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Sequential recommendation systems aim to predict users' next likely interaction based on their history. However, these systems face data sparsity and cold-start problems. Utilizing data from other domains, known as multi-domain methods, is…

Information Retrieval · Computer Science 2025-02-20 Zuoli Tang , Zhaoxin Huan , Zihao Li , Xiaolu Zhang , Jun Hu , Chilin Fu , Jun Zhou , Lixin Zou , Chenliang Li

The recent advancements in Large Language Models (LLMs) have sparked interest in harnessing their potential within recommender systems. Since LLMs are designed for natural language tasks, existing recommendation approaches have…

Information Retrieval · Computer Science 2023-12-06 Xinhang Li , Chong Chen , Xiangyu Zhao , Yong Zhang , Chunxiao Xing

With the recent increase in data online, discovering meaningful opportunities can be time-consuming and complicated for many individuals. To overcome this data overload challenge, we present a novel text-content-based recommender system as…

Information Retrieval · Computer Science 2017-11-22 Kazem Qazanfari , Abdou Youssef , Kai Keane , Joseph Nelson

We address how to robustly interpret natural language refinements (or critiques) in recommender systems. In particular, in human-human recommendation settings people frequently use soft attributes to express preferences about items,…

Information Retrieval · Computer Science 2021-05-20 Krisztian Balog , Filip Radlinski , Alexandros Karatzoglou

Over the past decade, recommender systems have experienced a surge in popularity. Despite notable progress, they grapple with challenging issues, such as high data dimensionality and sparseness. Representing users and items as…

Information Retrieval · Computer Science 2025-07-28 Pedro R. Pires , Tiago A. Almeida

Recommender systems in multi-behavior domains, such as advertising and e-commerce, aim to guide users toward high-value but inherently sparse conversions. Leveraging auxiliary behaviors (e.g., clicks, likes, shares) is therefore essential.…

Information Retrieval · Computer Science 2025-11-06 Zhefan Wang , Guokai Yan , Jinbei Yu , Siyu Gu , Jingyan Chen , Peng Jiang , Zhiqiang Guo , Min Zhang

Feedback is crucial for every design process, such as user interface (UI) design, and automating design critiques can significantly improve the efficiency of the design workflow. Although existing multimodal large language models (LLMs)…

Artificial Intelligence · Computer Science 2025-05-26 Peitong Duan , Chin-Yi Cheng , Bjoern Hartmann , Yang Li

Integrating product catalogs and user behavior into LLMs can enhance recommendations with broad world knowledge, but the scale of real-world item catalogs, often containing millions of discrete item identifiers (Item IDs), poses a…

Information Retrieval · Computer Science 2025-09-05 Anushya Subbiah , Vikram Aggarwal , James Pine , Steffen Rendle , Krishna Sayana , Kun Su

Many recommendation systems limit user inputs to text strings or behavior signals such as clicks and purchases, and system outputs to a list of products sorted by relevance. With the advent of generative AI, users have come to expect richer…

We address the problem of recommending relevant items to a user in order to "complete" a partial set of items already known. We consider the two scenarios of citation and subject label recommendation, which resemble different semantics of…

Information Retrieval · Computer Science 2021-05-11 Iacopo Vagliano , Lukas Galke , Ansgar Scherp

Personalization of natural language generation plays a vital role in a large spectrum of tasks, such as explainable recommendation, review summarization and dialog systems. In these tasks, user and item IDs are important identifiers for…

Information Retrieval · Computer Science 2021-06-09 Lei Li , Yongfeng Zhang , Li Chen

Recommender systems are indispensable for helping users navigate the immense item catalogs of modern online platforms. Recently, generative recommendation has emerged as a promising paradigm, unifying the conventional retrieve-and-rank…

Information Retrieval · Computer Science 2025-09-12 Dengzhao Fang , Jingtong Gao , Chengcheng Zhu , Yu Li , Xiangyu Zhao , Yi Chang

Semantic segmentation takes pivotal roles in various applications such as autonomous driving and medical image analysis. When deploying segmentation models in practice, it is critical to test their behaviors in varied and complex scenes in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Zijin Yin , Bing Li , Kongming Liang , Hao Sun , Zhongjiang He , Zhanyu Ma , Jun Guo

Estimating the gradients of stochastic nodes in stochastic computational graphs is one of the crucial research questions in the deep generative modeling community, which enables the gradient descent optimization on neural network…

Machine Learning · Computer Science 2023-02-23 Weonyoung Joo , Dongjun Kim , Seungjae Shin , Il-Chul Moon

Recent years have witnessed success of sequential modeling, generative recommender, and large language model for recommendation. Though the scaling law has been validated for sequential models, it showed inefficiency in computational…

Sequential recommendation aims to capture user preferences by modeling sequential patterns in user-item interactions. However, these models are often influenced by noise such as accidental interactions, leading to suboptimal performance.…

Information Retrieval · Computer Science 2025-10-07 Tongzhou Wu , Yuhao Wang , Maolin Wang , Chi Zhang , Xiangyu Zhao

Traditional sparse and dense retrieval methods struggle to leverage general world knowledge and often fail to capture the nuanced features of queries and products. With the advent of large language models (LLMs), industrial search systems…

Information Retrieval · Computer Science 2025-07-14 Ming Pang , Chunyuan Yuan , Xiaoyu He , Zheng Fang , Donghao Xie , Fanyi Qu , Xue Jiang , Changping Peng , Zhangang Lin , Ching Law , Jingping Shao

Generative Adversarial Networks (GAN) have limitations when the goal is to generate sequences of discrete elements. The reason for this is that samples from a distribution on discrete objects such as the multinomial are not differentiable…

Machine Learning · Statistics 2016-11-16 Matt J. Kusner , José Miguel Hernández-Lobato

Large language models (LLMs) open up new horizons for sequential recommendations, owing to their remarkable language comprehension and generation capabilities. However, there are still numerous challenges that should be addressed to…

Information Retrieval · Computer Science 2024-03-29 Yuling Wang , Changxin Tian , Binbin Hu , Yanhua Yu , Ziqi Liu , Zhiqiang Zhang , Jun Zhou , Liang Pang , Xiao Wang

Recommender systems have seen significant advancements with the influence of deep learning and graph neural networks, particularly in capturing complex user-item relationships. However, these graph-based recommenders heavily depend on…

Information Retrieval · Computer Science 2024-12-12 Xubin Ren , Wei Wei , Lianghao Xia , Lixin Su , Suqi Cheng , Junfeng Wang , Dawei Yin , Chao Huang