English
Related papers

Related papers: Denoising Neural Reranker for Recommender Systems

200 papers

Traditional sequential recommendation methods assume that users' sequence data is clean enough to learn accurate sequence representations to reflect user preferences. In practice, users' sequences inevitably contain noise (e.g., accidental…

Information Retrieval · Computer Science 2024-03-08 Chi Zhang , Qilong Han , Rui Chen , Xiangyu Zhao , Peng Tang , Hongtao Song

In practical recommendation scenarios, users often interact with items under multi-typed behaviors (e.g., click, add-to-cart, and purchase). Traditional collaborative filtering techniques typically assume that users only have a single type…

Information Retrieval · Computer Science 2023-02-14 Chi Zhang , Rui Chen , Xiangyu Zhao , Qilong Han , Li Li

Modern large-scale recommender systems employ multi-stage ranking funnel (Retrieval, Pre-ranking, Ranking) to balance engagement and computational constraints (latency, CPU). However, the initial retrieval stage, often relying on efficient…

Information Retrieval · Computer Science 2025-06-10 Amit Jaspal , Qian Dang , Ajantha Ramineni

Modern data-driven recommendation systems risk memorizing sensitive user behavioral patterns, raising privacy concerns. Existing recommendation unlearning methods, while capable of removing target data influence, suffer from inefficient…

Information Retrieval · Computer Science 2025-11-11 Junpeng Zhao , Lin Li , Ming Li , Amran Bhuiyan , Jimmy Huang

In an era dominated by information overload, effective recommender systems are essential for managing the deluge of data across digital platforms. Multi-stage cascade ranking systems are widely used in the industry, with retrieval and…

Information Retrieval · Computer Science 2025-10-14 Junjie Huang , Jizheng Chen , Jianghao Lin , Jiarui Qin , Ziming Feng , Weinan Zhang , Yong Yu

Medical image denoising is considered among the most challenging vision tasks. Despite the real-world implications, existing denoising methods have notable drawbacks as they often generate visual artifacts when applied to heterogeneous…

Image and Video Processing · Electrical Eng. & Systems 2025-03-11 S M A Sharif , Rizwan Ali Naqvi , Woong-Kee Loh

The exponential growth of web content is a major key to the success for Recommender Systems. This paper addresses the challenge of defining noise, which is inherently related to variability in human preferences and behaviors. In classifying…

Information Retrieval · Computer Science 2025-09-24 Clarita Hawat , Wissam Al Jurdi , Jacques Bou Abdo , Jacques Demerjian , Abdallah Makhoul

Two-stage recommender systems are widely adopted in industry due to their scalability and maintainability. These systems produce recommendations in two steps: (i) multiple nominators preselect a small number of items from a large pool using…

Information Retrieval · Computer Science 2020-09-21 Jiri Hron , Karl Krauth , Michael I. Jordan , Niki Kilbertus

Sequential recommender systems (SRSs) aim to suggest next item for a user based on her historical interaction sequences. Recently, many research efforts have been devoted to attenuate the influence of noisy items in sequences by either…

Information Retrieval · Computer Science 2024-06-21 Xiaofei Zhu , Liang Li , Weidong Liu , Xin Luo

Noise is ubiquitous during image acquisition. Sufficient denoising is often an important first step for image processing. In recent decades, deep neural networks (DNNs) have been widely used for image denoising. Most DNN-based image…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Chenyin Gao , Shu Yang , Anru R. Zhang

In real-world scenarios, most platforms collect both large-scale, naturally noisy implicit feedback and small-scale yet highly relevant explicit feedback. Due to the issue of data sparsity, implicit feedback is often the default choice for…

Information Retrieval · Computer Science 2023-05-29 Yingqiang Ge , Mostafa Rahmani , Athirai Irissappane , Jose Sepulveda , James Caverlee , Fei Wang

Deep recommender systems (DRS) are intensively applied in modern web services. To deal with the massive web contents, DRS employs a two-stage workflow: retrieval and ranking, to generate its recommendation results. The retriever aims to…

Information Retrieval · Computer Science 2023-03-30 Xu Huang , Defu Lian , Jin Chen , Zheng Liu , Xing Xie , Enhong Chen

The two main tasks in the Recommender Systems domain are the ranking and rating prediction tasks. The rating prediction task aims at predicting to what extent a user would like any given item, which would enable to recommend the items with…

Information Retrieval · Computer Science 2018-08-07 Guy Hadash , Oren Sar Shalom , Rita Osadchy

The ubiquity of implicit feedback makes them the default choice to build online recommender systems. While the large volume of implicit feedback alleviates the data sparsity issue, the downside is that they are not as clean in reflecting…

Information Retrieval · Computer Science 2021-01-05 Wenjie Wang , Fuli Feng , Xiangnan He , Liqiang Nie , Tat-Seng Chua

Denoising Score Matching estimates the score of a noised version of a target distribution by minimizing a regression loss and is widely used to train the popular class of Denoising Diffusion Models. A well known limitation of Denoising…

Machine Learning · Computer Science 2024-02-14 Valentin De Bortoli , Michael Hutchinson , Peter Wirnsberger , Arnaud Doucet

Although existing neural retrieval models reveal promising results when training data is abundant and the performance keeps improving as training data increases, collecting high-quality annotated data is prohibitively costly. To this end,…

Computation and Language · Computer Science 2023-11-28 Fan Jiang , Tom Drummond , Trevor Cohn

The surge in multimedia content has led to the development of Multi-Modal Recommender Systems (MMRecs), which use diverse modalities such as text, images, videos, and audio for more personalized recommendations. However, MMRecs struggle…

Information Retrieval · Computer Science 2025-04-22 Hongji Li , Hanwen Du , Youhua Li , Junchen Fu , Chunxiao Li , Ziyi Zhuang , Jiakang Li , Yongxin Ni

Recent studies indicate that deep neural networks degrade in generalization performance under noisy supervision. Existing methods focus on isolating clean subsets or correcting noisy labels, facing limitations such as high computational…

Machine Learning · Computer Science 2025-10-30 Kuan Zhang , Chengliang Chai , Jingzhe Xu , Chi Zhang , Han Han , Ye Yuan , Guoren Wang , Lei Cao

There is a rapidly-growing research interest in engaging users with multi-modal data for accurate user modeling on recommender systems. Existing multimedia recommenders have achieved substantial improvements by incorporating various…

Information Retrieval · Computer Science 2023-05-04 Dong Yao , Shengyu Zhang , Zhou Zhao , Jieming Zhu , Wenqiao Zhang , Rui Zhang , Xiaofei He , Fei Wu

Implicit feedback is central to modern recommender systems but is inherently noisy, often impairing model training and degrading user experience. At scale, such noise can mislead learning processes, reducing both recommendation accuracy and…

Information Retrieval · Computer Science 2025-10-13 Ze Liu , Xianquan Wang , Shuochen Liu , Jie Ma , Huibo Xu , Yupeng Han , Kai Zhang , Jun Zhou