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Session-based recommendation is devoted to characterizing preferences of anonymous users based on short sessions. Existing methods mostly focus on mining limited item co-occurrence patterns exposed by item ID within sessions, while ignoring…

信息检索 · 计算机科学 2023-10-02 Xiaokun Zhang , Bo Xu , Fenglong Ma , Chenliang Li , Liang Yang , Hongfei Lin

Accurate extraction of molecular representations is a critical step in the drug discovery process. In recent years, significant progress has been made in molecular representation learning methods, among which multi-modal molecular…

机器学习 · 计算机科学 2025-05-13 Rong Yin , Ruyue Liu , Xiaoshuai Hao , Xingrui Zhou , Yong Liu , Can Ma , Weiping Wang

Multimodal information (e.g., visual, acoustic, and textual) has been widely used to enhance representation learning for micro-video recommendation. For integrating multimodal information into a joint representation of micro-video,…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Han Liu , Yinwei Wei , Fan Liu , Wenjie Wang , Liqiang Nie , Tat-Seng Chua

Human-centric perception plays a vital role in vision and graphics. But their data annotations are prohibitively expensive. Therefore, it is desirable to have a versatile pre-train model that serves as a foundation for data-efficient…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Fangzhou Hong , Liang Pan , Zhongang Cai , Ziwei Liu

Recommending cold-start items is a long-standing and fundamental challenge in recommender systems. Without any historical interaction on cold-start items, CF scheme fails to use collaborative signals to infer user preference on these items.…

信息检索 · 计算机科学 2021-07-16 Yinwei Wei , Xiang Wang , Qi Li , Liqiang Nie , Yan Li , Xuanping Li , Tat-Seng Chua

The effectiveness of a model is heavily reliant on the quality of the fusion representation of multiple modalities in multimodal sentiment analysis. Moreover, each modality is extracted from raw input and integrated with the rest to…

机器学习 · 计算机科学 2023-12-06 Cong-Duy Nguyen , Thong Nguyen , Duc Anh Vu , Luu Anh Tuan

Recently contrastive learning has shown significant progress in learning visual representations from unlabeled data. The core idea is training the backbone to be invariant to different augmentations of an instance. While most methods only…

计算机视觉与模式识别 · 计算机科学 2021-11-05 Xiaoyang Guo , Tianhao Zhao , Yutian Lin , Bo Du

Multimodal contrastive learning is a methodology for linking different data modalities; the canonical example is linking image and text data. The methodology is typically framed as the identification of a set of encoders, one for each…

机器学习 · 统计学 2025-06-02 Ricardo Baptista , Andrew M. Stuart , Son Tran

Compressive Learning is an emerging topic that combines signal acquisition via compressive sensing and machine learning to perform inference tasks directly on a small number of measurements. Many data modalities naturally have a…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Dat Thanh Tran , Mehmet Yamac , Aysen Degerli , Moncef Gabbouj , Alexandros Iosifidis

Sequential recommendation is one of the important branches of recommender system, aiming to achieve personalized recommended items for the future through the analysis and prediction of users' ordered historical interactive behaviors.…

信息检索 · 计算机科学 2024-05-09 Zeyu Hu , Yuzhi Xiao , Tao Huang , Xuanrong Huo

Unsupervised methods have proven effective for discriminative tasks in a single-modality scenario. In this paper, we present a multimodal framework for learning sparse representations that can capture semantic correlation between…

机器学习 · 计算机科学 2016-03-03 Miriam Cha , Youngjune Gwon , H. T. Kung

Multi-Behavior Recommendation (MBR) leverages multiple user interaction types (e.g., views, clicks, purchases) to enrich preference modeling and alleviate data sparsity issues in traditional single-behavior approaches. However, existing MBR…

信息检索 · 计算机科学 2026-03-27 Ranxu Zhang , Junjie Meng , Ying Sun , Ziqi Xu , Bing Yin , Hao Li , Yanyong Zhang , Chao Wang

Graph based molecular representation learning is essential for accurately predicting molecular properties in drug discovery and materials science; however, it faces significant challenges due to the intricate relationships among molecules…

计算工程、金融与科学 · 计算机科学 2025-05-28 Zhengyang Zhou , Yunrui Li , Pengyu Hong , Hao Xu

With the advancement of artificial intelligence and computer vision technologies, multimodal emotion recognition has become a prominent research topic. However, existing methods face challenges such as heterogeneous data fusion and the…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Wei Dai , Dequan Zheng , Feng Yu , Yanrong Zhang , Yaohui Hou

We present a multimodal framework to learn general audio representations from videos. Existing contrastive audio representation learning methods mainly focus on using the audio modality alone during training. In this work, we show that…

声音 · 计算机科学 2021-04-29 Luyu Wang , Pauline Luc , Adria Recasens , Jean-Baptiste Alayrac , Aaron van den Oord

Remote sensing image interpretation plays a critical role in environmental monitoring, urban planning, and disaster assessment. However, acquiring high-quality labeled data is often costly and time-consuming. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Guanzhou Chen , Xiaodong Zhang , Chenxi Liu , Jiaqi Wang , Xiaoliang Tan , Wenchao Guo , Qingyuan Yang , Kaiqi Zhang

Predicting socioeconomic indicators within urban regions is crucial for fostering inclusivity, resilience, and sustainability in cities and human settlements. While pioneering studies have attempted to leverage multi-modal data for…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Xixian Yong , Xiao Zhou

Multi-modal contrastive learning with language supervision has presented a paradigm shift in modern machine learning. By pre-training on a web-scale dataset, multi-modal contrastive learning can learn high-quality representations that…

机器学习 · 计算机科学 2024-11-06 Wei Huang , Andi Han , Yongqiang Chen , Yuan Cao , Zhiqiang Xu , Taiji Suzuki

Complex instruction-following with elaborate constraints is imperative for Large Language Models (LLMs). While existing methods have constructed data for complex instruction alignment, they all rely on a more advanced model, especially…

计算与语言 · 计算机科学 2025-06-02 Hui Huang , Jiaheng Liu , Yancheng He , Shilong Li , Bing Xu , Conghui Zhu , Muyun Yang , Tiejun Zhao

Multimodal learning often grapples with the challenge of low-quality data, which predominantly manifests as two facets: modality imbalance and noisy corruption. While these issues are often studied in isolation, we argue that they share a…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Xun Jiang , Yufan Gu , Disen Hu , Yuqing Hou , Yazhou Yao , Fumin Shen , Heng Tao Shen , Xing Xu