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When a user connects to the Internet to fulfill his needs, he often encounters a huge amount of related information. Recommender systems are the techniques for massively filtering information and offering the items that users find them…

Machine Learning · Computer Science 2021-07-15 Mahdi Kherad , Amir Jalaly Bidgoly

Conversational Recommender Systems (CRSs) in E-commerce platforms aim to recommend items to users via multiple conversational interactions. Click-through rate (CTR) prediction models are commonly used for ranking candidate items. However,…

Information Retrieval · Computer Science 2021-05-03 Chi-Man Wong , Fan Feng , Wen Zhang , Chi-Man Vong , Hui Chen , Yichi Zhang , Peng He , Huan Chen , Kun Zhao , Huajun Chen

Cross-domain recommendation offers a potential avenue for alleviating data sparsity and cold-start problems. Embedding and mapping, as a classic cross-domain research genre, aims to identify a common mapping function to perform…

Information Retrieval · Computer Science 2024-06-25 Chuang Zhao , Hongke Zhao , Ming He , Xiaomeng Li , Jianping Fan

In today's tech-savvy world every industry is trying to formulate methods for recommending products by combining several techniques and algorithms to form a pool that would bring forward the most enhanced models for making the predictions.…

Information Retrieval · Computer Science 2021-08-16 Rohan Parasrampuria , Ayan Ghosh , Suchandra Dutta , Dhrubasish Sarkar

Collaborative Filtering (CF) has emerged as one of the most prominent implementation strategies for building recommender systems. The key idea is to exploit the usage patterns of individuals to generate personalized recommendations. CF…

Information Retrieval · Computer Science 2025-02-18 Adamya Shyam , Ramya Kamani , Venkateswara Rao Kagita , Vikas Kumar

Selecting appropriate physical models is a critical yet difficult step in many areas of computational science and engineering. In multiphase Computational Fluid Dynamics (CFD), practitioners must choose among numerous closure model…

Information Retrieval · Computer Science 2026-04-13 S. Hänsch , A. Sajdoková , A. Rębowski , F. Miškařík , K. Ramakrishna , F. Schlegel , V. Rybář , R. Alves , P. Kordík

Over the past decade, many startups have sprung up, which create a huge demand for financial support from venture investors. However, due to the information asymmetry between investors and companies, the financing process is usually…

Information Retrieval · Computer Science 2020-01-17 Shuqi Xu , Qianming Zhang , Linyuan Lv , Manuel Sebastian Mariani

Data sparsity is an important issue for click-through rate (CTR) prediction, particularly when user-item interactions is too sparse to learn a reliable model. Recently, many works on cross-domain CTR (CDCTR) prediction have been developed…

Information Retrieval · Computer Science 2023-05-10 Xu Chen , Zida Cheng , Shuai Xiao , Xiaoyi Zeng , Weilin Huang

Large-scale Electronic Health Record (EHR) databases have become indispensable in supporting clinical decision-making through data-driven treatment recommendations. However, existing medication recommender methods often struggle with a user…

Machine Learning · Computer Science 2026-02-02 Arya Hadizadeh Moghaddam , Mohsen Nayebi Kerdabadi , Dongjie Wang , Mei Liu , Zijun Yao

Cross-Domain Image Retrieval (CDIR) is a challenging task in computer vision, aiming to match images across different visual domains such as sketches, paintings, and photographs. Existing CDIR methods rely either on supervised learning with…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Lucas Iijima , Nikolaos Giakoumoglou , Tania Stathaki

Background: Identifying new indications for approved drugs is a complex and time-consuming process that requires extensive knowledge of pharmacology, clinical data, and advanced computational methods. Recently, deep learning (DL) methods…

Machine Learning · Computer Science 2025-11-13 Shuting Jin , Yi Jiang , Yimin Liu , Tengfei Ma , Dongsheng Cao , Leyi Wei , Xiangrong Liu , Xiangxiang Zeng

Cross-domain recommendation is an important method to improve recommender system performance, especially when observations in target domains are sparse. However, most existing techniques focus on single-target or dual-target cross-domain…

Information Retrieval · Computer Science 2022-11-23 Chenglin Li , Yuanzhen Xie , Chenyun Yu , Bo Hu , Zang li , Guoqiang Shu , Xiaohu Qie , Di Niu

Cross-Domain Sequential Recommendation (CDSR) predicts user behavior by leveraging historical interactions across multiple domains, focusing on modeling cross-domain preferences and capturing both intra- and inter-sequence item…

Information Retrieval · Computer Science 2026-03-02 Wangyu Wu , Zhenhong Chen , Wenqiao Zhang , Xianglin Qiu , Siqi Song , Xiaowei Huang , Fei Ma , Jimin Xiao

Information Retrieval (IR) practitioners often train separate ranking models for different domains (geographic regions, languages, stores, websites,...) as it is believed that exclusively training on in-domain data yields the best…

Information Retrieval · Computer Science 2024-07-02 Paul Missault , Abdelmaseeh Felfel

In the recommendation systems, there are multiple business domains to meet the diverse interests and needs of users, and the click-through rate(CTR) of each domain can be quite different, which leads to the demand for CTR prediction…

Information Retrieval · Computer Science 2023-06-30 Wei Zhang , Pengye Zhang , Bo Zhang , Xingxing Wang , Dong Wang

Recently, real-world recommendation systems need to deal with millions of candidates. It is extremely challenging to conduct sophisticated end-to-end algorithms on the entire corpus due to the tremendous computation costs. Therefore,…

Information Retrieval · Computer Science 2021-10-15 Ruobing Xie , Qi Liu , Shukai Liu , Ziwei Zhang , Peng Cui , Bo Zhang , Leyu Lin

Collaborative Filtering (CF) is widely used in large-scale recommendation engines because of its efficiency, accuracy and scalability. However, in practice, the fact that recommendation engines based on CF require interactions between users…

Information Retrieval · Computer Science 2016-11-18 Jianbo Yuan , Walid Shalaby , Mohammed Korayem , David Lin , Khalifeh AlJadda , Jiebo Luo

Large-scale e-commercial platforms in the real-world usually contain various recommendation scenarios (domains) to meet demands of diverse customer groups. Multi-Domain Recommendation (MDR), which aims to jointly improve recommendations on…

Information Retrieval · Computer Science 2023-03-08 Linhao Luo , Yumeng Li , Buyu Gao , Shuai Tang , Sinan Wang , Jiancheng Li , Tanchao Zhu , Jiancai Liu , Zhao Li , Shirui Pan

Conversational recommender systems (CRS) explicitly solicit users' preferences for improved recommendations on the fly. Most existing CRS solutions count on a single policy trained by reinforcement learning for a population of users.…

Artificial Intelligence · Computer Science 2023-02-17 Zhendong Chu , Hongning Wang , Yun Xiao , Bo Long , Lingfei Wu

Cross-Domain Sequential Recommendation (CDSR) improves recommendation performance by utilizing information from multiple domains, which contrasts with Single-Domain Sequential Recommendation (SDSR) that relies on a historical interaction…

Information Retrieval · Computer Science 2024-07-25 Chung Park , Taesan Kim , Hyungjun Yoon , Junui Hong , Yelim Yu , Mincheol Cho , Minsung Choi , Jaegul Choo