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Time series forecasting is a long-standing challenge due to the real-world information is in various scenario (e.g., energy, weather, traffic, economics, earthquake warning). However some mainstream forecasting model forecasting result is…

Artificial Intelligence · Computer Science 2022-12-05 Maowei Jiang , Pengyu Zeng , Kai Wang , Huan Liu , Wenbo Chen , Haoran Liu

Sequential recommendation aims to provide users with personalized suggestions based on their historical interactions. When training sequential models, padding is a widely adopted technique for two main reasons: 1) The vast majority of…

Information Retrieval · Computer Science 2025-07-16 Yizhou Dang , Yuting Liu , Enneng Yang , Guibing Guo , Linying Jiang , Jianzhe Zhao , Xingwei Wang

Sequential Recommendation (SR) plays a pivotal role in recommender systems by tailoring recommendations to user preferences based on their non-stationary historical interactions. Achieving high-quality performance in SR requires attention…

Information Retrieval · Computer Science 2024-08-23 Wuchao Li , Rui Huang , Haijun Zhao , Chi Liu , Kai Zheng , Qi Liu , Na Mou , Guorui Zhou , Defu Lian , Yang Song , Wentian Bao , Enyun Yu , Wenwu Ou

A large number of empirical studies on applying self-attention models in the domain of recommender systems are based on offline evaluation and metrics computed on standardized datasets, without insights on how these models perform in real…

Information Retrieval · Computer Science 2022-11-30 Marjan Celikik , Jacek Wasilewski , Sahar Mbarek , Pablo Celayes , Pierre Gagliardi , Duy Pham , Nour Karessli , Ana Peleteiro Ramallo

Social-based recommendation systems exploit the selections of friends to combat the data sparsity on user preferences, and improve the recommendation accuracy of the collaborative filtering strategy. The main challenge is to capture and…

Information Retrieval · Computer Science 2019-07-04 Dimitrios Rafailidis , Gerhard Weiss

Large language models (LLMs) have recently demonstrated strong potential for sequential recommendation. However, current LLM-based approaches face critical limitations in modeling users' long-term and diverse interests. First, due to…

Information Retrieval · Computer Science 2025-10-30 Jingyi Zhou , Cheng Chen , Kai Zuo , Manjie Xu , Zhendong Fu , Yibo Chen , Xu Tang , Yao Hu

In various web applications like targeted advertising and recommender systems, the available categorical features (e.g., product type) are often of great importance but sparse. As a widely adopted solution, models based on Factorization…

Machine Learning · Computer Science 2019-11-19 Tong Chen , Hongzhi Yin , Quoc Viet Hung Nguyen , Wen-Chih Peng , Xue Li , Xiaofang Zhou

While many production-ready and robust algorithms are available for the task of recommendation systems, many of these systems do not take the order of user's consumption into account. The order of consumption can be very useful and matters…

Information Retrieval · Computer Science 2022-05-03 Mehdi Soleiman Nejad , Meysam Varasteh , Hadi Moradi , Mohammad Amin Sadeghi

Humans can effectively find salient regions in complex scenes. Self-attention mechanisms were introduced into Computer Vision (CV) to achieve this. Attention Augmented Convolutional Network (AANet) is a mixture of convolution and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Runqing Zhang , Tianshu Zhu

The emerging meta- and multi-verse landscape is yet another step towards the more prevalent use of already ubiquitous online markets. In such markets, recommender systems play critical roles by offering items of interest to the users,…

Information Retrieval · Computer Science 2022-09-28 Ehsan Gholami , Mohammad Motamedi , Ashwin Aravindakshan

Recent deep sequential recommendation models often struggle to effectively model key characteristics of user behaviors, particularly in handling sequence length variations and capturing diverse interaction patterns. We propose STAR-Rec, a…

Information Retrieval · Computer Science 2025-05-07 Maolin Wang , Sheng Zhang , Ruocheng Guo , Wanyu Wang , Xuetao Wei , Zitao Liu , Hongzhi Yin , Yi Chang , Xiangyu Zhao

Recent advancements in session-based recommendation models using deep learning techniques have demonstrated significant performance improvements. While they can enhance model sophistication and improve the relevance of recommendations, they…

Machine Learning · Computer Science 2024-11-15 Bhavtosh Rath , Pushkar Chennu , David Relyea , Prathyusha Kanmanth Reddy , Amit Pande

Calibrated recommendation, which aims to maintain personalized proportions of categories within recommendations, is crucial in practical scenarios since it enhances user satisfaction by reflecting diverse interests. However, achieving…

Information Retrieval · Computer Science 2024-08-06 Hyunsik Jeon , Se-eun Yoon , Julian McAuley

Capturing the temporal dynamics of user preferences over items is important for recommendation. Existing methods mainly assume that all time steps in user-item interaction history are equally relevant to recommendation, which however does…

Information Retrieval · Computer Science 2017-09-08 Wenjie Pei , Jie Yang , Zhu Sun , Jie Zhang , Alessandro Bozzon , David M. J. Tax

In this work, we aim to predict human eye fixation with view-free scenes based on an end-to-end deep learning architecture. Although Convolutional Neural Networks (CNNs) have made substantial improvement on human attention prediction, it is…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Wenguan Wang , Jianbing Shen

Mining time-frequency features is critical for time series forecasting. Existing research has predominantly focused on modeling low-frequency patterns, where most time series energy is concentrated. The overlooking of mid to high frequency…

Machine Learning · Computer Science 2026-03-11 Boya Zhang , Shuaijie Yin , Huiwen Zhu , Xing He

This study focuses on the problem of path modeling in heterogeneous information networks and proposes a multi-hop path-aware recommendation framework. The method centers on multi-hop paths composed of various types of entities and…

Information Retrieval · Computer Science 2025-05-12 Hongye Zheng , Yue Xing , Lipeng Zhu , Xu Han , Junliang Du , Wanyu Cui

The increase of available large clinical and experimental datasets has contributed to a substantial amount of important contributions in the area of biomedical image analysis. Image segmentation, which is crucial for any quantitative…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Nikhil Kumar Tomar , Debesh Jha , Michael A. Riegler , Håvard D. Johansen , Dag Johansen , Jens Rittscher , Pål Halvorsen , Sharib Ali

Self-attention based models are widely used in news recommendation tasks. However, previous Attention architecture does not constrain repeated information in the user's historical behavior, which limits the power of hidden representation…

Information Retrieval · Computer Science 2022-06-07 Hao Shi , Zi-Jiao Wang , Lan-Ru Zhai

Modern recommender systems trained on domain-specific data often struggle to generalize across multiple domains. Cross-domain sequential recommendation has emerged as a promising research direction to address this challenge; however,…

Information Retrieval · Computer Science 2026-01-06 Hyunsoo Kim , Jaewan Moon , Seongmin Park , Jongwuk Lee