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Early-stage users in a new scenario intensify cold-start challenges, yet prior works often address only parts of the problem through model architecture. Launching a new user experience to replace an established product involves sparse…

Machine Learning · Computer Science 2026-03-03 Wenhao Zheng , Wang Lu , Fangshuang Tang , Yiyang Lu , Jun Yang , Pengcheng Xiong , Yulan Yan

We present a novel method and analysis to train generative adversarial networks (GAN) in a stable manner. As shown in recent analysis, training is often undermined by the probability distribution of the data being zero on neighborhoods of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Simon Jenni , Paolo Favaro

Conversion objectives in large-scale recommender systems are sparse, making them difficult to optimize. Generative recommendation (GR) partially alleviates data sparsity by organizing multi-type behaviors into a unified token sequence with…

Information Retrieval · Computer Science 2026-03-31 Yulei Huang , Hao Deng , Haibo Xing , Jinxin Hu , Chuanfei Xu , Zulong Chen , Yu Zhang , Xiaoyi Zeng

While personalised recommendations are successful in domains like retail, where large volumes of user feedback on items are available, the generation of automatic recommendations in data-sparse domains, like insurance purchasing, is an open…

Information Retrieval · Computer Science 2022-11-29 Simone Borg Bruun , Maria Maistro , Christina Lioma

In many digital contexts such as online news and e-tailing with many new users and items, recommendation systems face several challenges: i) how to make initial recommendations to users with little or no response history (i.e., cold-start…

Information Retrieval · Computer Science 2023-02-28 Boya Xu , Yiting Deng , Carl Mela

Person re-identification (Re-ID) aims to match the image frames which contain the same person in the surveillance videos. Most of the Re-ID algorithms conduct supervised training in some small labeled datasets, so directly deploying these…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Jianming Lv , Xintong Wang

Generative models are becoming increasingly popular in the literature, with Generative Adversarial Networks (GAN) being the most successful variant, yet. With this increasing demand and popularity, it is becoming equally difficult and…

Machine Learning · Computer Science 2019-12-02 Raunak Sinha , Anush Sankaran , Mayank Vatsa , Richa Singh

Information Retrieval (IR) systems used in search and recommendation platforms frequently employ Learning-to-Rank (LTR) models to rank items in response to user queries. These models heavily rely on features derived from user interactions,…

Information Retrieval · Computer Science 2024-12-11 Randy Ardywibowo , Rakesh Sunki , Lucy Kuo , Sankalp Nayak

In recent years, Generative Adversarial Networks (GANs) have drawn a lot of attentions for learning the underlying distribution of data in various applications. Despite their wide applicability, training GANs is notoriously difficult. This…

Machine Learning · Computer Science 2019-04-23 Babak Barazandeh , Meisam Razaviyayn , Maziar Sanjabi

In recent years, neural networks and other complex models have dominated recommender systems, often setting new benchmarks for state-of-the-art performance. Yet, despite these advancements, award-winning research has demonstrated that…

Information Retrieval · Computer Science 2026-04-20 Pedro R. Pires , Rafael T. Sereicikas , Gregorio F. Azevedo , Tiago A. Almeida

Recommender systems are information retrieval methods that predict user preferences to personalize services. These systems use the feedback and the ratings provided by users to model the behavior of users and to generate recommendations.…

Information Retrieval · Computer Science 2022-03-14 Alireza Gharahighehi , Felipe Kenji Nakano , Celine Vens

In the WWW (World Wide Web), dynamic development and spread of data has resulted a tremendous amount of information available on the Internet, yet user is unable to find relevant information in a short span of time. Consequently, a system…

Information Retrieval · Computer Science 2020-09-11 Denis Selimi , Krenare Pireva Nuci

Shared-account Sequential Recommendation (SSR) aims to provide personalized recommendations for accounts shared by multiple users with varying sequential preferences. Previous studies on SSR struggle to capture the fine-grained associations…

Information Retrieval · Computer Science 2025-04-15 Jinyu Zhang , Zhongying Zhao , Chao Li , Yanwei Yu

The increasing availability of implicit feedback datasets has raised the interest in developing effective collaborative filtering techniques able to deal asymmetrically with unambiguous positive feedback and ambiguous negative feedback. In…

Information Retrieval · Computer Science 2016-12-20 Mirko Polato , Fabio Aiolli

Vibration rendering is essential for creating realistic tactile experiences in human-virtual object interactions, such as in video game controllers and VR devices. By dynamically adjusting vibration parameters based on user actions, these…

Human-Computer Interaction · Computer Science 2025-02-18 Mingxin Zhang , Shun Terui , Yasutoshi Makino , Hiroyuki Shinoda

We propose a novel deep generative model, the Kolmogorov-Smirnov Generative Adversarial Network (KSGAN). Unlike existing approaches, KSGAN formulates the learning process as a minimization of the Kolmogorov-Smirnov (KS) distance,…

Machine Learning · Statistics 2024-07-01 Maciej Falkiewicz , Naoya Takeishi , Alexandros Kalousis

While recommender systems (RSs) traditionally rely on extensive individual user data, regulatory and technological shifts necessitate reliance on aggregated user information. This shift significantly impacts the recommendation process,…

Information Retrieval · Computer Science 2025-02-27 Gur Keinan , Omer Ben-Porat

Diffusion models deliver high quality in image synthesis but remain expensive during training and inference. Recent works have leveraged the inherent redundancy in visual content to make training more affordable by training only on a subset…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Felix Krause , Stefan Andreas Baumann , Johannes Schusterbauer , Olga Grebenkova , Ming Gui , Vincent Tao Hu , Björn Ommer

We propose a Generative Adversarial Network (GAN) that introduces an evaluator module using pre-trained networks. The proposed model, called score-guided GAN (ScoreGAN), is trained with an evaluation metric for GANs, i.e., the Inception…

Machine Learning · Computer Science 2020-05-28 Minhyeok Lee , Junhee Seok

While multivariate logistic regression classifiers are a great way of implementing collaborative filtering - a method of making automatic predictions about the interests of a user by collecting preferences or taste information from many…

Information Retrieval · Computer Science 2024-07-02 Arya Chakraborty
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