Zheng , Yang Song , Enyun Yu