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Recommender systems are popular tools for information retrieval tasks on a large variety of web applications and personalized products. In this work, we propose a Generative Adversarial Network based recommendation framework using a…

信息检索 · 计算机科学 2020-12-15 Yao Zhou , Jianpeng Xu , Jun Wu , Zeinab Taghavi Nasrabadi , Evren Korpeoglu , Kannan Achan , Jingrui He

Recommender systems suffer from the cold-start problem whenever a new user joins the platform or a new item is added to the catalog. To address item cold-start, we propose to replace the embedding layer in sequential recommenders with a…

信息检索 · 计算机科学 2024-10-02 Kuba Weimann , Tim O. F. Conrad

A huge amount of user generated content related to movies is created with the popularization of web 2.0. With these continues exponential growth of data, there is an inevitable need for recommender systems as people find it difficult to…

信息检索 · 计算机科学 2019-06-04 Lasitha Uyangoda , Supunmali Ahangama , Tharindu Ranasinghe

The rise of generative artificial intelligence (AI) has facilitated automated product design but often neglects valuable consumer preference data within companies' internal datasets. Additionally, external sources such as social media and…

综合经济学 · 经济学 2025-05-22 Hui Li , Jian Ni , Fangzhu Yang

With the recent advances in Reinforcement Learning (RL), there have been tremendous interests in employing RL for recommender systems. However, directly training and evaluating a new RL-based recommendation algorithm needs to collect users'…

信息检索 · 计算机科学 2019-09-11 Xiangyu Zhao , Long Xia , Lixin Zou , Dawei Yin , Jiliang Tang

The behavior of users in certain services could be a clue that can be used to infer their preferences and may be used to make recommendations for other services they have never used. However, the cross-domain relationships between items and…

机器学习 · 计算机科学 2018-03-09 Heishiro Kanagawa , Hayato Kobayashi , Nobuyuki Shimizu , Yukihiro Tagami , Taiji Suzuki

Cold-start has being a critical issue in recommender systems with the explosion of data in e-commerce. Most existing studies proposed to alleviate the cold-start problem are also known as hybrid recommender systems that learn…

信息检索 · 计算机科学 2020-11-03 Yan Zhang , Ivor W. Tsang , Lixin Duan

There are great interests as well as many challenges in applying reinforcement learning (RL) to recommendation systems. In this setting, an online user is the environment; neither the reward function nor the environment dynamics are clearly…

机器学习 · 计算机科学 2020-01-03 Xinshi Chen , Shuang Li , Hui Li , Shaohua Jiang , Yuan Qi , Le Song

As one of major challenges, cold-start problem plagues nearly all recommender systems. In particular, new items will be overlooked, impeding the development of new products online. Given limited resources, how to utilize the knowledge of…

信息检索 · 计算机科学 2015-06-19 Jin-Hu Liu , Tao Zhou , Zi-Ke Zhang , Zimo Yang , Chuang Liu , Wei-Min Li

Sequential recommenders have made great strides in capturing a user's preferences. Nevertheless, the cold-start recommendation remains a fundamental challenge as they typically involve limited user-item interactions for personalization.…

信息检索 · 计算机科学 2023-08-22 Minchang Kim , Yongjin Yang , Jung Hyun Ryu , Taesup Kim

Collaborative filtering is used to recommend items to a user without requiring a knowledge of the item itself and tends to outperform other techniques. However, collaborative filtering suffers from the cold-start problem, which occurs when…

机器学习 · 计算机科学 2014-06-10 Michael R. Smith , Tony Martinez , Michael Gashler

Many neural-based recommender systems were proposed in recent years and part of them used Generative Adversarial Networks (GAN) to model user-item interactions. However, the exploration of Wasserstein GAN with Gradient Penalty (WGAN-GP) on…

信息检索 · 计算机科学 2022-05-02 Hichem Ammar Khodja , Oussama Boudjeniba

Recommender system is adored in the internet industry as one of the most profitable technologies. Unlike other sectors such as fraud detection in the Fintech industry, recommender system is both deep and broad. In recent years, many…

信息检索 · 计算机科学 2023-07-13 Hao Wang

The cold-start problem remains a critical challenge in real-world recommender systems, as new items with limited interaction data or insufficient information are frequently introduced. Despite recent advances leveraging external knowledge…

信息检索 · 计算机科学 2025-11-26 Wooseong Yang , Weizhi Zhang , Yuqing Liu , Yuwei Han , Yu Wang , Junhyun Lee , Philip S. Yu

In a large recommender system, the products (or items) could be in many different categories or domains. Given two relevant domains (e.g., Book and Movie), users may have interactions with items in one domain but not in the other domain. To…

信息检索 · 计算机科学 2020-05-26 Cheng Zhao , Chenliang Li , Rong Xiao , Hongbo Deng , Aixin Sun

This paper proposes a novel neural network, joint training capsule network (JTCN), for the cold start recommendation task. We propose to mimic the high-level user preference other than the raw interaction history based on the side…

信息检索 · 计算机科学 2020-05-26 Tingting Liang , Congying Xia , Yuyu Yin , Philip S. Yu

Cold-start problem is a fundamental challenge for recommendation tasks. Despite the recent advances on Graph Neural Networks (GNNs) incorporate the high-order collaborative signal to alleviate the problem, the embeddings of the cold-start…

信息检索 · 计算机科学 2020-12-15 Bowen Hao , Jing Zhang , Hongzhi Yin , Cuiping Li , Hong Chen

The initial interaction of a user with a recommender system is problematic because, in such a so-called cold start situation, the recommender system has very little information about the user, if any. Moreover, in collaborative filtering,…

信息检索 · 计算机科学 2023-10-17 Noa Tuval , Alain Hertz , Tsvi Kuflik

A major challenge in collaborative filtering methods is how to produce recommendations for cold items (items with no ratings), or integrate cold item into an existing catalog. Over the years, a variety of hybrid recommendation models have…

信息检索 · 计算机科学 2021-12-15 Oren Barkan , Roy Hirsch , Ori Katz , Avi Caciularu , Jonathan Weill , Noam Koenigstein

Recommender systems struggle to provide accurate suggestions to new users with limited interaction history, a challenge known as the cold-user problem. This paper proposes a reinforcement learning approach using Double and Dueling Deep…

信息检索 · 计算机科学 2025-09-01 Minda Zhao