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Related papers: Next-User Retrieval: Enhancing Cold-Start Recommen…

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Recent advancements in Natural Language Processing (NLP) have led to the development of NLP-based recommender systems that have shown superior performance. However, current models commonly treat items as mere IDs and adopt discriminative…

Information Retrieval · Computer Science 2023-04-11 Jinming Li , Wentao Zhang , Tian Wang , Guanglei Xiong , Alan Lu , Gerard Medioni

The cold-start problem is a long-standing challenge in recommender systems due to the lack of user-item interactions, which significantly hurts the recommendation effect over new users and items. Recently, meta-learning based methods…

Information Retrieval · Computer Science 2024-05-07 Yuxiang Shi , Yue Ding , Bo Chen , Yuyang Huang , Yule Wang , Ruiming Tang , Dong Wang

Recommender systems are an essential component of e-commerce marketplaces, helping consumers navigate massive amounts of inventory and find what they need or love. In this paper, we present an approach for generating personalized item…

Information Retrieval · Computer Science 2021-02-12 Tian Wang , Yuri M. Brovman , Sriganesh Madhvanath

For many recommender systems, the primary data source is a historical record of user clicks. The associated click matrix is often very sparse, as the number of users x products can be far larger than the number of clicks. Such sparsity is…

Information Retrieval · Computer Science 2024-12-12 Julien Monteil , Volodymyr Vaskovych , Wentao Lu , Anirban Majumder , Anton van den Hengel

The cold-start problem is a common challenge for most recommender systems. The practical application of most cold-start methods is hindered by the deficiency in auxiliary content information for users. Moreover, most methods necessitate…

Information Retrieval · Computer Science 2024-09-04 Linan Zheng , Jiale Chen , Pengsheng Liu , Guangfa Zhang , Jinyun Fang

Generative recommender systems have recently emerged as a promising paradigm by formulating next-item prediction as an auto-regressive semantic IDs generation, such as OneRec series works. However, with the next-item-agnostic prediction…

Information Retrieval · Computer Science 2026-04-29 Yu Liu , Jiangxia Cao

In recommender systems, reinforcement learning solutions have shown promising results in optimizing the interaction sequence between users and the system over the long-term performance. For practical reasons, the policy's actions are…

Information Retrieval · Computer Science 2024-06-19 Xiaobei Wang , Shuchang Liu , Xueliang Wang , Qingpeng Cai , Lantao Hu , Han Li , Peng Jiang , Kun Gai , Guangming Xie

Searching for and making decisions about information is becoming increasingly difficult as the amount of information and number of choices increases. Recommendation systems help users find items of interest of a particular type, such as…

Information Retrieval · Computer Science 2011-07-04 M. H. Goker , P. Langley , C. A. Thompson

Pre-ranking is a critical stage in industrial recommendation systems, tasked with efficiently scoring thousands of recalled items for downstream ranking. A key challenge is the train-serving discrepancy: pre-ranking models are trained only…

Information Retrieval · Computer Science 2026-02-25 Junyu Bi , Xinting Niu , Daixuan Cheng , Kun Yuan , Tao Wang , Binbin Cao , Jian Wu , Yuning Jiang

Recommendation systems help users find matched items based on their previous behaviors. Personalized recommendation becomes challenging in the absence of historical user-item interactions, a practical problem for startups known as the…

Information Retrieval · Computer Science 2024-03-06 Xuansheng Wu , Huachi Zhou , Yucheng Shi , Wenlin Yao , Xiao Huang , Ninghao Liu

In recommender systems, a cold-start problem occurs when there is no past interaction record associated with the user or item. Typical solutions to the cold-start problem make use of contextual information, such as user demographic…

Information Retrieval · Computer Science 2021-06-07 Yihong Zhang , Takuya Maekawa , Takahiro Hara

Deep neural network based recommendation systems have achieved great success as information filtering techniques in recent years. However, since model training from scratch requires sufficient data, deep learning-based recommendation…

Information Retrieval · Computer Science 2022-06-10 Chunyang Wang , Yanmin Zhu , Haobing Liu , Tianzi Zang , Jiadi Yu , Feilong Tang

One of the most efficient methods in collaborative filtering is matrix factorization, which finds the latent vector representations of users and items based on the ratings of users to items. However, a matrix factorization based algorithm…

Information Retrieval · Computer Science 2018-05-15 ThaiBinh Nguyen , Atsuhiro Takasu

Online job boards are one of the central components of modern recruitment industry. With millions of candidates browsing through job postings everyday, the need for accurate, effective, meaningful, and transparent job recommendations is…

Information Retrieval · Computer Science 2018-01-03 Walid Shalaby , BahaaEddin AlAila , Mohammed Korayem , Layla Pournajaf , Khalifeh AlJadda , Shannon Quinn , Wlodek Zadrozny

Game recommendation is an important application of recommender systems. Recommendations are made possible by data sets of historical player and game interactions, and sometimes the data sets include features that describe games or players.…

Information Retrieval · Computer Science 2020-09-21 Markus Viljanen , Jukka Vahlo , Aki Koponen , Tapio Pahikkala

Many recent advances in neural information retrieval models, which predict top-K items given a query, learn directly from a large training set of (query, item) pairs. However, they are often insufficient when there are many previously…

The abundance of information in web applications make recommendation essential for users as well as applications. Despite the effectiveness of existing recommender systems, we find two major limitations that reduce their overall…

Information Retrieval · Computer Science 2020-09-01 Dilruk Perera , Roger Zimmermann

Recommender systems help users find relevant items of interest, for example on e-commerce or media streaming sites. Most academic research is concerned with approaches that personalize the recommendations according to long-term user…

Information Retrieval · Computer Science 2018-10-31 Malte Ludewig , Dietmar Jannach

In this paper we propose to solve an important problem in recommendation -- user cold start, based on meta leaning method. Previous meta learning approaches finetune all parameters for each new user, which is both computing and storage…

Information Retrieval · Computer Science 2019-12-10 Liang Zhao , Yang Wang , Daxiang Dong , Hao Tian

One of the main challenges in recommender systems is data sparsity which leads to high variance. Several attempts have been made to improve the bias-variance trade-off using auxiliary information. In particular, document modeling-based…

Information Retrieval · Computer Science 2021-09-14 Meysam Varasteh , Mehdi Soleiman Nejad , Hadi Moradi , Mohammad Amin Sadeghi , Ahmad Kalhor