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The goal of video summarization is to select keyframes that are visually diverse and can represent a whole story of an input video. State-of-the-art approaches for video summarization have mostly regarded the task as a frame-wise keyframe…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Jungin Park , Jiyoung Lee , Ig-Jae Kim , Kwanghoon Sohn

We present a semi-supervised learning framework based on graph embeddings. Given a graph between instances, we train an embedding for each instance to jointly predict the class label and the neighborhood context in the graph. We develop…

机器学习 · 计算机科学 2016-05-30 Zhilin Yang , William W. Cohen , Ruslan Salakhutdinov

Collaborative filtering-based recommender systems that rely on a single type of behavior often encounter serious sparsity issues in real-world applications, leading to unsatisfactory performance. Multi-behavior Recommendation (MBR) is a…

信息检索 · 计算机科学 2023-06-21 Mingshi Yan , Zhiyong Cheng , Jing Sun , Fuming Sun , Yuxin Peng

Dynamic interactions between entities are prevalent in domains like social platforms, financial systems, healthcare, and e-commerce. These interactions can be effectively represented as time-evolving graphs, where predicting future…

机器学习 · 计算机科学 2026-01-21 Sidharth Agarwal , Tanishq Dubey , Shubham Gupta , Srikanta Bedathur

Multimodal recommender systems leverage diverse data sources, such as user interactions, content features, and contextual information, to address challenges like cold-start and data sparsity. However, existing methods often suffer from one…

信息检索 · 计算机科学 2026-02-24 Adamya Shyam , Venkateswara Rao Kagita , Bharti Rana , Vikas Kumar

When a user connects to the Internet to fulfill his needs, he often encounters a huge amount of related information. Recommender systems are the techniques for massively filtering information and offering the items that users find them…

机器学习 · 计算机科学 2021-07-15 Mahdi Kherad , Amir Jalaly Bidgoly

Understanding what graph layout human prefer and why they prefer is significant and challenging due to the highly complex visual perception and cognition system in human brain. In this paper, we present the first machine learning approach…

人机交互 · 计算机科学 2021-03-08 Shijun Cai , Seok-Hee Hong , Jialiang Shen , Tongliang Liu

Pretraining has been widely explored to augment the adaptability of graph learning models to transfer knowledge from large datasets to a downstream task, such as link prediction or classification. However, the gap between training…

信息检索 · 计算机科学 2024-03-29 Mingdai Yang , Zhiwei Liu , Liangwei Yang , Xiaolong Liu , Chen Wang , Hao Peng , Philip S. Yu

Scene text recognition (STR) is an important bridge between images and text, attracting abundant research attention. While convolutional neural networks (CNNS) have achieved remarkable progress in this task, most of the existing works need…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Yue Tao , Zhiwei Jia , Runze Ma , Shugong Xu

Referring video object segmentation aims to segment the object referred by a given language expression. Existing works typically require compressed video bitstream to be decoded to RGB frames before being segmented, which increases…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Weidong Chen , Dexiang Hong , Yuankai Qi , Zhenjun Han , Shuhui Wang , Laiyun Qing , Qingming Huang , Guorong Li

Recommender systems are widely used in industry to improve user experience. Despite great success, they have recently been criticized for collecting private user data. Federated Learning (FL) is a new paradigm for learning on distributed…

机器学习 · 计算机科学 2022-10-26 Junyi Li , Heng Huang

Multi-behavioral recommender systems have emerged as a solution to address data sparsity and cold-start issues by incorporating auxiliary behaviors alongside target behaviors. However, existing models struggle to accurately capture varying…

信息检索 · 计算机科学 2024-04-18 Zhiyong Cheng , Jianhua Dong , Fan Liu , Lei Zhu , Xun Yang , Meng Wang

Video segmentation consists of a frame-by-frame selection process of meaningful areas related to foreground moving objects. Some applications include traffic monitoring, human tracking, action recognition, efficient video surveillance, and…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Daniel F. S. Santos , Rafael G. Pires , Danilo Colombo , João P. Papa

Graphs can inherently model interconnected objects on the Web, thereby facilitating a series of Web applications, such as web analyzing and content recommendation. Recently, Graph Neural Networks (GNNs) have emerged as a mainstream…

计算与语言 · 计算机科学 2024-08-27 Xingtong Yu , Chang Zhou , Yuan Fang , Xinming Zhang

Temporal segmentation of long videos is an important problem, that has largely been tackled through supervised learning, often requiring large amounts of annotated training data. In this paper, we tackle the problem of self-supervised…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Sathyanarayanan N. Aakur , Sudeep Sarkar

The cold-start recommendation is an urgent problem in contemporary online applications. It aims to provide users whose behaviors are literally sparse with as accurate recommendations as possible. Many data-driven algorithms, such as the…

信息检索 · 计算机科学 2021-10-19 Xiaowen Huang , Jitao Sang , Jian Yu , Changsheng Xu

Recent advancements in recommender systems have focused on integrating knowledge graphs (KGs) to leverage their auxiliary information. The core idea of KG-enhanced recommenders is to incorporate rich semantic information for more accurate…

Shared-account Cross-domain Sequential Recommendation (SCSR) task aims to recommend the next item via leveraging the mixed user behaviors in multiple domains. It is gaining immense research attention as more and more users tend to sign up…

信息检索 · 计算机科学 2022-09-09 Lei Guo , Jinyu Zhang , Li Tang , Tong Chen , Lei Zhu , Hongzhi Yin

Sequential recommendation effectively addresses information overload by modeling users' temporal and sequential interaction patterns. To overcome the limitations of supervision signals, recent approaches have adopted self-supervised…

信息检索 · 计算机科学 2024-06-03 Yuxi Liu , Lianghao Xia , Chao Huang

Recommender systems have seen significant advancements with the influence of deep learning and graph neural networks, particularly in capturing complex user-item relationships. However, these graph-based recommenders heavily depend on…

信息检索 · 计算机科学 2024-12-12 Xubin Ren , Wei Wei , Lianghao Xia , Lixin Su , Suqi Cheng , Junfeng Wang , Dawei Yin , Chao Huang