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In applications such as e-commerce, online education, and streaming services, sequential recommendation systems play a critical role. Despite the excellent performance of self-attention-based sequential recommendation models in capturing…

信息检索 · 计算机科学 2026-02-06 Jinzhao Su , Zhenhua Huang

The most data-efficient algorithms for reinforcement learning in robotics are model-based policy search algorithms, which alternate between learning a dynamical model of the robot and optimizing a policy to maximize the expected return…

机器学习 · 计算机科学 2020-03-05 Rituraj Kaushik , Konstantinos Chatzilygeroudis , Jean-Baptiste Mouret

Mutual adaptation can significantly enhance overall task performance in human-robot co-transportation by integrating both the robot's and human's understanding of the environment. While human modeling helps capture humans' subjective…

机器人学 · 计算机科学 2025-03-13 Al Jaber Mahmud , Weizi Li , Xuan Wang

Representational similarity analysis (RSA) has been shown to be an effective framework to characterize brain-activity profiles and deep neural network activations as representational geometry by computing the pairwise distances of the…

神经元与认知 · 定量生物学 2019-07-30 Baihan Lin , Marieke Mur , Tim Kietzmann , Nikolaus Kriegeskorte

We introduce a new convolutional AutoEncoder architecture for user modelling and recommendation tasks with several improvements over the state of the art. Firstly, our model has the flexibility to learn a set of associations and…

机器学习 · 计算机科学 2025-09-10 Antoine Ledent , Petr Kasalický , Rodrigo Alves , Hady W. Lauw

Conversational recommender systems (CRS) have advanced with large language models, showing strong results in domains like movies. These domains typically involve fixed content and passive consumption, where user preferences can be matched…

信息检索 · 计算机科学 2026-02-26 Zheng Hui , Xiaokai Wei , Yexi Jiang , Kevin Gao , Chen Wang , Frank Ong , Se-eun Yoon , Rachit Pareek , Michelle Gong

Personalized models are essential in digital health because individuals exhibit substantial physiological and behavioral heterogeneity. Yet personalization is limited by scarce and noisy user-specific data. Most existing methods rely on…

人工智能 · 计算机科学 2026-05-15 Zhongqi Yang , Mahkameh Rasouli , Neda Mohseni , Yong Huang , Iman Azimi , Amir M. Rahmani

Collaborative Metric Learning (CML) has recently emerged as a popular method in recommendation systems (RS), closing the gap between metric learning and Collaborative Filtering. Following the convention of RS, existing methods exploit…

信息检索 · 计算机科学 2022-10-03 Shilong Bao , Qianqian Xu , Zhiyong Yang , Yuan He , Xiaochun Cao , Qingming Huang

Sequential recommender systems (SRS) have become the key technology in capturing user's dynamic interests and generating high-quality recommendations. Current state-of-the-art sequential recommender models are typically based on a…

信息检索 · 计算机科学 2020-05-27 Yang Sun , Fajie Yuan , Min Yang , Guoao Wei , Zhou Zhao , Duo Liu

Agentic systems powered by Large Language Models (LLMs) have shown strong potential in recommender systems but remain hindered by several challenges. Fine-tuning LLMs is parameter-inefficient, and prompt-based agentic reasoning is limited…

信息检索 · 计算机科学 2026-02-10 Minh-Duc Nguyen , Hai-Dang Kieu , Dung D. Le

Machine Learning (ML) algorithms are vital for supporting clinical decision-making in biomedical informatics. However, their predictive performance can vary across demographic groups, often due to the underrepresentation of historically…

机器学习 · 计算机科学 2025-03-04 Ioannis Bilionis , Ricardo C. Berrios , Luis Fernandez-Luque , Carlos Castillo

Developing generalizable manipulation skills is a core challenge in embodied AI. This includes generalization across diverse task configurations, encompassing variations in object shape, density, friction coefficient, and external…

机器人学 · 计算机科学 2024-04-01 Yichao Liang , Kevin Ellis , João Henriques

Existing sequential recommendation models, even advanced diffusion-based approaches, often struggle to capture the rich semantic intent underlying user behavior, especially for new users or long-tail items. This limitation stems from their…

信息检索 · 计算机科学 2026-01-08 Bo-Chian Chen , Manel Slokom

Large language models (LLMs) have recently demonstrated strong potential for sequential recommendation. However, current LLM-based approaches face critical limitations in modeling users' long-term and diverse interests. First, due to…

信息检索 · 计算机科学 2025-10-30 Jingyi Zhou , Cheng Chen , Kai Zuo , Manjie Xu , Zhendong Fu , Yibo Chen , Xu Tang , Yao Hu

Motivated by single-particle cryo-electron microscopy, multi-reference alignment (MRA) models the task of recovering an unknown signal from multiple noisy observations corrupted by random rotations. The standard approach,…

信号处理 · 电气工程与系统科学 2026-01-09 Shay Kreymer , Amnon Balanov , Tamir Bendory

The interaction between a vehicle navigation system and the driver of the vehicle can be formulated as a model-based reinforcement learning problem, where the navigation systems (agent) must quickly adapt to the characteristics of the…

机器学习 · 计算机科学 2022-04-06 Yuda Song , Ye Yuan , Wen Sun , Kris Kitani

Accurate prediction of human movements is required to enhance the efficiency of physical human-robot interaction. Behavioral differences across various users are crucial factors that limit the prediction of human motion. Although recent…

机器人学 · 计算机科学 2021-10-12 Hee-Seung Moon , Jiwon Seo

The articulated and complex nature of human actions makes the task of action recognition difficult. One approach to handle this complexity is dividing it to the kinetics of body parts and analyzing the actions based on these partial…

计算机视觉与模式识别 · 计算机科学 2015-08-03 Amir Shahroudy , Gang Wang , Tian-Tsong Ng , Qingxiong Yang

Reinforcement Learning (RL) has the promise of providing data-driven support for decision-making in a wide range of problems in healthcare, education, business, and other domains. Classical RL methods focus on the mean of the total return…

机器学习 · 计算机科学 2022-02-02 Elynn Y. Chen , Rui Song , Michael I. Jordan

Due to strong capabilities in conducting fluent, multi-turn conversations with users, Large Language Models (LLMs) have the potential to further improve the performance of Conversational Recommender System (CRS). Unlike the aimless…

信息检索 · 计算机科学 2024-02-05 Jiabao Fang , Shen Gao , Pengjie Ren , Xiuying Chen , Suzan Verberne , Zhaochun Ren