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User-based Collaborative Filtering (CF) is one of the most popular approaches to create recommender systems. CF, however, suffers from data sparsity and the cold-start problem since users often rate only a small fraction of available items.…

Social and Information Networks · Computer Science 2019-07-29 Tomislav Duricic , Emanuel Lacic , Dominik Kowald , Elisabeth Lex

With the global transformation of the fashion industry and a rise in the demand for fashion items worldwide, the need for an effectual fashion recommendation has never been more. Despite various cutting-edge solutions proposed in the past…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Dhruv Verma , Kshitij Gulati , Rajiv Ratn Shah

Large Language Models (LLMs) have demonstrated remarkable capabilities in reasoning, generalization, and simulating human-like behavior across a wide range of tasks. These strengths present new opportunities to enhance traditional…

Information Retrieval · Computer Science 2025-12-01 Nachiket Subbaraman , Jaskinder Sarai , Aniruddh Nath , Lichan Hong , Lukasz Heldt , Li Wei , Zhe Zhao

Group recommender systems facilitate group decision making for a set of individuals (e.g., a group of friends, a team, a corporation, etc.). Many of these systems, however, either assume that (i) user preferences can be elicited (or…

Artificial Intelligence · Computer Science 2021-03-16 Sarina Sajadi Ghaemmaghami , Amirali Salehi-Abari

Cold-start problem is a fundamental challenge for recommendation tasks. The recent self-supervised learning (SSL) on Graph Neural Networks (GNNs) model, PT-GNN, pre-trains the GNN model to reconstruct the cold-start embeddings and has shown…

Information Retrieval · Computer Science 2022-05-24 Bowen Hao , Hongzhi Yin , Jing Zhang , Cuiping Li , Hong Chen

"High Quality Related Search Query Suggestions" task aims at recommending search queries which are real, accurate, diverse, relevant and engaging. Obtaining large amounts of query-quality human annotations is expensive. Prior work on…

Information Retrieval · Computer Science 2021-08-11 Praveen Kumar Bodigutla

Recent advancements in Large Language Models (LLMs) have shown significant potential in enhancing recommender systems. However, addressing the cold-start recommendation problem, where users lack historical data, remains a considerable…

Information Retrieval · Computer Science 2025-04-29 Hai-Dang Kieu , Minh Duc Nguyen , Thanh-Son Nguyen , Dung D. Le

We propose a reinforcement learning-based approach to optimize conversational strategies for product recommendation across diverse industries. As organizations increasingly adopt intelligent agents to support sales and service operations,…

Information Retrieval · Computer Science 2025-07-03 Kang Liu

Traditional Point-of-Interest (POI) recommendation systems often lack transparency, interpretability, and scrutability due to their reliance on dense vector-based user embeddings. Furthermore, the cold-start problem -- where systems have…

Information Retrieval · Computer Science 2025-06-23 Wilson Wongso , Hao Xue , Flora D. Salim

Recommender systems are a vital tool that helps us to overcome the information overload problem. They are being used by most e-commerce web sites and attract the interest of a broad scientific community. A recommender system uses data on…

Information Retrieval · Computer Science 2017-02-22 Fei Yu , An Zeng , Sebastien Gillard , Matus Medo

Recommender systems leverage both content and user interactions to generate recommendations that fit users' preferences. The recent surge of interest in deep learning presents new opportunities for exploiting these two sources of…

Information Retrieval · Computer Science 2016-08-23 Jeroen B. P. Vuurens , Martha Larson , Arjen P. de Vries

In recent years, the emerging topics of recommender systems that take advantage of natural language processing techniques have attracted much attention, and one of their applications is the Conversational Recommender System (CRS). Unlike…

A common challenge for most current recommender systems is the cold-start problem. Due to the lack of user-item interactions, the fine-tuned recommender systems are unable to handle situations with new users or new items. Recently, some…

Information Retrieval · Computer Science 2020-07-08 Manqing Dong , Feng Yuan , Lina Yao , Xiwei Xu , Liming Zhu

User evaluations include a significant quantity of information across online platforms. This information source has been neglected by the majority of existing recommendation systems, despite its potential to ease the sparsity issue and…

Information Retrieval · Computer Science 2022-06-24 Aristeidis Karras , Christos Karras

In recent years, deep neural network is introduced in recommender systems to solve the collaborative filtering problem, which has achieved immense success on computer vision, speech recognition and natural language processing. On one hand,…

Information Retrieval · Computer Science 2020-10-14 Ge Fan , Wei Zeng , Shan Sun , Biao Geng , Weiyi Wang , Weibo Liu

Recently, malevolent user hacking has become a huge problem for real-world companies. In order to learn predictive models for recommender systems, factorization techniques have been developed to deal with user-item ratings. In this paper,…

Information Retrieval · Computer Science 2022-11-08 Li Wang , Qiang Zhao , Wei Wang

The cold-start problem is quite challenging for existing recommendation models. Specifically, for the new items with only a few interactions, their ID embeddings are trained inadequately, leading to poor recommendation performance. Some…

Information Retrieval · Computer Science 2023-06-09 Haonan Hu , Dazhong Rong , Jianhai Chen , Qinming He , Zhenguang Liu

Cold-start personalization requires inferring user preferences through interaction when no user-specific historical data is available. The core challenge is a routing problem: each task admits dozens of preference dimensions, yet individual…

Computation and Language · Computer Science 2026-02-17 Avinandan Bose , Shuyue Stella Li , Faeze Brahman , Pang Wei Koh , Simon Shaolei Du , Yulia Tsvetkov , Maryam Fazel , Lin Xiao , Asli Celikyilmaz

Enabling autonomous robots to interact in unstructured environments with dynamic objects requires manipulation capabilities that can deal with clutter, changes, and objects' variability. This paper presents a comparison of different…

Robotics · Computer Science 2019-02-01 Michel Breyer , Fadri Furrer , Tonci Novkovic , Roland Siegwart , Juan Nieto

The Internet of Things (IoT) aims at interconnecting everyday objects (including both things and users) and then using this connection information to provide customized user services. However, IoT does not work in its initial stages without…

Information Retrieval · Computer Science 2013-06-04 Daqiang Zhang , Qin Zou , Haoyi Xiong