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Related papers: RETE: Retrieval-Enhanced Temporal Event Forecastin…

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Knowledge graph reasoning is a critical task in natural language processing. The task becomes more challenging on temporal knowledge graphs, where each fact is associated with a timestamp. Most existing methods focus on reasoning at past…

Machine Learning · Computer Science 2020-10-08 Woojeong Jin , Meng Qu , Xisen Jin , Xiang Ren

Delivering superior search services is crucial for enhancing customer experience and driving revenue growth. Conventionally, search systems model user behaviors by combining user preference and query item relevance statically, often through…

Information Retrieval · Computer Science 2025-03-25 Yejing Wang , Chi Zhang , Xiangyu Zhao , Qidong Liu , Maolin Wang , Xuetao Wei , Zitao Liu , Xing Shi , Xudong Yang , Ling Zhong , Wei Lin

Existing prompt-optimization techniques rely on local signals to update behavior, often neglecting broader and recurring patterns across tasks, leading to poor generalization; they further rely on full-prompt rewrites or unstructured…

Software Engineering · Computer Science 2026-03-24 Balaji Dinesh Gangireddi , Aniketh Garikaparthi , Manasi Patwardhan , Arman Cohan

Building universal user representations that capture the essential aspects of user behavior is a crucial task for modern machine learning systems. In real-world applications, a user's historical interactions often serve as the foundation…

Information Retrieval · Computer Science 2025-08-12 Anton Klenitskiy , Artem Fatkulin , Daria Denisova , Anton Pembek , Alexey Vasilev

In recommender systems (RSs), predicting the next item that a user interacts with is critical for user retention. While the last decade has seen an explosion of RSs aimed at identifying relevant items that match user preferences, there is…

Machine Learning · Computer Science 2021-03-02 Zekarias T. Kefato , Sarunas Girdzijauskas , Nasrullah Sheikh , Alberto Montresor

Temporal knowledge graph, serving as an effective way to store and model dynamic relations, shows promising prospects in event forecasting. However, most temporal knowledge graph reasoning methods are highly dependent on the recurrence or…

Artificial Intelligence · Computer Science 2022-12-05 Yi Xu , Junjie Ou , Hui Xu , Luoyi Fu

Next-basket recommendation (NBR) is a type of recommendation that aims to predict a set of items a user will purchase based on their historical transaction basket sequences. It is governed by a dynamic interplay between two distinct user…

Information Retrieval · Computer Science 2026-05-04 Zhiying Deng , Yuan Fu , Usman Farooq , Ziwei Tian , Wei Liu , Jianjun Li

Click-through rate (CTR) prediction plays a key role in modern online personalization services. In practice, it is necessary to capture user's drifting interests by modeling sequential user behaviors to build an accurate CTR prediction…

Information Retrieval · Computer Science 2020-05-29 Jiarui Qin , Weinan Zhang , Xin Wu , Jiarui Jin , Yuchen Fang , Yong Yu

Click-Through Rate (CTR) prediction, crucial in applications like recommender systems and online advertising, involves ranking items based on the likelihood of user clicks. User behavior sequence modeling has marked progress in CTR…

Information Retrieval · Computer Science 2023-08-22 Hengyu Zhang , Chang Meng , Wei Guo , Huifeng Guo , Jieming Zhu , Guangpeng Zhao , Ruiming Tang , Xiu Li

For users navigating travel e-commerce websites, the process of researching products and making a purchase often results in intricate browsing patterns that span numerous sessions over an extended period of time. The resulting clickstream…

Information Retrieval · Computer Science 2024-09-23 William Black , Alexander Manlove , Jack Pennington , Andrea Marchini , Ercument Ilhan , Vilda Markeviciute

Click-through rate (CTR) prediction plays an indispensable role in online platforms. Numerous models have been proposed to capture users' shifting preferences by leveraging user behavior sequences. However, these historical sequences often…

Information Retrieval · Computer Science 2024-04-16 Junjie Huang , Guohao Cai , Jieming Zhu , Zhenhua Dong , Ruiming Tang , Weinan Zhang , Yong Yu

Recommendations are commonly used to modify user's natural behavior, for example, increasing product sales or the time spent on a website. This results in a gap between the ultimate business objective and the classical setup where…

Information Retrieval · Computer Science 2019-05-23 Stephen Bonner , Flavian Vasile

The users often have many product-related questions before they make a purchase decision in E-commerce. However, it is often time-consuming to examine each user review to identify the desired information. In this paper, we propose a novel…

Computation and Language · Computer Science 2019-05-07 Shiqian Chen , Chenliang Li , Feng Ji , Wei Zhou , Haiqing Chen

Recommender systems are a long-standing research problem in data mining and machine learning. They are incremental in nature, as new user-item interaction logs arrive. In real-world applications, we need to periodically train a…

Information Retrieval · Computer Science 2022-11-09 Seoyoung Hong , Minju Jo , Seungji Kook , Jaeeun Jung , Hyowon Wi , Noseong Park , Sung-Bae Cho

While time series diffusion models have received considerable focus from many recent works, the performance of existing models remains highly unstable. Factors limiting time series diffusion models include insufficient time series datasets…

Machine Learning · Computer Science 2024-10-25 Jingwei Liu , Ling Yang , Hongyan Li , Shenda Hong

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…

Information Retrieval · Computer Science 2023-04-04 Juan Pablo Equihua , Maged Ali , Henrik Nordmark , Berthold Lausen

Sequential recommendation aims to leverage users' historical behaviors to predict their next interaction. Existing works have not yet addressed two main challenges in sequential recommendation. First, user behaviors in their rich historical…

Information Retrieval · Computer Science 2023-07-27 Jianxin Chang , Chen Gao , Yu Zheng , Yiqun Hui , Yanan Niu , Yang Song , Depeng Jin , Yong Li

Sequential recommendation aims at understanding user preference by capturing successive behavior correlations, which are usually represented as the item purchasing sequences based on their past interactions. Existing efforts generally…

Information Retrieval · Computer Science 2024-01-23 Yifang Qin , Wei Ju , Hongjun Wu , Xiao Luo , Ming Zhang

Recent advances in path-based explainable recommendation systems have attracted increasing attention thanks to the rich information provided by knowledge graphs. Most existing explainable recommendations only utilize static knowledge graphs…

Information Retrieval · Computer Science 2021-11-25 Yicong Li , Hongxu Chen , Yile Li , Lin Li , Philip S. Yu , Guandong Xu

Click-Through Rate (CTR) prediction models are integral to a myriad of industrial settings, such as personalized search advertising. Current methods typically involve feature extraction from users' historical behavior sequences combined…

Machine Learning · Computer Science 2025-07-16 Lingwei Kong , Lu Wang , Changping Peng , Zhangang Lin , Ching Law , Jingping Shao