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The integration of reinforcement learning (RL) into large language models (LLMs) has opened new opportunities for recommender systems by eliciting reasoning and improving user preference modeling. However, RL-based LLM recommendation faces…

信息检索 · 计算机科学 2026-02-05 Lin Wang , Yang Zhang , Jingfan Chen , Xiaoyan Zhao , Fengbin Zhu , Qing Li , Tat-Seng Chua

Recent studies have explored integrating large language models (LLMs) into recommendation systems but face several challenges, including training-induced bias and bottlenecks from serialized architecture. To effectively address these…

信息检索 · 计算机科学 2025-09-16 Donghee Han , Hwanjun Song , Mun Yong Yi

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

Large language models (LLMs) provide powerful means to leverage prior knowledge for predictive modeling when data is limited. In this work, we demonstrate how LLMs can use their compressed world knowledge to generate intrinsically…

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

We propose a novel framework that leverages large language models (LLMs) to guide the rank selection in tensor network models for higher-order data analysis. By utilising the intrinsic reasoning capabilities and domain knowledge of LLMs,…

机器学习 · 计算机科学 2024-10-15 Giorgos Iacovides , Wuyang Zhou , Danilo Mandic

Researchers have successfully applied large language models (LLMs) such as ChatGPT to reranking in an information retrieval context, but to date, such work has mostly been built on proprietary models hidden behind opaque API endpoints. This…

信息检索 · 计算机科学 2023-09-27 Ronak Pradeep , Sahel Sharifymoghaddam , Jimmy Lin

Prompt Recovery, reconstructing prompts from the outputs of large language models (LLMs), has grown in importance as LLMs become ubiquitous. Most users access LLMs through APIs without internal model weights, relying only on outputs and…

计算与语言 · 计算机科学 2025-04-08 Shenyang Liu , Yang Gao , Shaoyan Zhai , Liqiang Wang

The fusion of Large Language Models (LLMs) with recommender systems (RecSys) has dramatically advanced personalized recommendations and drawn extensive attention. Despite the impressive progress, the safety of LLM-based RecSys against…

密码学与安全 · 计算机科学 2025-04-16 Liangbo Ning , Wenqi Fan , Qing Li

Conversational recommender systems (CRS) typically require extensive domain-specific conversational datasets, yet high costs, privacy concerns, and data-collection challenges severely limit their availability. Although Large Language Models…

信息检索 · 计算机科学 2025-04-23 Rohan Surana , Junda Wu , Zhouhang Xie , Yu Xia , Harald Steck , Dawen Liang , Nathan Kallus , Julian McAuley

We present a comprehensive system for addressing Tasks A, B, and C of the LLMs4OL 2025 challenge, which together span the full ontology construction pipeline: term extraction, typing, and taxonomy discovery. Our approach combines…

计算与语言 · 计算机科学 2025-08-28 Aleksandra Beliaeva , Temurbek Rahmatullaev

The remarkable performance of pre-trained large language models has revolutionised various natural language processing applications. Due to huge parametersizes and extensive running costs, companies or organisations tend to transfer the…

计算与语言 · 计算机科学 2023-12-15 Jiazheng Li , Runcong Zhao , Yongxin Yang , Yulan He , Lin Gui

Due to its collaborative nature, Wikidata is known to have a complex taxonomy, with recurrent issues like the ambiguity between instances and classes, the inaccuracy of some taxonomic paths, the presence of cycles, and the high level of…

人工智能 · 计算机科学 2024-09-09 Yiwen Peng , Thomas Bonald , Mehwish Alam

Large Language Models (LLMs) have recently garnered significant attention in various domains, including recommendation systems. Recent research leverages the capabilities of LLMs to improve the performance and user modeling aspects of…

信息检索 · 计算机科学 2024-11-05 Lei Chen , Chen Gao , Xiaoyi Du , Hengliang Luo , Depeng Jin , Yong Li , Meng Wang

Recommender systems serve as foundational infrastructure in modern information ecosystems, helping users navigate digital content and discover items aligned with their preferences. At their core, recommender systems address a fundamental…

信息检索 · 计算机科学 2026-05-12 Min Hou , Le Wu , Yuxin Liao , Yonghui Yang , Zhen Zhang , Yu Wang , Changlong Zheng , Han Wu , Richang Hong

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…

信息检索 · 计算机科学 2025-12-16 Genki Kusano , Kenya Abe , Kunihiro Takeoka

This study presents a comprehensive reproducibility and extension analysis of the Setwise prompting methodology for zero-shot ranking with Large Language Models (LLMs), as proposed by Zhuang et al. We evaluate its effectiveness and…

信息检索 · 计算机科学 2025-04-16 Jakub Podolak , Leon Peric , Mina Janicijevic , Roxana Petcu

Efficient processing of tabular data is important in various industries, especially when working with datasets containing a large number of columns. Large language models (LLMs) have demonstrated their ability on several tasks through…

机器学习 · 计算机科学 2024-08-22 Ashlesha Akella , Abhijit Manatkar , Brij Chavda , Hima Patel

Large Language Models (LLMs) have emerged as a promising paradigm for next-generation recommender systems, offering strong semantic understanding and natural-language reasoning abilities. Despite recent progress, current LLM-based…

信息检索 · 计算机科学 2026-05-11 Shijun Li , Wooseong Yang , Yu Wang , Tianxin Wei , Joydeep Ghosh

Effective item categorization is vital for businesses, enabling the transformation of unstructured datasets into organized categories that streamline inventory management. Despite its importance, item categorization remains highly…

计算与语言 · 计算机科学 2025-03-10 Anmolika Singh , Yuhang Diao