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Employing Large Language Models (LLM) in various downstream applications such as classification is crucial, especially for smaller companies lacking the expertise and resources required for fine-tuning a model. Fairness in LLMs helps ensure…

计算与语言 · 计算机科学 2024-02-29 Garima Chhikara , Anurag Sharma , Kripabandhu Ghosh , Abhijnan Chakraborty

The reasoning and generalization capabilities of LLMs can help us better understand user preferences and item characteristics, offering exciting prospects to enhance recommendation systems. Though effective while user-item interactions are…

信息检索 · 计算机科学 2024-02-20 Jianling Wang , Haokai Lu , James Caverlee , Ed Chi , Minmin Chen

Large Language Models (LLMs) have recently emerged as a powerful backbone for recommender systems. Existing LLM-based recommender systems take two different approaches for representing items in natural language, i.e., Attribute-based…

Serendipity plays a pivotal role in enhancing user satisfaction within recommender systems, yet its evaluation poses significant challenges due to its inherently subjective nature and conceptual ambiguity. Current algorithmic approaches…

信息检索 · 计算机科学 2025-07-24 Li Kang , Yuhan Zhao , Li Chen

Personalized recommendation requires models that capture sequential user preferences while remaining robust to sparse feedback and semantic ambiguity. Recent work has explored large language models (LLMs) as recommenders and re-rankers, but…

信息检索 · 计算机科学 2026-04-22 Siqi Liang , Xiawei Wang , Yudi Zhang , Jiaying Zhou

As libraries explore large language models (LLMs) for use in virtual reference services, a key question arises: Can LLMs serve all users equitably, regardless of demographics or social status? While they offer great potential for scalable…

计算与语言 · 计算机科学 2025-11-24 Haining Wang , Jason Clark , Yueru Yan , Star Bradley , Ruiyang Chen , Yiqiong Zhang , Hengyi Fu , Zuoyu Tian

The application of large language models (LLMs) in recommendation systems has recently gained traction. Traditional recommendation systems often lack explainability and suffer from issues such as popularity bias. Previous research has also…

信息检索 · 计算机科学 2025-12-04 Yaqi Wang , Haojia Sun , Shuting Zhang

New-items play a crucial role in recommender systems (RSs) for delivering fresh and engaging user experiences. However, traditional methods struggle to effectively recommend new-items due to their short exposure time and limited interaction…

信息检索 · 计算机科学 2025-05-01 Huizhong Guo , Zhu Sun , Dongxia Wang , Tianjun Wei , Jinfeng Li , Jie Zhang

Recommendation foundation model utilizes large language models (LLM) for recommendation by converting recommendation tasks into natural language tasks. It enables generative recommendation which directly generates the item(s) to recommend…

信息检索 · 计算机科学 2023-09-27 Wenyue Hua , Shuyuan Xu , Yingqiang Ge , Yongfeng Zhang

Recent advancements in Large Language Models (LLMs) have made them a popular information-seeking tool among end users. However, the statistical training methods for LLMs have raised concerns about their representation of under-represented…

Traditional recommender systems (RecSys) primarily infer user preferences from implicit signals (such as clicks, watches, and purchases), often neglecting the rich explicit contextual feedback users provide through verbal text, like…

Collaborative filtering recommender systems (CF-RecSys) have shown successive results in enhancing the user experience on social media and e-commerce platforms. However, as CF-RecSys struggles under cold scenarios with sparse user-item…

信息检索 · 计算机科学 2024-06-04 Sein Kim , Hongseok Kang , Seungyoon Choi , Donghyun Kim , Minchul Yang , Chanyoung Park

In recent years, knowledge graphs have been integrated into recommender systems as item-side auxiliary information, enhancing recommendation accuracy. However, constructing and integrating structural user-side knowledge remains a…

信息检索 · 计算机科学 2024-12-19 Zheng Hu , Zhe Li , Ziyun Jiao , Satoshi Nakagawa , Jiawen Deng , Shimin Cai , Tao Zhou , Fuji Ren

Recently, large language models (LLMs) have exhibited significant progress in language understanding and generation. By leveraging textual features, customized LLMs are also applied for recommendation and demonstrate improvements across…

信息检索 · 计算机科学 2023-11-07 Zhenrui Yue , Sara Rabhi , Gabriel de Souza Pereira Moreira , Dong Wang , Even Oldridge

Sequential Recommendation (SR) learns user preferences from their historical interaction sequences and provides personalized suggestions. In real-world scenarios, most items exhibit sparse interactions, known as the tail-item problem. This…

信息检索 · 计算机科学 2026-04-07 Zhifu Wei , Yizhou Dang , Guibing Guo , Chuang Zhao , Zhu Sun

Recommender systems utilizing explicit feedback have witnessed significant advancements and widespread applications over the past years. However, generating recommendations in few-shot scenarios remains a persistent challenge. Recently,…

信息检索 · 计算机科学 2023-12-22 Zhoumeng Wang

This survey explores the fairness of large language models (LLMs) in e-commerce, examining their progress, applications, and the challenges they face. LLMs have become pivotal in the e-commerce domain, offering innovative solutions and…

计算与语言 · 计算机科学 2024-06-25 Qingyang Ren , Zilin Jiang , Jinghan Cao , Sijia Li , Chiqu Li , Yiyang Liu , Shuning Huo , Tiange He , Yuan Chen

With the proliferation of open-sourced Large Language Models (LLMs) and efficient finetuning techniques, we are on the cusp of the emergence of numerous domain-specific LLMs that have been finetuned for expertise across specialized fields…

计算与语言 · 计算机科学 2023-06-28 Teo Susnjak

Recommender systems are crucial for personalizing user experiences but often depend on implicit feedback data, which can be noisy and misleading. Existing denoising studies involve incorporating auxiliary information or learning strategies…

信息检索 · 计算机科学 2025-02-14 Shuyao Wang , Zhi Zheng , Yongduo Sui , Hui Xiong

Offline evaluation of search systems depends on test collections. These benchmarks provide the researchers with a corpus of documents, topics and relevance judgements indicating which documents are relevant for each topic. While test…

信息检索 · 计算机科学 2025-07-23 David Otero , Javier Parapar , Álvaro Barreiro