English
Related papers

Related papers: Zero Shot on the Cold-Start Problem: Model-Agnosti…

200 papers

Conversational recommender systems (CRS) aim to provide the recommendation service via natural language conversations. To develop an effective CRS, high-quality CRS datasets are very crucial. However, existing CRS datasets suffer from the…

Information Retrieval · Computer Science 2023-10-24 Zhipeng Zhao , Kun Zhou , Xiaolei Wang , Wayne Xin Zhao , Fan Pan , Zhao Cao , Ji-Rong Wen

Interactive Recommender Systems (IRS) have been increasingly used in various domains, including personalized article recommendation, social media, and online advertising. However, IRS faces significant challenges in providing accurate…

Information Retrieval · Computer Science 2023-09-06 Jin Zhang , Defu Lian , Hong Xie , Yawen Li , Enhong Chen

Cold-start recommendation remains a central challenge in dynamic, open-world platforms, requiring models to recommend for newly registered users (user cold-start) and to recommend newly introduced items to existing users (item cold-start)…

Information Retrieval · Computer Science 2026-04-07 Zhen Zhang , Jujia Zhao , Xinyu Ma , Xin Xin , Maarten de Rijke , Zhaochun Ren

We introduce Shielded RecRL, a reinforcement learning approach to generate personalized explanations for recommender systems without sacrificing the system's original ranking performance. Unlike prior RLHF-based recommender methods that…

Information Retrieval · Computer Science 2026-01-08 Ansh Tiwari , Ayush Chauhan

Deep Candidate Generation plays an important role in large-scale recommender systems. It takes user history behaviors as inputs and learns user and item latent embeddings for candidate generation. In the literature, conventional methods…

Information Retrieval · Computer Science 2022-11-24 Ningning Li , Qunwei Li , Xichen Ding , Shaohu Chen , Wenliang Zhong

One of the main challenges in Recommender Systems (RSs) is the New User problem which happens when the system has to generate personalised recommendations for a new user whom the system has no information about. Active Learning tries to…

Information Retrieval · Computer Science 2017-01-10 Roberto Pagano , Massimo Quadrana , Mehdi Elahi , Paolo Cremonesi

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…

Information Retrieval · Computer Science 2020-05-26 Tingting Liang , Congying Xia , Yuyu Yin , Philip S. Yu

Multimodal recommender systems utilize various types of information to model user preferences and item features, helping users discover items aligned with their interests. The integration of multimodal information mitigates the inherent…

Information Retrieval · Computer Science 2024-02-20 Shanshan Zhong , Zhongzhan Huang , Daifeng Li , Wushao Wen , Jinghui Qin , Liang Lin

Recommendation emails are among the best ways to re-engage with customers after they have left a website. While on-site recommendation systems focus on finding the most relevant items for a user at the moment (right item), email…

Artificial Intelligence · Computer Science 2016-09-21 Mohammed Korayem , Khalifeh Aljadda , Trey Grainger

Cross-domain recommendation (CDR) aims to address the persistent cold-start problem in Recommender Systems. Current CDR research concentrates on transferring cold-start users' information from the auxiliary domain to the target domain.…

Information Retrieval · Computer Science 2025-07-08 Fan Zhang , Jinpeng Chen , Huan Li , Senzhang Wang , Yuan Cao , Kaimin Wei , JianXiang He , Feifei Kou , Jinqing Wang

Conversational recommendation system (CRS) is emerging as a user-friendly way to capture users' dynamic preferences over candidate items and attributes. Multi-shot CRS is designed to make recommendations multiple times until the user either…

Information Retrieval · Computer Science 2022-07-04 Yinan Zhang , Boyang Li , Yong Liu , You Yuan , Chunyan Miao

Social recommendation leverages social network to complement user-item interaction data for recommendation task, aiming to mitigate the data sparsity issue in recommender systems. However, existing social recommendation methods encounter…

Information Retrieval · Computer Science 2024-05-09 Wenjie Chen , Yi Zhang , Honghao Li , Lei Sang , Yiwen Zhang

In this work, we explore the constructive side of online reviews: advice, tips, requests, and suggestions that users provide about goods, venues, services, and other items of interest. To reduce training costs and annotation efforts needed…

Computation and Language · Computer Science 2023-11-21 Anton Alekseev , Elena Tutubalina , Sejeong Kwon , Sergey Nikolenko

The majority of existing recommender systems rely on user ratings, which are limited by the lack of user collaboration and the sparsity problem. To address these issues, this study proposes a behavior-based recommender system that leverages…

Information Retrieval · Computer Science 2024-03-28 Reza Barzegar Nozari , Mahdi Divsalar , Sepehr Akbarzadeh Abkenar , Mohammadreza Fadavi Amiri , Ali Divsalar

Active preference learning offers an efficient approach to modeling preferences, but it is hindered by the cold-start problem, which leads to a marked decline in performance when no initial labeled data are available. While cold-start…

Machine Learning · Computer Science 2025-11-04 Mojtaba Fayaz-Bakhsh , Danial Ataee , MohammadAmin Fazli

A major challenge in recommender systems is handling new users, whom are also called $\textit{cold-start}$ users. In this paper, we propose a novel approach for learning an optimal series of questions with which to interview cold-start…

Information Retrieval · Computer Science 2018-06-19 Hima Varsha Dureddy , Zachary Kaden

Traditional Recommender Systems (RS) do not consider any personal user information beyond rating history. Such information, on the other hand, is widely available on social networking sites (Facebook, Twitter). As a result, social networks…

Information Retrieval · Computer Science 2016-08-19 Amira Ghenai , Moustafa M. Ghanem

Cross-domain recommendation aims to leverage knowledge from multiple domains to alleviate the data sparsity and cold-start problems in traditional recommender systems. One popular paradigm is to employ overlapping user representations to…

Information Retrieval · Computer Science 2023-01-30 Chuang Zhao , Hongke Zhao , Ming He , Jian Zhang , Jianping Fan

Cross-domain recommendation (CDR) has emerged as a promising solution to the cold-start problem, faced by single-domain recommender systems. However, existing CDR models rely on complex neural architectures, large datasets, and significant…

Information Retrieval · Computer Science 2024-12-02 Ajay Krishna Vajjala , Dipak Meher , Ziwei Zhu , David S. Rosenblum

The growth of recommender systems (RecSys) is driven by digitization and the need for personalized content in areas such as e-commerce and video streaming. The content in these systems often changes rapidly and therefore they constantly…

Information Retrieval · Computer Science 2024-11-15 Shiyu Wang , Hao Ding , Yupeng Gu , Sergul Aydore , Kousha Kalantari , Branislav Kveton