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Co-saliency detection aims to discover the common and salient foregrounds from a group of relevant images. For this task, we present a novel adaptive graph convolutional network with attention graph clustering (GCAGC). Three major…

Computer Vision and Pattern Recognition · Computer Science 2020-03-16 Kaihua Zhang , Tengpeng Li , Shiwen Shen , Bo Liu , Jin Chen , Qingshan Liu

To interact with humans in collaborative environments, machines need to be able to predict (i.e., anticipate) future events, and execute actions in a timely manner. However, the observation of the human limb movements may not be sufficient…

Robotics · Computer Science 2020-06-19 Clebeson Canuto , Plinio Moreno , Jorge Samatelo , Raquel Vassallo , José Santos-Victor

Knowledge Tracing (KT) aims to model a student's learning trajectory and predict performance on the next question. A key challenge is how to better represent the relationships among students, questions, and knowledge concepts (KCs).…

Artificial Intelligence · Computer Science 2026-01-26 Chi Yu , Hongyu Yuan , Zhiyi Duan

Although gait recognition has drawn increasing research attention recently, since the silhouette differences are quite subtle in spatial domain, temporal feature representation is crucial for gait recognition. Inspired by the observation…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Duowang Zhu , Xiaohu Huang , Xinggang Wang , Bo Yang , Botao He , Wenyu Liu , Bin Feng

Graphs can facilitate modeling various complex systems such as gene networks and power grids, as well as analyzing the underlying relations within them. Learning over graphs has recently attracted increasing attention, particularly graph…

Machine Learning · Computer Science 2023-03-28 O. Deniz Kose , Yanning Shen

In the realm of heterogeneous mixed autonomy, vehicles experience dynamic spatial correlations and nonlinear temporal interactions in a complex, non-Euclidean space. These complexities pose significant challenges to traditional…

Multiagent Systems · Computer Science 2024-08-19 Xin Gao , Zhaoyang Ma , Xueyuan Li , Xiaoqiang Meng , Zirui Li

Session-based Recommendation (SBR) is to predict users' next interested items based on their previous browsing sessions. Existing methods model sessions as graphs or sequences to estimate user interests based on their interacted items to…

Information Retrieval · Computer Science 2023-01-11 Xiaohan Li , Yuqing Liu , Zheng Liu , Philip S. Yu

Existing Graph Neural Networks (GNNs) compute the message exchange between nodes by either aggregating uniformly (convolving) the features of all the neighboring nodes, or by applying a non-uniform score (attending) to the features. Recent…

Machine Learning · Computer Science 2023-03-02 Adrián Javaloy , Pablo Sanchez-Martin , Amit Levi , Isabel Valera

Click-through rate (CTR) prediction tasks typically estimate the probability of a user clicking on a candidate item by modeling both user behavior sequence features and the item's contextual features, where the user behavior sequence is…

Information Retrieval · Computer Science 2026-03-16 Yi Xu , Chaofan Fan , Moyu Zhang , Jinxin Hu , Jiahao Wang , Hao Zhang , Shizhun Wang , Yu Zhang , Xiaoyi Zeng

Within-basket recommendation reduces the exploration time of users, where the user's intention of the basket matters. The intent of a shopping basket can be retrieved from both user-item collaborative filtering signals and multi-item…

Information Retrieval · Computer Science 2020-05-11 Zhiwei Liu , Mengting Wan , Stephen Guo , Kannan Achan , Philip S. Yu

Graph Neural Networks (GNNs) have become powerful tools in modeling graph-structured data in recommender systems. However, real-life recommendation scenarios usually involve heterogeneous relationships (e.g., social-aware user influence,…

Information Retrieval · Computer Science 2023-03-03 Mengru Chen , Chao Huang , Lianghao Xia , Wei Wei , Yong Xu , Ronghua Luo

Perception of auditory events is inherently multimodal relying on both audio and visual cues. A large number of existing multimodal approaches process each modality using modality-specific models and then fuse the embeddings to encode the…

Sound · Computer Science 2022-07-19 Amir Shirian , Krishna Somandepalli , Victor Sanchez , Tanaya Guha

Gaze estimation is pivotal in human scene comprehension tasks, particularly in medical diagnostic analysis. Eye-tracking technology facilitates the recording of physicians' ocular movements during image interpretation, thereby elucidating…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Shaonan Liu , Wenting Chen , Jie Liu , Xiaoling Luo , Linlin Shen

The rapidly changing landscape of technology and industries leads to dynamic skill requirements, making it crucial for employees and employers to anticipate such shifts to maintain a competitive edge in the labor market. Existing efforts in…

Machine Learning · Computer Science 2024-02-01 Wenshuo Chao , Zhaopeng Qiu , Likang Wu , Zhuoning Guo , Zhi Zheng , Hengshu Zhu , Hao Liu

In graph neural networks (GNNs), message passing iteratively aggregates nodes' information from their direct neighbors while neglecting the sequential nature of multi-hop node connections. Such sequential node connections e.g., metapaths,…

Real-time, accurate prediction of human steering behaviors has wide applications, from developing intelligent traffic systems to deploying autonomous driving systems in both real and simulated worlds. In this paper, we present ContextVAE, a…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Pei Xu , Jean-Bernard Hayet , Ioannis Karamouzas

Learning informative representations (aka. embeddings) of users and items is the core of modern recommender systems. Previous works exploit user-item relationships of one-hop neighbors in the user-item interaction graph to improve the…

Information Retrieval · Computer Science 2021-03-02 Jinbo Song , Chao Chang , Fei Sun , Xinbo Song , Peng Jiang

We introduce HTAD, a novel model for diagnosis prediction using Electronic Health Records (EHR) represented as Heterogeneous Information Networks. Recent studies on modeling EHR have shown success in automatically learning representations…

Machine Learning · Computer Science 2019-12-24 Anahita Hosseini , Tyler Davis , Majid Sarrafzadeh

Student's academic performance prediction empowers educational technologies including academic trajectory and degree planning, course recommender systems, early warning and advising systems. Given a student's past data (such as grades in…

Machine Learning · Computer Science 2020-01-06 Qian Hu , Huzefa Rangwala

In online shopping, ever-changing fashion trends make merchants need to prepare more differentiated products to meet the diversified demands, and e-commerce platforms need to capture the market trend with a prophetic vision. For the trend…

Information Retrieval · Computer Science 2022-02-25 Jiahao Yuan , Zhao Li , Pengcheng Zou , Xuan Gao , Jinwei Pan , Wendi Ji , Xiaoling Wang