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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…

Information Retrieval · Computer Science 2026-04-22 Siqi Liang , Xiawei Wang , Yudi Zhang , Jiaying Zhou

Knowledge graphs play a vital role in numerous artificial intelligence tasks, yet they frequently face the issue of incompleteness. In this study, we explore utilizing Large Language Models (LLM) for knowledge graph completion. We consider…

Computation and Language · Computer Science 2025-02-14 Liang Yao , Jiazhen Peng , Chengsheng Mao , Yuan Luo

Recommender systems (RS) are vital for managing information overload and delivering personalized content, responding to users' diverse information needs. The emergence of large language models (LLMs) offers a new horizon for redefining…

Information Retrieval · Computer Science 2024-07-16 Bo Chen , Xinyi Dai , Huifeng Guo , Wei Guo , Weiwen Liu , Yong Liu , Jiarui Qin , Ruiming Tang , Yichao Wang , Chuhan Wu , Yaxiong Wu , Hao Zhang

Reasoning over knowledge graphs (KGs) with first-order logic (FOL) queries is challenging due to the inherent incompleteness of real-world KGs and the compositional complexity of logical query structures. Most existing methods rely on…

Computation and Language · Computer Science 2025-12-23 Ziyan Zhang , Chao Wang , Zhuo Chen , Lei Chen , Chiyi Li , Kai Song

Recommender systems (RS) have become essential tools for helping users efficiently navigate the overwhelming amount of information on e-commerce and social platforms. However, traditional RS relying on Collaborative Filtering (CF) struggles…

Information Retrieval · Computer Science 2025-02-27 Mingdai Yang , Zhiwei Liu , Liangwei Yang , Xiaolong Liu , Chen Wang , Hao Peng , Philip S. Yu

Knowledge Graphs (KGs) serving as semantic networks, prove highly effective in managing complex interconnected data in different domains, by offering a unified, contextualized, and structured representation with flexibility that allows for…

Computation and Language · Computer Science 2024-10-01 Azmine Toushik Wasi

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

Recent advancements in Large Language Models (LLMs) have attracted considerable interest among researchers to leverage these models to enhance Recommender Systems (RSs). Existing work predominantly utilizes LLMs to generate knowledge-rich…

Information Retrieval · Computer Science 2024-07-25 Zhongxiang Sun , Zihua Si , Xiaoxue Zang , Kai Zheng , Yang Song , Xiao Zhang , Jun Xu

The importance of recommender systems is growing rapidly due to the exponential increase in the volume of content generated daily. This surge in content presents unique challenges for designing effective recommender systems. Key among these…

Computation and Language · Computer Science 2025-06-12 Jiahao Tian , Jinman Zhao , Zhenkai Wang , Zhicheng Ding

Due to the remarkable reasoning ability, Large language models (LLMs) have demonstrated impressive performance in knowledge graph question answering (KGQA) tasks, which find answers to natural language questions over knowledge graphs (KGs).…

Computation and Language · Computer Science 2025-02-25 Xiao Long , Liansheng Zhuang , Aodi Li , Minghong Yao , Shafei Wang

Recent advancements have witnessed the ascension of Large Language Models (LLMs), endowed with prodigious linguistic capabilities, albeit marred by shortcomings including factual inconsistencies and opacity. Conversely, Knowledge Graphs…

Information Retrieval · Computer Science 2024-07-29 DaiFeng Li , Fan Xu

Large Language Models (LLMs) have achieved remarkable success in natural language tasks, yet understanding their reasoning processes remains a significant challenge. We address this by introducing XplainLLM, a dataset accompanying an…

Computation and Language · Computer Science 2024-09-24 Zichen Chen , Jianda Chen , Ambuj Singh , Misha Sra

The task of multi-hop link prediction within knowledge graphs (KGs) stands as a challenge in the field of knowledge graph analysis, as it requires the model to reason through and understand all intermediate connections before making a…

Computation and Language · Computer Science 2025-06-17 Dong Shu , Tianle Chen , Mingyu Jin , Chong Zhang , Mengnan Du , Yongfeng Zhang

In contrast to single-user recommender systems, group recommender systems are designed to generate and explain recommendations for groups. This group-oriented setting introduces additional complexities, as several factors - absent in…

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

Large language models (LLMs) have demonstrated impressive reasoning abilities, but they still struggle with faithful reasoning due to knowledge gaps and hallucinations. To address these issues, knowledge graphs (KGs) have been utilized to…

Computation and Language · Computer Science 2025-05-29 Linhao Luo , Zicheng Zhao , Gholamreza Haffari , Yuan-Fang Li , Chen Gong , Shirui Pan

Large Language Models (LLMs) have shown impressive performance in various tasks, including knowledge graph completion (KGC). However, current studies mostly apply LLMs to classification tasks, like identifying missing triplets, rather than…

Artificial Intelligence · Computer Science 2025-01-07 Zaiyi Zheng , Yushun Dong , Song Wang , Haochen Liu , Qi Wang , Jundong Li

LLM post-training has primarily relied on large text corpora and human feedback, without capturing the structure of domain knowledge. This has caused models to struggle dealing with complex reasoning tasks, especially for high-stakes…

Computation and Language · Computer Science 2026-01-21 Dezhao Song , Guglielmo Bonifazi , Frank Schilder , Jonathan Richard Schwarz

Knowledge graphs (KGs) are powerful data structures, but exploring them effectively remains difficult for even expert users. Large language models (LLMs) are increasingly used to address this gap, yet little is known empirically about how…

Machine Learning · Computer Science 2025-05-29 Harry Li , Gabriel Appleby , Kenneth Alperin , Steven R Gomez , Ashley Suh

Multimodal reasoning with large language models (LLMs) often suffers from hallucinations and the presence of deficient or outdated knowledge within LLMs. Some approaches have sought to mitigate these issues by employing textual knowledge…

Computation and Language · Computer Science 2024-06-06 Junlin Lee , Yequan Wang , Jing Li , Min Zhang