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Sequential recommendation aims to model dynamic user behavior from historical interactions. Self-attentive methods have proven effective at capturing short-term dynamics and long-term preferences. Despite their success, these approaches…

Information Retrieval · Computer Science 2022-04-06 Jiacheng Li , Tong Zhao , Jin Li , Jim Chan , Christos Faloutsos , George Karypis , Soo-Min Pantel , Julian McAuley

Recommender systems learn from past user behavior to predict future user preferences. Intuitively, it has been established that the most recent interactions are more indicative of future preferences than older interactions. Many…

Information Retrieval · Computer Science 2025-08-07 Joey De Pauw , Bart Goethals

Recommender Systems are an integral part of music sharing platforms. Often the aim of these systems is to increase the time, the user spends on the platform and hence having a high commercial value. The systems which aim at increasing the…

Information Retrieval · Computer Science 2018-11-21 Noveen Sachdeva , Kartik Gupta , Vikram Pudi

High-throughput material screening for the discovery and design of novel functional materials requires automatized analyses of theoretical and experimental data. Here we study the subject of human-free analyses of one-dimensional…

Materials Science · Physics 2022-01-13 Seong-Heum Park , Hyeong Seon Park , Hyunbok Lee , Heung-Sik Kim

In practical engineering experiments, the data obtained through detectors are inevitably noisy. For the already proposed data-enabled physics-informed neural network (DEPINN) \citep{DEPINN}, we investigate the performance of DEPINN in…

Machine Learning · Computer Science 2023-03-20 Yu Yang , Helin Gong , Qihong Yang , Yangtao Deng , Qiaolin He , Shiquan Zhang

Sequential recommendation leverages interaction sequences to predict forthcoming user behaviors, crucial for crafting personalized recommendations. However, the true preferences of a user are inherently complex and high-dimensional, while…

Information Retrieval · Computer Science 2024-07-26 Shu Chen , Jinwei Luo , Weike Pan , Jiangxing Yu , Xin Huang , Zhong Ming

In modern social media platforms, an effective content recommendation should benefit both creators to bring genuine benefits to them and consumers to help them get really interesting content. To address the limitations of existing methods…

Social and Information Networks · Computer Science 2020-12-10 Wenyi Xiao , Huan Zhao , Haojie Pan , Yangqiu Song , Vincent W. Zheng , Qiang Yang

Analyzing time series in the frequency domain enables the development of powerful tools for investigating the second-order characteristics of multivariate processes. Parameters like the spectral density matrix and its inverse, the coherence…

Methodology · Statistics 2024-01-19 Jonas Krampe , Efstathios Paparoditis

Contrastive learning has proven effective in training sequential recommendation models by incorporating self-supervised signals from augmented views. Most existing methods generate multiple views from the same interaction sequence through…

Information Retrieval · Computer Science 2025-04-24 Yuanpeng Qu , Hajime Nobuhara

In this paper we investigate the frequency sensitivity of Deep Neural Networks (DNNs) when presented with clean samples versus poisoned samples. Our analysis shows significant disparities in frequency sensitivity between these two types of…

Cryptography and Security · Computer Science 2023-03-24 Hasan Abed Al Kader Hammoud , Adel Bibi , Philip H. S. Torr , Bernard Ghanem

User-item interaction histories are pivotal for sequential recommendation systems but often include noise, such as unintended clicks or actions that fail to reflect genuine user preferences. To address this, we propose Learned Item…

Information Retrieval · Computer Science 2025-11-27 Haidong Xin , Zhenghao Liu , Sen Mei , Yukun Yan , Shi Yu , Shuo Wang , Zulong Chen , Yu Gu , Ge Yu , Chenyan Xiong

The main task of personalized recommendation is capturing users' interests based on their historical behaviors. Most of recent advances in recommender systems mainly focus on modeling users' preferences accurately using deep learning based…

Information Retrieval · Computer Science 2020-07-15 Shihao Li , Dekun Yang , Bufeng Zhang

Federated Collaborative Filtering (FedCF) is an emerging field focused on developing a new recommendation framework with preserving privacy in a federated setting. Existing FedCF methods typically combine distributed Collaborative Filtering…

Information Retrieval · Computer Science 2024-12-11 Zhiwei Li , Guodong Long , Tianyi Zhou , Jing Jiang , Chengqi Zhang

The heterogeneous information network (HIN), which contains rich semantics depicted by meta-paths, has emerged as a potent tool for mitigating data sparsity in recommender systems. Existing HIN-based recommender systems operate under the…

Machine Learning · Computer Science 2024-02-29 Bo Yan , Yang Cao , Haoyu Wang , Wenchuan Yang , Junping Du , Chuan Shi

Modeling the sequential correlation of users' historical interactions is essential in sequential recommendation. However, the majority of the approaches mainly focus on modeling the \emph{intra-sequence} item correlation within each…

Information Retrieval · Computer Science 2020-04-30 Feng Liu , Weiwen Liu , Xutao Li , Yunming Ye

Cross-domain recommendation (CDR) aims to address the data-sparsity problem by transferring knowledge across domains. Existing CDR methods generally assume that the user-item interaction data is shareable between domains, which leads to…

Information Retrieval · Computer Science 2024-08-28 Li Wang , Shoujin Wang , Quangui Zhang , Qiang Wu , Min Xu

Sequential recommendations have drawn significant attention in modeling the user's historical behaviors to predict the next item. With the booming development of multimodal data (e.g., image, text) on internet platforms, sequential…

Information Retrieval · Computer Science 2024-12-12 Changhong Li , Zhiqiang Guo

The recommendation has been playing a key role in many industries, e.g., e-commerce, streaming media, social media, etc. Recently, a new recommendation scenario, called Trigger-Induced Recommendation (TIR), where users are able to…

Information Retrieval · Computer Science 2024-08-06 Zhibo Xiao , Luwei Yang , Tao Zhang , Wen Jiang , Wei Ning , Yujiu Yang

Pioneering efforts have verified the effectiveness of the diffusion models in exploring the informative uncertainty for recommendation. Considering the difference between recommendation and image synthesis tasks, existing methods have…

Information Retrieval · Computer Science 2024-01-08 Haokai Ma , Ruobing Xie , Lei Meng , Xin Chen , Xu Zhang , Leyu Lin , Zhanhui Kang

Feed recommendation models are widely adopted by numerous feed platforms to encourage users to explore the contents they are interested in. However, most of the current research simply focus on targeting user's preference and lack in-depth…

Artificial Intelligence · Computer Science 2021-04-20 Huangbin Zhang , Chong Zhao , Yu Zhang , Danlei Wang , Haichao Yang