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While learning personalization offers great potential for learners, modern practices in higher education require a deeper consideration of domain models and learning contexts, to develop effective personalization algorithms. This paper…

Large Language Models (LLMs) have demonstrated remarkable capabilities in many real-world applications. Nonetheless, LLMs are often criticized for their tendency to produce hallucinations, wherein the models fabricate incorrect statements…

计算与语言 · 计算机科学 2024-06-05 Qinggang Zhang , Junnan Dong , Hao Chen , Daochen Zha , Zailiang Yu , Xiao Huang

Failure mode and effects analysis (FMEA) is an essential tool for mitigating potential failures, particularly during the ramp-up phases of new products. However, its effectiveness is often limited by the reasoning capabilities of the FMEA…

信息检索 · 计算机科学 2025-04-01 Lukas Bahr , Christoph Wehner , Judith Wewerka , José Bittencourt , Ute Schmid , Rüdiger Daub

Graph-based retrieval-augmented generation (RAG) enables large language models (LLMs) to ground responses with structured external knowledge from up-to-date knowledge graphs (KGs) and reduce hallucinations. However, LLMs often rely on a…

计算与语言 · 计算机科学 2025-07-01 Deyu Zou , Yongqiang Chen , Mufei Li , Siqi Miao , Chenxi Liu , Bo Han , James Cheng , Pan Li

Current knowledge-enhanced large language models (LLMs) rely on static, pre-constructed knowledge bases that suffer from coverage gaps and temporal obsolescence, limiting their effectiveness in dynamic information environments. We present…

机器学习 · 计算机科学 2025-10-13 Jing Li , Zhijie Sun , Zhicheng Zhou , Suming Qiu , Junjie Huang , Haijia Sun , Linyuan Qiu

The rapid evolution of communication technologies has led to an explosion of standards, rendering traditional expert-dependent consultation methods inefficient and slow. To address this challenge, we propose \textbf{KG2QA}, a question…

计算与语言 · 计算机科学 2025-10-16 Zhongze Luo , Weixuan Wan , Tianya Zhang , Dan Wang , Xiaoying Tang

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…

机器学习 · 计算机科学 2025-05-29 Harry Li , Gabriel Appleby , Kenneth Alperin , Steven R Gomez , Ashley Suh

Recent works integrating Knowledge Graphs (KGs) have shown promising improvements in enhancing the reasoning capabilities of Large Language Models (LLMs). However, existing benchmarks primarily focus on closed-ended tasks, leaving a gap in…

计算与语言 · 计算机科学 2025-05-23 Yuan Sui , Yufei He , Zifeng Ding , Bryan Hooi

Large Language Models (LLMs) exhibit remarkable capabilities but are prone to generating inaccurate or hallucinatory responses. This limitation stems from their reliance on vast pretraining datasets, making them susceptible to errors in…

计算与语言 · 计算机科学 2024-04-02 Chi-Min Chan , Chunpu Xu , Ruibin Yuan , Hongyin Luo , Wei Xue , Yike Guo , Jie Fu

Knowledge Graphs (KGs) represent relationships between entities in a graph structure and have been widely studied as promising tools for realizing recommendations that consider the accurate content information of items. However, traditional…

信息检索 · 计算机科学 2024-12-18 Keigo Sakurai , Ren Togo , Takahiro Ogawa , Miki Haseyama

Large Language Models (LLMs) have demonstrated strong capabilities in web search and reasoning. However, their dependence on static training corpora makes them prone to factual errors and knowledge gaps. Retrieval-Augmented Generation (RAG)…

人工智能 · 计算机科学 2026-01-26 Jiasheng Xu , Mingda Li , Yongqiang Tang , Peijie Wang , Wensheng Zhang

Large language models (LLMs) have demonstrated remarkable capabilities in a wide range of tasks, yet their application to specialized domains remains challenging due to the need for deep expertise. Retrieval-Augmented generation (RAG) has…

Knowledge-intensive tasks pose a significant challenge for Machine Learning (ML) techniques. Commonly adopted methods, such as Large Language Models (LLMs), often exhibit limitations when applied to such tasks. Nevertheless, there have been…

机器学习 · 计算机科学 2024-05-20 Albert Sawczyn , Jakub Binkowski , Piotr Bielak , Tomasz Kajdanowicz

The recent advances in large language models (LLM) and foundation models with emergent capabilities have been shown to improve the performance of many NLP tasks. LLMs and Knowledge Graphs (KG) can complement each other such that LLMs can be…

计算与语言 · 计算机科学 2023-08-07 Nandana Mihindukulasooriya , Sanju Tiwari , Carlos F. Enguix , Kusum Lata

Large language models like GPT-4, Gemini, and Claude have transformed natural language processing (NLP) tasks such as question answering, dialogue generation, summarization, and so forth; yet their susceptibility to hallucination stands as…

计算与语言 · 计算机科学 2025-07-21 Nur A Zarin Nishat , Andrea Coletta , Luigi Bellomarini , Kossi Amouzouvi , Jens Lehmann , Sahar Vahdati

Pre-trained large language models (PLLMs) like OpenAI ChatGPT and Google Gemini face challenges such as inaccurate factual recall, hallucinations, biases, and future data leakage for temporal Knowledge Graph (tKG) forecasting. To address…

计算与语言 · 计算机科学 2024-08-27 Geethan Sannidhi , Sagar Srinivas Sakhinana , Venkataramana Runkana

Large language models have shown remarkable language processing and reasoning ability but are prone to hallucinate when asked about private data. Retrieval-augmented generation (RAG) retrieves relevant data that fit into an LLM's context…

机器学习 · 计算机科学 2025-11-13 Alfred Clemedtson , Borun Shi

Large Language Models (LLMs) have been extensively adopted in Knowledge Graph Completion (KGC), showcasing significant research advancements. However, as black-box models driven by deep neural architectures, current LLM-based KGC methods…

计算与语言 · 计算机科学 2025-10-22 Wenbin Guo , Xin Wang , Jiaoyan Chen , Zhao Li , Zirui Chen

Knowledge Graphs (KGs) represent human-crafted factual knowledge in the form of triplets (head, relation, tail), which collectively form a graph. Question Answering over KGs (KGQA) is the task of answering natural questions grounding the…

计算与语言 · 计算机科学 2024-05-31 Costas Mavromatis , George Karypis

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…

信息检索 · 计算机科学 2024-07-29 DaiFeng Li , Fan Xu