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Semantic segmentation requires a lot of training data, which necessitates costly annotation. There have been many studies on unsupervised domain adaptation (UDA) from one domain to another, e.g., from computer graphics to real images.…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Zhijie Wang , Xing Liu , Masanori Suganuma , Takayuki Okatani

Cross-domain recommendation can alleviate the data sparsity problem in recommender systems. To transfer the knowledge from one domain to another, one can either utilize the neighborhood information or learn a direct mapping function.…

机器学习 · 计算机科学 2019-10-21 Zhiwei Liu , Lei Zheng , Jiawei Zhang , Jiayu Han , Philip S. Yu

Recently the problem of cross-domain object detection has started drawing attention in the computer vision community. In this paper, we propose a novel unsupervised cross-domain detection model that exploits the annotated data in a source…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Zhen Zhao , Yuhong Guo , Jieping Ye

Cross-domain sequential recommendation is an important development direction of recommender systems. It combines the characteristics of sequential recommender systems and cross-domain recommender systems, which can capture the dynamic…

信息检索 · 计算机科学 2024-01-30 Zhaohao Lin , Weike Pan , Zhong Ming

One of the main challenges in Recommender Systems (RSs) is the New User problem which happens when the system has to generate personalised recommendations for a new user whom the system has no information about. Active Learning tries to…

信息检索 · 计算机科学 2017-01-10 Roberto Pagano , Massimo Quadrana , Mehdi Elahi , Paolo Cremonesi

User cold-start problem is a long-standing challenge in recommendation systems. Fortunately, cross-domain recommendation (CDR) has emerged as a highly effective remedy for the user cold-start challenge, with recently developed diffusion…

信息检索 · 计算机科学 2026-03-04 Xiaodong Li , Juwei Yue , Xinghua Zhang , Jiawei Sheng , Wenyuan Zhang , Taoyu Su , Zefeng Zhang , Tingwen Liu

Cross-domain sequential recommendation is the task of predict the next item that the user is most likely to interact with based on past sequential behavior from multiple domains. One of the key challenges in cross-domain sequential…

信息检索 · 计算机科学 2020-12-08 Muyang Ma , Pengjie Ren , Zhumin Chen , Zhaochun Ren , Lifan Zhao , Jun Ma , Maarten de Rijke

It is a long-standing challenge in modern recommender systems to effectively make recommendations for new users, namely the cold-start problem. Cross-Domain Recommendation (CDR) has been proposed to address this challenge, but current ways…

信息检索 · 计算机科学 2023-10-18 Xin Su , Yao Zhou , Zifei Shan , Qian Chen

The \textit{de facto} paradigm for applying dense retrieval (DR) to new tasks involves fine-tuning a pre-trained model for a specific task. However, this paradigm has two significant limitations: (1) It is difficult adapt the DR to a new…

信息检索 · 计算机科学 2026-02-27 Zhan Su , Fengran Mo , Jinghan Zhang , Yuchen Hui , Jia Ao Sun , Bingbing Wen , Jian-Yun Nie

Recommendation systems have been extensively studied by many literature in the past and are ubiquitous in online advertisement, shopping industry/e-commerce, query suggestions in search engines, and friend recommendation in social networks.…

信息检索 · 计算机科学 2021-05-11 Farzaneh Rajabi , Jack Siyuan He

Reinforcement Learning (RL) provides a framework in which agents can be trained, via trial and error, to solve complex decision-making problems. Learning with little supervision causes RL methods to require large amounts of data, rendering…

机器学习 · 计算机科学 2024-11-22 Sergio A. Serrano , Jose Martinez-Carranza , L. Enrique Sucar

Domain randomization (DR) is widely used in policy learning to improve robustness to modeling error, but remains underexplored in contact-rich sampling-based predictive control (SPC), where rollout quality is highly sensitive to…

机器人学 · 计算机科学 2026-05-06 Sergio A. Esteban , Junheng Li , Vince Kurtz , Aaron D. Ames

Domain adaptation tasks such as cross-domain sentiment classification aim to utilize existing labeled data in the source domain and unlabeled or few labeled data in the target domain to improve the performance in the target domain via…

计算与语言 · 计算机科学 2022-01-03 Dongbo Xi , Fuzhen Zhuang , Ganbin Zhou , Xiaohu Cheng , Fen Lin , Qing He

The purpose of network representation is to learn a set of latent features by obtaining community information from network structures to provide knowledge for machine learning tasks. Recent research has driven significant progress in…

社会与信息网络 · 计算机科学 2019-08-02 Shan Xue , Jie Lu , Guangquan Zhang

Conversational Recommender Systems (CRS) has become an emerging research topic seeking to perform recommendations through interactive conversations, which generally consist of generation and recommendation modules. Prior work on CRS tends…

计算与语言 · 计算机科学 2022-09-26 Lingzhi Wang , Shafiq Joty , Wei Gao , Xingshan Zeng , Kam-Fai Wong

Most existing multi-source domain adaptation (MSDA) methods minimize the distance between multiple source-target domain pairs via feature distribution alignment, an approach borrowed from the single source setting. However, with diverse…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Zhongying Deng , Kaiyang Zhou , Yongxin Yang , Tao Xiang

This paper presents a novel multi-task learning-based method for unsupervised domain adaptation. Specifically, the source and target domain classifiers are jointly learned by considering the geometry of target domain and the divergence…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Jing Zhang , Wanqing Li , Philip Ogunbona

Industry recommender systems usually suffer from highly-skewed long-tail item distributions where a small fraction of the items receives most of the user feedback. This skew hurts recommender quality especially for the item slices without…

信息检索 · 计算机科学 2023-09-06 Yin Zhang , Ruoxi Wang , Tiansheng Yao , Xinyang Yi , Lichan Hong , James Caverlee , Ed H. Chi , Derek Zhiyuan Cheng

We address the problem of cross-domain image retrieval, considering the following practical application: given a user photo depicting a clothing image, our goal is to retrieve the same or attribute-similar clothing items from online…

计算机视觉与模式识别 · 计算机科学 2015-06-01 Junshi Huang , Rogerio S. Feris , Qiang Chen , Shuicheng Yan

In real-world visual recognition problems, the assumption that the training data (source domain) and test data (target domain) are sampled from the same distribution is often violated. This is known as the domain adaptation problem. In this…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Hongyu Xu , Jingjing Zheng , Azadeh Alavi , Rama Chellappa