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In the era of data-driven decision-making, accurate table-level representations and efficient table recommendation systems are becoming increasingly crucial for improving table management, discovery, and analysis. However, existing…

Machine Learning · Computer Science 2024-11-07 Dayu Yang , Natawut Monaikul , Amanda Ding , Bozhao Tan , Kishore Mosaliganti , Giri Iyengar

We introduce SAGE; a Generative LLM for inferring attribute values for products across world-wide e-Commerce catalogs. We introduce a novel formulation of the attribute-value prediction problem as a Seq2Seq summarization task, across…

Information Retrieval · Computer Science 2023-09-13 Athanasios N. Nikolakopoulos , Swati Kaul , Siva Karthik Gade , Bella Dubrov , Umit Batur , Suleiman Ali Khan

The training paradigm integrating large language models (LLM) is gradually reshaping sequential recommender systems (SRS) and has shown promising results. However, most existing LLM-enhanced methods rely on rich textual information on the…

Information Retrieval · Computer Science 2024-10-17 Dugang Liu , Shenxian Xian , Xiaolin Lin , Xiaolian Zhang , Hong Zhu , Yuan Fang , Zhen Chen , Zhong Ming

Accurate and safe medication recommendations are critical for effective clinical decision-making, especially in multimorbidity cases. However, existing systems rely on point-wise prediction paradigms that overlook synergistic drug effects…

Machine Learning · Computer Science 2026-05-19 Chenxiao Fan , Chongming Gao , Wentao Shi , Yaxin Gong , Zihao Zhao , Fuli Feng

Serendipity-oriented recommender systems aim to counteract over-specialization in user preferences. However, evaluating a user's serendipitous response towards a recommended item can be challenging because of its emotional nature. In this…

Information Retrieval · Computer Science 2024-12-18 Yu Tokutake , Kazushi Okamoto

This study explores automatic generation (AIG) using language models to create multiple choice questions (MCQs) for morphological assessment, aiming to reduce the cost and inconsistency of manual test development. The study used a two-fold…

Computation and Language · Computer Science 2025-08-29 Mohammad Amini , Babak Ahmadi , Xiaomeng Xiong , Yilin Zhang , Christopher Qiao

Bundle recommendation aims to suggest a set of interconnected items to users. However, diverse interaction types and sparse interaction matrices often pose challenges for previous approaches in accurately predicting user-bundle adoptions.…

Information Retrieval · Computer Science 2024-12-25 Tuan-Nghia Bui , Huy-Son Nguyen , Cam-Van Nguyen Thi , Hoang-Quynh Le , Duc-Trong Le

Large Language Model (LLM)-based generative recommendation has achieved notable success, yet its practical deployment is costly particularly due to excessive inference latency caused by autoregressive decoding. For lossless LLM decoding…

Information Retrieval · Computer Science 2025-02-27 Xinyu Lin , Chaoqun Yang , Wenjie Wang , Yongqi Li , Cunxiao Du , Fuli Feng , See-Kiong Ng , Tat-Seng Chua

Retrieval-augmented generation (RAG) extends large language models (LLMs) with external knowledge, but it must balance limited effective context, redundant retrieved evidence, and the loss of fine-grained facts under aggressive compression.…

Computation and Language · Computer Science 2026-04-24 Yiqiao Jin , Rachneet Kaur , Zhen Zeng , Sumitra Ganesh , Srijan Kumar

Generative Recommender Systems using semantic ids, such as TIGER (Rajput et al., 2023), have emerged as a widely adopted competitive paradigm in sequential recommendation. However, existing architectures are designed solely for semantic…

Information Retrieval · Computer Science 2026-03-24 Yanchen Jiang , Zhe Feng , Christopher P. Mah , Aranyak Mehta , Di Wang

Effective query reformulation is pivotal in narrowing the gap between a user's exploratory search behavior and the identification of relevant products in e-commerce environments. While traditional approaches predominantly model query…

Information Retrieval · Computer Science 2025-10-20 Jayanth Yetukuri , Mehran Elyasi , Samarth Agrawal , Aritra Mandal , Rui Kong , Harish Vempati , Ishita Khan

Inspired by the exceptional general intelligence of Large Language Models (LLMs), researchers have begun to explore their application in pioneering the next generation of recommender systems - systems that are conversational, explainable,…

Information Retrieval · Computer Science 2024-08-06 Wensheng Lu , Jianxun Lian , Wei Zhang , Guanghua Li , Mingyang Zhou , Hao Liao , Xing Xie

Despite the rapid evolution and increasing efficacy of language and vision generative models, there remains a lack of comprehensive datasets that bridge the gap between personalized fashion needs and AI-driven design, limiting the potential…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Georgia Argyrou , Angeliki Dimitriou , Maria Lymperaiou , Giorgos Filandrianos , Giorgos Stamou

Recent advances in Large Language Models (LLMs) have driven their adoption in recommender systems through Retrieval-Augmented Generation (RAG) frameworks. However, existing RAG approaches predominantly rely on flat, similarity-based…

Information Retrieval · Computer Science 2025-06-10 Vahid Azizi , Fatemeh Koochaki

Large language model (LLM)-enhanced sequential recommendation typically aims to improve two core components: user semantic embedding extraction and utilization. Despite promising results, existing methods still have two limitations: 1) In…

Information Retrieval · Computer Science 2026-05-13 Guorui Li , Dugang Liu , Lei Li , Xing Tang , Zhong Ming

LLM-based agents are emerging as a promising paradigm for simulating user behavior to enhance recommender systems. However, their effectiveness is often limited by existing studies that focus on modeling user ratings for individual items.…

Information Retrieval · Computer Science 2025-11-17 Jiahao Wang , Bokang Fu , Yu Zhu , Yuli Liu

We propose Generative Low-rank language model with Semantic Search (GLoSS), a generative recommendation framework that combines large language models with dense retrieval for sequential recommendation. Unlike prior methods such as GPT4Rec,…

Information Retrieval · Computer Science 2025-06-11 Krishna Acharya , Aleksandr V. Petrov , Juba Ziani

Multimodal recommendation is commonly framed as a feature fusion problem, where textual and visual signals are combined to better model user preference. However, the effectiveness of multimodal recommendation may depend not only on how…

Information Retrieval · Computer Science 2026-03-16 Ty Valencia , Burak Barlas , Varun Singhal , Ruchir Bhatia , Wei Yang

Recent research has employed reinforcement learning (RL) algorithms to optimize long-term user engagement in recommender systems, thereby avoiding common pitfalls such as user boredom and filter bubbles. They capture the sequential and…

Information Retrieval · Computer Science 2023-01-25 Romain Deffayet , Thibaut Thonet , Jean-Michel Renders , Maarten de Rijke

Modern large-scale recommendation systems rely heavily on user interaction history sequences to enhance the model performance. The advent of large language models and sequential modeling techniques, particularly transformer-like…

Information Retrieval · Computer Science 2026-03-27 Zhimin Chen , Chenyu Zhao , Ka Chun Mo , Yunjiang Jiang , Jane H. Lee , Khushhall Chandra Mahajan , Ning Jiang , Kai Ren , Jinhui Li , Wen-Yun Yang