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The goal of knowledge graph completion (KGC) is to predict missing facts among entities. Previous methods for KGC re-ranking are mostly built on non-generative language models to obtain the probability of each candidate. Recently,…

Artificial Intelligence · Computer Science 2024-03-27 Yilin Wang , Minghao Hu , Zhen Huang , Dongsheng Li , Dong Yang , Xicheng Lu

Knowledge Graphs (KGs) have proven highly effective for recommendation systems by capturing latent item relationships, while recent integration of Large Language Models (LLMs) has further enhanced semantic understanding and addressed…

Information Retrieval · Computer Science 2026-05-11 Xinchi Zou , Tongzhenzhi Su , Jianjun Li , Yuan Fu , Chang Liu , Zhiying Deng , Zhiwei Shen

Retrieval Augmented Generation (RAG) is a technique used to augment Large Language Models (LLMs) with contextually relevant, time-critical, or domain-specific information without altering the underlying model parameters. However,…

Information Retrieval · Computer Science 2024-08-20 Laurent Mombaerts , Terry Ding , Adi Banerjee , Florian Felice , Jonathan Taws , Tarik Borogovac

Retrieval-Augmented Generation (RAG) lifts the factuality of Large Language Models (LLMs) by injecting external knowledge, yet it falls short on problems that demand multi-step inference; conversely, purely reasoning-oriented approaches…

Retrieval-augmented generation (RAG) has shown some success in augmenting large language models (LLMs) with external knowledge. However, as a non-parametric knowledge integration paradigm for LLMs, RAG methods heavily rely on external…

Computation and Language · Computer Science 2026-04-14 Haoyu Huang , Hong Ting Tsang , Jiaxin Bai , Xi Peng , Gong Zhang , Yangqiu Song

The vast and complex materials design space demands innovative strategies to integrate multidisciplinary scientific knowledge and optimize materials discovery. While large language models (LLMs) have demonstrated promising reasoning and…

Artificial Intelligence · Computer Science 2025-02-28 Tiffany J. Callahan , Nathaniel H. Park , Sara Capponi

Multilingual Retrieval-Augmented Generation (mRAG) systems enhance language models by integrating external multilingual information to produce context-aware responses. However, mRAG systems struggle with retrieving relevant information due…

Computation and Language · Computer Science 2025-06-03 Jeonghyun Park , Hwanhee Lee

This paper addresses the need for improved precision in existing knowledge-enhanced question-answering frameworks, specifically Retrieval-Augmented Generation (RAG) methods that primarily focus on enhancing recall. We propose a multi-layer…

Artificial Intelligence · Computer Science 2025-02-24 Rubing Chen , Xulu Zhang , Jiaxin Wu , Wenqi Fan , Xiao-Yong Wei , Qing Li

Automated content-aware layout generation -- the task of arranging visual elements such as text, logos, and underlays on a background canvas -- remains a fundamental yet under-explored problem in intelligent design systems. While recent…

Information Retrieval · Computer Science 2025-06-30 Najmeh Forouzandehmehr , Reza Yousefi Maragheh , Sriram Kollipara , Kai Zhao , Topojoy Biswas , Evren Korpeoglu , Kannan Achan

Knowledge graph question answering (KGQA) presents significant challenges due to the structural and semantic variations across input graphs. Existing works rely on Large Language Model (LLM) agents for graph traversal and retrieval; an…

Computation and Language · Computer Science 2025-07-08 Costas Mavromatis , Soji Adeshina , Vassilis N. Ioannidis , Zhen Han , Qi Zhu , Ian Robinson , Bryan Thompson , Huzefa Rangwala , George Karypis

Retrieval-Augmented Generation (RAG) enhances the performance of Large Language Models (LLMs) by incorporating external knowledge. However, LLMs still encounter challenges in effectively utilizing the knowledge from retrieved documents,…

Computation and Language · Computer Science 2025-02-26 Mingyan Wu , Zhenghao Liu , Yukun Yan , Xinze Li , Shi Yu , Zheni Zeng , Yu Gu , Ge Yu

Retrieval augmented generation (RAG) has been applied in many scenarios to augment large language models (LLMs) with external documents provided by retrievers. However, a semantic gap exists between LLMs and retrievers due to differences in…

Computation and Language · Computer Science 2024-10-31 Fuda Ye , Shuangyin Li , Yongqi Zhang , Lei Chen

Recently, the personalization of Large Language Models (LLMs) to generate content that aligns with individual user preferences has garnered widespread attention. Personalized Retrieval-Augmented Generation (RAG), which retrieves relevant…

Information Retrieval · Computer Science 2025-04-09 Teng Shi , Jun Xu , Xiao Zhang , Xiaoxue Zang , Kai Zheng , Yang Song , Han Li

Regulatory compliance question answering (QA) requires precise, verifiable information, and domain-specific expertise, posing challenges for Large Language Models (LLMs). In this work, we present a novel multi-agent framework that…

Artificial Intelligence · Computer Science 2025-08-14 Bhavik Agarwal , Hemant Sunil Jomraj , Simone Kaplunov , Jack Krolick , Viktoria Rojkova

Although Large Language Models achieve strong success in many tasks, they still suffer from hallucinations and knowledge deficiencies in real-world applications. Many knowledge graph-based retrieval-augmented generation (KG-RAG) methods…

Artificial Intelligence · Computer Science 2025-05-28 Hairu Wang , Yuan Feng , Xike Xie , S Kevin Zhou

Retrieval-augmented generation (RAG) and its graph-based extensions (GraphRAG) are effective paradigms for improving large language model (LLM) reasoning by grounding generation in external knowledge. However, most existing RAG and GraphRAG…

Information Retrieval · Computer Science 2026-04-14 Dongzhe Fan , Zheyi Xue , Siyuan Liu , Qiaoyu Tan

Large language models (LLMs) incorporated with Retrieval-Augmented Generation (RAG) have demonstrated powerful capabilities in generating counterspeech against misinformation. However, current studies rely on limited evidence and offer less…

Computation and Language · Computer Science 2025-09-16 Anirban Saha Anik , Xiaoying Song , Elliott Wang , Bryan Wang , Bengisu Yarimbas , Lingzi Hong

Recommendation systems are widely used in e-commerce websites and online platforms to address information overload. However, existing systems primarily rely on historical data and user feedback, making it difficult to capture user intent…

Information Retrieval · Computer Science 2024-02-22 Qian Zhao , Hao Qian , Ziqi Liu , Gong-Duo Zhang , Lihong Gu

We introduce a novel large language model (LLM)-driven agent framework, which iteratively refines queries and filters contextual evidence by leveraging dynamically evolving knowledge. A defining feature of the system is its decoupling of…

Artificial Intelligence · Computer Science 2025-04-02 Seyoung Song

Recently, Large Language Model (LLM)-empowered recommender systems have revolutionized personalized recommendation frameworks and attracted extensive attention. Despite the remarkable success, existing LLM-empowered RecSys have been…

Information Retrieval · Computer Science 2025-04-04 Liangbo Ning , Wenqi Fan , Qing Li