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As user behavior data becomes increasingly scattered across different platforms, achieving cross-domain knowledge fusion while preserving privacy has become a critical issue in recommender systems. Existing PPCDR methods usually rely on…

Information Retrieval · Computer Science 2026-05-07 Lei Guo , Ting Yang , Xu Yu , Xiaohui Han , Guiyuan Jiang , Hui Liu

Recent advancements in explainable machine learning provide effective and faithful solutions for interpreting model behaviors. However, many explanation methods encounter efficiency issues, which largely limit their deployments in practical…

Machine Learning · Computer Science 2023-03-07 Yu-Neng Chuang , Guanchu Wang , Fan Yang , Quan Zhou , Pushkar Tripathi , Xuanting Cai , Xia Hu

Generalised 3D Referring Expression Segmentation (3D-GRES) localizes objects in 3D scenes based on natural language, even when descriptions match multiple or zero targets. Existing methods rely solely on sparse point clouds, lacking rich…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Keshen Zhou , Runnan Chen , Mingming Gong , Tongliang Liu

Relational inference aims to identify interactions between parts of a dynamical system from the observed dynamics. Current state-of-the-art methods fit the dynamics with a graph neural network (GNN) on a learnable graph. They use one-step…

Machine Learning · Computer Science 2023-12-21 Liming Pan , Cheng Shi , Ivan Dokmanić

Spoken language understanding (SLU) is a core task in task-oriented dialogue systems, which aims at understanding the user's current goal through constructing semantic frames. SLU usually consists of two subtasks, including intent detection…

Computation and Language · Computer Science 2024-06-03 Xuxin Cheng , Wanshi Xu , Zhihong Zhu , Hongxiang Li , Yuexian Zou

Medical image representations can be learned through medical vision-language contrastive learning (mVLCL) where medical imaging reports are used as weak supervision through image-text alignment. These learned image representations can be…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Mingjian Li , Mingyuan Meng , Michael Fulham , David Dagan Feng , Lei Bi , Jinman Kim

Despite attempts to make Large Language Models multi-lingual, many of the world's languages are still severely under-resourced. This widens the performance gap between NLP and AI applications aimed at well-financed, and those aimed at…

Computation and Language · Computer Science 2024-11-05 Muhammed Saeed , Peter Bourgonje , Vera Demberg

Text classification plays an important role in various downstream text-related tasks, such as sentiment analysis, fake news detection, and public opinion analysis. Recently, text classification based on Graph Neural Networks (GNNs) has made…

Computation and Language · Computer Science 2025-12-24 Zuo Wang , Ye Yuan

Large Language Models (LLMs) have achieved impressive capabilities in language understanding and generation, yet they continue to underperform on knowledge-intensive reasoning tasks due to limited access to structured context and multi-hop…

Computation and Language · Computer Science 2025-06-26 Travis Thompson , Seung-Hwan Lim , Paul Liu , Ruoying He , Dongkuan Xu

Implicit discourse relation recognition is a challenging task as the relation prediction without explicit connectives in discourse parsing needs understanding of text spans and cannot be easily derived from surface features from the input…

Computation and Language · Computer Science 2018-07-17 Hongxiao Bai , Hai Zhao

Emotional support conversation aims at reducing the emotional distress of the help-seeker, which is a new and challenging task. It requires the system to explore the cause of help-seeker's emotional distress and understand their…

Computation and Language · Computer Science 2022-11-09 Wei Peng , Yue Hu , Luxi Xing , Yuqiang Xie , Yajing Sun , Yunpeng Li

Generalized text representations are the foundation of many natural language understanding tasks. To fully utilize the different corpus, it is inevitable that models need to understand the relevance among them. However, many methods ignore…

Computation and Language · Computer Science 2022-08-22 Zhaoye Fei , Yu Tian , Yongkang Wu , Xinyu Zhang , Yutao Zhu , Zheng Liu , Jiawen Wu , Dejiang Kong , Ruofei Lai , Zhao Cao , Zhicheng Dou , Xipeng Qiu

Contrastive Language-Image Pre-training (CLIP) has achieved success on multiple downstream tasks by aligning image and text modalities. However, the nature of global contrastive learning limits CLIP's ability to comprehend compositional…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiaoxing Hu , Kaicheng Yang , Jun Wang , Haoran Xu , Ziyong Feng , Yupei Wang

Rhetorical Role Labeling (RRL) identifies the functional role of each sentence in a document, a key task for discourse understanding in domains such as law and medicine. While hierarchical models capture local dependencies effectively, they…

Computation and Language · Computer Science 2026-03-05 Anas Belfathi , Nicolas Hernandez , Laura Monceaux , Warren Bonnard , Mary Catherine Lavissiere , Christine Jacquin , Richard Dufour

Open-vocabulary Scene Graph Generation (OV-SGG) overcomes the limitations of the closed-set assumption by aligning visual relationship representations with open-vocabulary textual representations. This enables the identification of novel…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Tao Liu , Rongjie Li , Chongyu Wang , Xuming He

Foundation models have achieved great success in natural language processing (NLP) and computer vision (CV). Their success largely stems from the ability to integrate multi-domain knowledge in pre-training and transfer it to target domains.…

Computation and Language · Computer Science 2025-07-01 Zihao Zhao , Xinlong Zhai , Jinyu Yang , Chuan Shi

Audio-visual segmentation (AVS) aims to segment objects in videos based on audio cues. Existing AVS methods are primarily designed to enhance interaction efficiency but pay limited attention to modality representation discrepancies and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Mingfeng Zha , Tianyu Li , Guoqing Wang , Peng Wang , Yangyang Wu , Yang Yang , Heng Tao Shen

Large Language Models (LLMs) adapted via contrastive learning excel in general representation learning but struggle in vertical domains like chemistry and law, primarily due to a lack of domain-specific knowledge. This work identifies a…

Information Retrieval · Computer Science 2026-01-19 Xiaoyu Liang , Yuchen Peng , Jiale Luo , Wenhao Wang , Haoji Hu , Xincheng Zhou

Multi-modal semantic understanding requires integrating information from different modalities to extract users' real intention behind words. Most previous work applies a dual-encoder structure to separately encode image and text, but fails…

Computation and Language · Computer Science 2024-03-12 Ming Zhang , Ke Chang , Yunfang Wu

Large Language Models (LLMs) excel at intuitive, implicit reasoning. Guiding LLMs to construct thought chains can enhance their deliberate reasoning abilities, but also faces challenges such as hallucination. Knowledge Graphs (KGs) can…

Computation and Language · Computer Science 2025-03-07 Guangyi Liu , Yongqi Zhang , Yong Li , Quanming Yao