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Cross-domain Recommendation systems leverage multi-domain user interactions to improve performance, especially in sparse data or new user scenarios. However, CDR faces challenges such as effectively capturing user preferences and avoiding…

Information Retrieval · Computer Science 2024-10-10 Junxiong Tong , Mingjia Yin , Hao Wang , Qiushi Pan , Defu Lian , Enhong Chen

Surgical instrument segmentation in robot-assisted surgery (RAS) - especially that using learning-based models - relies on the assumption that training and testing videos are sampled from the same domain. However, it is impractical and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Zixu Zhao , Yueming Jin , Bo Lu , Chi-Fai Ng , Qi Dou , Yun-Hui Liu , Pheng-Ann Heng

Vision-Language Models (VLMs) achieve strong cross-modal performance, yet recent evidence suggests they over-rely on textual descriptions while under-utilizing visual evidence -- a phenomenon termed ``text shortcut learning.'' We propose an…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Lijie Zhou

Multimodal Sentiment Analysis (MSA) fuses text, acoustic, and visual streams to infer sentiment. Because pre-trained text encoders are far more expressive than their acoustic and visual counterparts, the text modality tends to dominate…

Artificial Intelligence · Computer Science 2026-05-28 Jianheng Dai , Jiazhang Liang , Sijie Mai

The increasing complexity of rotating machinery and the diversity of operating conditions, such as rotating speed and varying torques, have amplified the challenges in fault diagnosis in scenarios requiring domain adaptation, particularly…

Signal Processing · Electrical Eng. & Systems 2026-01-06 Wonjun Yi , Wonho Jung , Hyeonuk Nam , Kangmin Jang , Yong-Hwa Park

Large audio-language models (LALMs) show strong zero-shot ability on speech tasks, suggesting promise for speech emotion recognition (SER). However, SER in real-world deployments often fails under domain mismatch, where source data are…

Computation and Language · Computer Science 2025-09-26 Hsiao-Ying Huang , Yi-Cheng Lin , Hung-yi Lee

Unwanted samples from private source categories in the learning objective of a partial domain adaptation setup can lead to negative transfer and reduce classification performance. Existing methods, such as re-weighting or aggregating target…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Sandipan Choudhuri , Arunabha Sen

Meta-learning algorithms enable rapid adaptation to new tasks with minimal data, a critical capability for real-world robotic systems. This paper evaluates Model-Agnostic Meta-Learning (MAML) combined with Trust Region Policy Optimization…

Robotics · Computer Science 2025-11-18 Sanjar Atamuradov

An automated metric to evaluate dialogue quality is vital for optimizing data driven dialogue management. The common approach of relying on explicit user feedback during a conversation is intrusive and sparse. Current models to estimate…

Machine Learning · Computer Science 2019-11-21 Praveen Kumar Bodigutla , Lazaros Polymenakos , Spyros Matsoukas

It remains a critical challenge to adapt policies across domains with mismatched dynamics in reinforcement learning (RL). In this paper, we study cross-domain offline RL, where an offline dataset from another similar source domain can be…

Machine Learning · Computer Science 2026-02-06 Mengbei Yan , Jiafei Lyu , Shengjie Sun , Zhongjian Qiao , Jingwen Yang , Zichuan Lin , Deheng Ye , Xiu Li

Accurate estimation of question difficulty and prediction of student performance play key roles in optimizing educational instruction and enhancing learning outcomes within digital learning platforms. The Elo rating system is widely…

Computers and Society · Computer Science 2024-03-14 Erva Nihan Kandemir , Jill-Jenn Vie , Adam Sanchez-Ayte , Olivier Palombi , Franck Ramus

Adapting visual object detectors to operational target domains is a challenging task, commonly achieved using unsupervised domain adaptation (UDA) methods. Recent studies have shown that when the labeled dataset comes from multiple source…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Atif Belal , Akhil Meethal , Francisco Perdigon Romero , Marco Pedersoli , Eric Granger

Multimodal Sentiment Analysis (MSA) aims to predict sentiment from language, acoustic, and visual data in videos. However, imbalanced unimodal performance often leads to suboptimal fused representations. Existing approaches typically adopt…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Dingkang Yang , Mingcheng Li , Xuecheng Wu , Zhaoyu Chen , Kaixun Jiang , Keliang Liu , Peng Zhai , Lihua Zhang

As an increasingly popular task in multimedia information retrieval, video moment retrieval (VMR) aims to localize the target moment from an untrimmed video according to a given language query. Most previous methods depend heavily on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xiang Fang , Daizong Liu , Pan Zhou , Yuchong Hu

Domain adaptation performance of a learning algorithm on a target domain is a function of its source domain error and a divergence measure between the data distribution of these two domains. We present a study of various distance-based…

Computation and Language · Computer Science 2020-03-05 Han Guo , Ramakanth Pasunuru , Mohit Bansal

Typically, machine learning models are trained and evaluated without making any distinction between users (e.g, using traditional hold-out and cross-validation). However, this produces inaccurate performance metrics estimates in multi-user…

Machine Learning · Computer Science 2023-12-11 Enrique Garcia-Ceja , Luciano Garcia-Banuelos , Nicolas Jourdan

As the volume of data continues to expand, it becomes increasingly common for data to be aggregated from multiple sources. Leveraging multiple sources for model training typically achieves better predictive performance on test datasets.…

Methodology · Statistics 2025-03-05 Congbin Xu , Chengde Qian , Zhaojun Wang , Changliang Zou

Capturing user intent across heterogeneous behavioral domains stands as a fundamental challenge in session-based recommender systems. Yet, existing multi-domain approaches frequently fail to isolate the distinct contribution of cross-domain…

Information Retrieval · Computer Science 2026-04-14 Abderaouf Bahi , Mourad Boughaba , Ibtissem Gasmi , Warda Deghmane , Amel Ourici

Self-training emerges as an important research line on domain adaptation. By taking the model's prediction as the pseudo labels of the unlabeled data, self-training bootstraps the model with pseudo instances in the target domain. However,…

Machine Learning · Computer Science 2023-08-08 Menglong Lu , Zhen Huang , Yunxiang Zhao , Zhiliang Tian , Yang Liu , Dongsheng Li

Collaborative game-based learning environments offer rich opportunities for small-group knowledge construction, yet automatically predicting student collaboration satisfaction remains challenging. A critical barrier is modality degradation:…

Machine Learning · Computer Science 2026-05-19 Wen-Hsin Tsai , Chia-Ming Lee , Yuk-Ying Tung