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Cross-domain recommendation (CDR) plays a critical role in alleviating the sparsity and cold-start problem and substantially boosting the performance of recommender systems. Existing CDR methods prefer to either learn a common preference…

信息检索 · 计算机科学 2024-08-02 Xiaofei Zhu , Yabo Yin , Li Wang

In e-commerce, the order in which search results are displayed when a customer tries to find relevant listings can significantly impact their shopping experience and search efficiency. Tailored re-ranking system based on relevance and…

信息检索 · 计算机科学 2024-08-27 Siqi Wang , Audrey Zhijiao Chen , Austin Clapp , Sheng-Min Shih , Xiaoting Zhao

In a single-slot recommendation system, users are only exposed to one item at a time, and the system cannot collect user feedback on multiple items simultaneously. Therefore, only pointwise modeling solutions can be adopted, focusing solely…

信息检索 · 计算机科学 2025-06-03 Chao Wang , Yue Zheng , Yujing Zhang , Yan Feng , Zhe Wang , Xiaowei Shi , An You , Yu Chen

To address the annotation scarcity issue in some cases of semantic segmentation, there have been a few attempts to develop the segmentation model in the few-shot learning paradigm. However, most existing methods only focus on the…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Pinzhuo Tian , Zhangkai Wu , Lei Qi , Lei Wang , Yinghuan Shi , Yang Gao

With the explosive growth of Internet data, users are facing the problem of information overload, which makes it a challenge to efficiently obtain the required resources. Recommendation systems have emerged in this context. By filtering…

信息检索 · 计算机科学 2024-10-22 Wenyi Liu , Rui Wang , Yuanshuai Luo , Jianjun Wei , Zihao Zhao , Junming Huang

Stock trend forecasting is a fundamental task of quantitative investment where precise predictions of price trends are indispensable. As an online service, stock data continuously arrive over time. It is practical and efficient to…

统计金融 · 定量金融 2024-04-09 Lifan Zhao , Shuming Kong , Yanyan Shen

Click-through rate (CTR) prediction tasks typically estimate the probability of a user clicking on a candidate item by modeling both user behavior sequence features and the item's contextual features, where the user behavior sequence is…

信息检索 · 计算机科学 2026-03-16 Yi Xu , Chaofan Fan , Moyu Zhang , Jinxin Hu , Jiahao Wang , Hao Zhang , Shizhun Wang , Yu Zhang , Xiaoyi Zeng

Volume prediction is one of the fundamental objectives in the Fintech area, which is helpful for many downstream tasks, e.g., algorithmic trading. Previous methods mostly learn a universal model for different stocks. However, this kind of…

交易与市场微观结构 · 定量金融 2022-11-04 Ruibo Chen , Wei Li , Zhiyuan Zhang , Ruihan Bao , Keiko Harimoto , Xu Sun

Recommender systems are one of the most successful applications of machine learning and data science. They are successful in a wide variety of application domains, including e-commerce, media streaming content, email marketing, and…

信息检索 · 计算机科学 2023-04-04 Juan Pablo Equihua , Maged Ali , Henrik Nordmark , Berthold Lausen

The modeling of users' behaviors is crucial in modern recommendation systems. A lot of research focuses on modeling users' lifelong sequences, which can be extremely long and sometimes exceed thousands of items. These models use the target…

信息检索 · 计算机科学 2024-07-16 Kaiming Shen , Xichen Ding , Zixiang Zheng , Yuqi Gong , Qianqian Li , Zhongyi Liu , Guannan Zhang

Cross-domain sequential recommendation (CDSR) aims to uncover and transfer users' sequential preferences across multiple recommendation domains. While significant endeavors have been made, they primarily concentrated on developing advanced…

信息检索 · 计算机科学 2024-08-22 Mingjia Yin , Hao Wang , Wei Guo , Yong Liu , Zhi Li , Sirui Zhao , Zhen Wang , Defu Lian , Enhong Chen

Product ranking is a crucial component for many e-commerce services. One of the major challenges in product search is the vocabulary mismatch between query and products, which may be a larger vocabulary gap problem compared to other…

信息检索 · 计算机科学 2022-04-04 Xuyang Wu , Alessandro Magnani , Suthee Chaidaroon , Ajit Puthenputhussery , Ciya Liao , Yi Fang

Meta learning is a promising technique for solving few-shot fault prediction problems, which have attracted the attention of many researchers in recent years. Existing meta-learning methods for time series prediction, which predominantly…

机器学习 · 计算机科学 2023-11-07 Hai Su , Jiajun Hu , Songsen Yu

Deep learning recommendation models (DLRMs) are at the heart of the current e-commerce industry. However, the amount of training data used to train these large models is growing exponentially, leading to substantial training hurdles. The…

信息检索 · 计算机科学 2024-07-25 Hossein Entezari Zarch , Abdulla Alshabanah , Chaoyi Jiang , Murali Annavaram

Unlike traditional recommendation tasks, finite user time budgets introduce a critical resource constraint, requiring the recommender system to balance item relevance and evaluation cost. For example, in a mobile shopping interface, users…

机器学习 · 计算机科学 2026-04-15 Sayak Chakrabarty , Souradip Pal

Online stores and service providers rely heavily on recommendation softwares to guide users through the vast amount of available products. Consequently, the field of recommender systems has attracted increased attention from the industry…

信息检索 · 计算机科学 2022-10-17 Abdullah Alhadlaq , Said Kerrache , Hatim Aboalsamh

Assortment optimization is a critical tool for online retailers aiming to maximize revenue. However, optimizing purely for revenue can lead to unbalanced sales across products, potentially causing a long tail of low-selling products and…

计算机科学与博弈论 · 计算机科学 2026-03-16 Omar El Housni , Qing Feng , Huseyin Topaloglu

Accurate click-through rate (CTR) prediction is vital for online advertising and recommendation systems. Recent deep learning advancements have improved the ability to capture feature interactions and understand user interests. However,…

信息检索 · 计算机科学 2025-02-24 Kefan Wang , Hao Wang , Kenan Song , Wei Guo , Kai Cheng , Zhi Li , Yong Liu , Defu Lian , Enhong Chen

The success of recommender systems in modern online platforms is inseparable from the accurate capture of users' personal tastes. In everyday life, large amounts of user feedback data are created along with user-item online interactions in…

机器学习 · 计算机科学 2019-06-25 Xiao Zhou , Danyang Liu , Jianxun Lian , Xing Xie

Access to a large variety of data across a massive population has made it possible to predict customer purchase patterns and responses to marketing campaigns. In particular, accurate demand forecasts for popular products with frequent…

机器学习 · 统计学 2019-01-01 Tianle Chen , Brian Keng , Javier Moreno