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相关论文: Complex Logical Query Answering by Calibrating Kno…

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Knowledge graph (KG) embeddings have been a mainstream approach for reasoning over incomplete KGs. However, limited by their inherently shallow and static architectures, they can hardly deal with the rising focus on complex logical queries,…

机器学习 · 计算机科学 2022-08-17 Xiao Liu , Shiyu Zhao , Kai Su , Yukuo Cen , Jiezhong Qiu , Mengdi Zhang , Wei Wu , Yuxiao Dong , Jie Tang

Temporal Knowledge Graph Completion (TKGC) is a complex task involving the prediction of missing event links at future timestamps by leveraging established temporal structural knowledge. This paper aims to provide a comprehensive…

人工智能 · 计算机科学 2024-02-15 Ruilin Luo , Tianle Gu , Haoling Li , Junzhe Li , Zicheng Lin , Jiayi Li , Yujiu Yang

Retrieval-Augmented Generation (RAG) has recently emerged as a promising solution to alleviate Large Language Model (LLM)'s deficiency in lack of knowledge. Existing RAG datasets, however, do not adequately represent the diverse and dynamic…

Complex Query Answering (CQA) is a crucial reasoning task over Knowledge Graphs (KGs), which aims to answer first-order logical queries from incomplete KGs. While existing neural-symbolic methods achieve strong performance, they face…

人工智能 · 计算机科学 2026-05-26 Weizhi Fei , Zihao Wang , hang Yin , Shukai Zhao , Wei Zhang , Yangqiu Song

Integrating knowledge graphs (KGs) to enhance the reasoning capabilities of large language models (LLMs) is an emerging research challenge in claim verification. While KGs provide structured, semantically rich representations well-suited…

计算与语言 · 计算机科学 2025-05-29 Hoang Pham , Thanh-Do Nguyen , Khac-Hoai Nam Bui

Retrieval-Augmented Large Language Models (LLMs), which incorporate the non-parametric knowledge from external knowledge bases into LLMs, have emerged as a promising approach to enhancing response accuracy in several tasks, such as…

计算与语言 · 计算机科学 2024-03-29 Soyeong Jeong , Jinheon Baek , Sukmin Cho , Sung Ju Hwang , Jong C. Park

Knowledge Graph Question Answering (KGQA) systems rely on high-quality benchmarks to evaluate complex multi-hop reasoning. However, despite their widespread use, popular datasets such as WebQSP and CWQ suffer from critical quality issues,…

Knowledge graph completion (KGC) aims to infer missing knowledge triples based on known facts in a knowledge graph. Current KGC research mostly follows an entity ranking protocol, wherein the effectiveness is measured by the predicted rank…

计算与语言 · 计算机科学 2022-05-16 Ying Zhou , Xuanang Chen , Ben He , Zheng Ye , Le Sun

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) excel in many natural language processing tasks but often exhibit factual inconsistencies in knowledge-intensive settings. Integrating external knowledge resources, particularly knowledge graphs (KGs), provides…

计算与语言 · 计算机科学 2026-02-17 Shuai Wang , Yinan Yu

Knowledge graph (KG) embedding encodes the entities and relations from a KG into low-dimensional vector spaces to support various applications such as KG completion, question answering, and recommender systems. In real world, knowledge…

数据库 · 计算机科学 2022-06-02 Tianxing Wu , Arijit Khan , Melvin Yong , Guilin Qi , Meng Wang

Real-world Knowledge Graphs (KGs) often suffer from incompleteness, which limits their potential performance. Knowledge Graph Completion (KGC) techniques aim to address this issue. However, traditional KGC methods are computationally…

计算与语言 · 计算机科学 2023-11-03 Alla Chepurova , Aydar Bulatov , Yuri Kuratov , Mikhail Burtsev

Large Language Models (LLMs) have demonstrated significant potential across various domains. However, they often struggle with integrating external knowledge and performing complex reasoning, leading to hallucinations and unreliable…

机器学习 · 计算机科学 2025-11-25 Yao Cheng , Yibo Zhao , Jiapeng Zhu , Yao Liu , Xing Sun , Xiang Li

Techniques for knowledge graph (KGs) enrichment have been increasingly crucial for commercial applications that rely on evolving product catalogues. However, because of the huge search space of potential enrichment, predictions from KG…

信息检索 · 计算机科学 2024-06-12 Yupei Du , Jacek Golebiowski , Philipp Schmidt , Ziawasch Abedjan

Recent advancements in large language models (LLMs) have shown impressive versatility across various tasks. To eliminate their hallucinations, retrieval-augmented generation (RAG) has emerged as a powerful approach, leveraging external…

计算与语言 · 计算机科学 2025-05-30 Yuzheng Cai , Zhenyue Guo , Yiwen Pei , Wanrui Bian , Weiguo Zheng

Previous studies have relied on existing question-answering benchmarks to evaluate the knowledge stored in large language models (LLMs). However, this approach has limitations regarding factual knowledge coverage, as it mostly focuses on…

计算与语言 · 计算机科学 2023-10-31 Linhao Luo , Thuy-Trang Vu , Dinh Phung , Gholamreza Haffari

Knowledge Graph Question Answering (KGQA) involves retrieving entities as answers from a Knowledge Graph (KG) using natural language queries. The challenge is to learn to reason over question-relevant KG facts that traverse KG entities and…

计算与语言 · 计算机科学 2022-10-26 Costas Mavromatis , George Karypis

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…

计算与语言 · 计算机科学 2025-02-14 Liang Yao , Jiazhen Peng , Chengsheng Mao , Yuan Luo

While large language models (LLMs) have shown remarkable capabilities in natural language processing, they struggle with complex, multi-step reasoning tasks involving knowledge graphs (KGs). Existing approaches that integrate LLMs and KGs…

计算与语言 · 计算机科学 2024-09-25 Zixuan Dong , Baoyun Peng , Yufei Wang , Jia Fu , Xiaodong Wang , Yongxue Shan , Xin Zhou

Knowledge Bases (KBs) play a key role in various applications. As two representative KB-related tasks, knowledge base completion (KBC) and knowledge base question answering (KBQA) are closely related and inherently complementary with each…

人工智能 · 计算机科学 2026-04-08 Yinan Liu , Dongying Lin , Sigang Luo , Xiaochun Yang , Bin Wang