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Large Language Models (LLMs) have shown significant potential for improving recommendation systems through their inherent reasoning capabilities and extensive knowledge base. Yet, existing studies predominantly address warm-start scenarios…

Information Retrieval · Computer Science 2026-01-26 Shijun Li , Yu Wang , Jin Wang , Ying Li , Joydeep Ghosh , Anne Cocos

Generative, explainable, and flexible recommender systems, derived using Large Language Models (LLM) are promising and poorly adapted to the cold-start user situation, where there is little to no history of interaction. The current…

Machine Learning · Computer Science 2025-07-23 Yushang Zhao , Huijie Shen , Dannier Li , Lu Chang , Chengrui Zhou , Yinuo Yang

Large Language Models (LLMs) have demonstrated tremendous potential as the next-generation ranking-based recommendation system. Many recent works have shown that LLMs can significantly outperform conventional click-through-rate (CTR)…

Information Retrieval · Computer Science 2025-03-18 Allen Lin , Renqin Cai , Yun He , Hanchao Yu , Jing Qian , Rui Li , Qifan Wang , James Caverlee

Predicting Click-Through Rates is a crucial function within recommendation and advertising platforms, as the output of CTR prediction determines the order of items shown to users. The Embedding \& MLP paradigm has become a standard approach…

Information Retrieval · Computer Science 2025-04-10 Wenqiao Zhu , Lulu Wang , Jun Wu

The generation of ad headlines plays a vital role in modern advertising, where both quality and diversity are essential to engage a broad range of audience segments. Current approaches primarily optimize language models for headline quality…

Computation and Language · Computer Science 2025-08-27 Chang Wang , Siyu Yan , Depeng Yuan , Yuqi Chen , Yanhua Huang , Yuanhang Zheng , Shuhao Li , Yinqi Zhang , Kedi Chen , Mingrui Zhu , Ruiwen Xu

Addressing the cold-start issue in content recommendation remains a critical ongoing challenge. In this work, we focus on tackling the cold-start problem for movies on a large entertainment platform. Our primary goal is to forecast the…

Information Retrieval · Computer Science 2025-05-06 Shaghayegh Agah , Yejin Kim , Neeraj Sharma , Mayur Nankani , Kevin Foley , H. Howie Huang , Sardar Hamidian

Click-Through Rate (CTR) prediction holds a paramount position in recommender systems. The prevailing ID-based paradigm underperforms in cold-start scenarios due to the skewed distribution of feature frequency. Additionally, the utilization…

Information Retrieval · Computer Science 2024-11-28 Xingmei Wang , Weiwen Liu , Xiaolong Chen , Qi Liu , Xu Huang , Yichao Wang , Xiangyang Li , Yasheng Wang , Zhenhua Dong , Defu Lian , Ruiming Tang

Reinforcement learning (RL) has emerged as a powerful paradigm for fine-tuning Large Language Models (LLMs) for text generation. In particular, recent LLMs such as ChatGPT and GPT-4 can engage in fluent conversations with users after…

Machine Learning · Computer Science 2023-11-14 Jonathan D. Chang , Kiante Brantley , Rajkumar Ramamurthy , Dipendra Misra , Wen Sun

Cross-domain recommendation (CDR) has emerged as a promising solution to the cold-start problem, faced by single-domain recommender systems. However, existing CDR models rely on complex neural architectures, large datasets, and significant…

Information Retrieval · Computer Science 2024-12-02 Ajay Krishna Vajjala , Dipak Meher , Ziwei Zhu , David S. Rosenblum

Traditional ads recommendation systems have primarily focused on optimizing for prediction accuracy of click or conversion events using canonical metrics such as recall or normalized discounted cumulative gain (NDCG). With the hyper-growth…

Cold start scenarios present fundamental obstacles to effective recommendation generation, particularly when dealing with users lacking interaction history or items with sparse metadata. This research proposes an innovative hybrid framework…

Computation and Language · Computer Science 2026-03-05 Nikita Zmanovskii

Product review generation is an important task in recommender systems, which could provide explanation and persuasiveness for the recommendation. Recently, Large Language Models (LLMs, e.g., ChatGPT) have shown superior text modeling and…

Computation and Language · Computer Science 2024-07-11 Qiyao Peng , Hongtao Liu , Hongyan Xu , Qing Yang , Minglai Shao , Wenjun Wang

Recommender systems usually rely on large-scale interaction data to learn from users' past behaviors and make accurate predictions. However, real-world applications often face situations where no training data is available, such as when…

Information Retrieval · Computer Science 2025-12-16 Genki Kusano , Kenya Abe , Kunihiro Takeoka

This research presents an innovative and unique way of solving the advertisement prediction problem which is considered as a learning problem over the past several years. Online advertising is a multi-billion-dollar industry and is growing…

Information Retrieval · Computer Science 2017-02-15 Muhammad Junaid Effendi , Syed Abbas Ali

The utilization of Large Language Models (LLMs) to power human-like agents has shown remarkable potential in simulating individual mobility pattern. However, a significant gap remains in modeling cohorts of agents in dynamic and interactive…

Physics and Society · Physics 2026-03-16 Chengbo Zhang , Zuopeng Xiao

Recommender systems have traditionally followed modular architectures comprising candidate generation, multi-stage ranking, and re-ranking, each trained separately with supervised objectives and hand-engineered features. While effective in…

Information Retrieval · Computer Science 2025-10-06 Rahul Raja , Anshaj Vats , Arpita Vats , Anirban Majumder

For personalized marketing, a new challenge of how to effectively algorithm the A/B testing to maximize user response is urgently to be overcome. In this paper, we present a new approach, the RL-LLM-AB test framework, for using…

Information Retrieval · Computer Science 2025-06-10 Haoyang Feng , Yanjun Dai , Yuan Gao

Large language models (LLMs) can already identify patterns and reason effectively, yet their variable accuracy hampers adoption in high-stakes decision-making applications. In this paper, we study this issue from a venture capital…

Artificial Intelligence · Computer Science 2025-10-28 Rick Chen , Joseph Ternasky , Aaron Ontoyin Yin , Xianling Mu , Fuat Alican , Yigit Ihlamur

Large language models (LLMs) have shown remarkable potential in advertising scenarios such as ad creative generation and targeted advertising. However, deploying LLMs in real-time advertising systems poses significant challenges due to…

Computation and Language · Computer Science 2026-05-13 Wenxin Dong , Chang Gao , Guanghui Yu , Xuewu Jiao , Mingqing Hu , Qiang Fu , Peng Xu , Penghui Wei , Hui Xu , Yue Xing , Shuanglong Li , Lin Liu

Large Language Model (LLM)-based cold-start recommendation systems continue to face significant computational challenges in billion-scale scenarios, as they follow a "Text-to-Judgment" paradigm. This approach processes user-item content…

Information Retrieval · Computer Science 2025-02-25 Ruochen Liu , Hao Chen , Yuanchen Bei , Zheyu Zhou , Lijia Chen , Qijie Shen , Feiran Huang , Fakhri Karray , Senzhang Wang