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Knowledge Graph Completion (KGC) aims to infer missing information in Knowledge Graphs (KGs) to address their inherent incompleteness. Traditional structure-based KGC methods, while effective, face significant computational demands and…

计算与语言 · 计算机科学 2025-04-01 Jianfang Chen , Kai Zhang , Aoran Gan , Shiwei Tong , Shuanghong Shen , Qi Liu

When deciding to read an article or incorporate it into their research, scholars often seek to quickly identify and understand its main ideas. In this paper, we aim to extract these key concepts and contributions from scientific articles in…

计算与语言 · 计算机科学 2025-07-21 Hosein Azarbonyad , Zi Long Zhu , Georgios Cheirmpos , Zubair Afzal , Vikrant Yadav , Georgios Tsatsaronis

Knowledge Graph (KG)-augmented Large Language Models (LLMs) have recently propelled significant advances in complex reasoning tasks, thanks to their broad domain knowledge and contextual awareness. Unfortunately, current methods often…

人工智能 · 计算机科学 2025-06-10 Manzong Huang , Chenyang Bu , Yi He , Xindong Wu

Large Language Models (LLMs) have demonstrated remarkable capabilities in text generation and understanding, yet their reliance on implicit, unstructured knowledge often leads to factual inaccuracies and limited interpretability. Knowledge…

计算与语言 · 计算机科学 2025-06-17 Qinggang Zhang

Recent advances in research have demonstrated the effectiveness of knowledge graphs (KG) in providing valuable external knowledge to improve recommendation systems (RS). A knowledge graph is capable of encoding high-order relations that…

信息检索 · 计算机科学 2020-04-02 Yang Gao , Yi-Fan Li , Yu Lin , Hang Gao , Latifur Khan

Arguments often do not make explicit how a conclusion follows from its premises. To compensate for this lack, we enrich arguments with structured background knowledge to support knowledge-intense argumentation tasks. We present a new…

计算与语言 · 计算机科学 2023-05-16 Moritz Plenz , Juri Opitz , Philipp Heinisch , Philipp Cimiano , Anette Frank

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

Retrieval-Augmented Generation (RAG) over Knowledge Graphs (KGs) suffers from the fact that indexing approaches may lose important contextual nuance when text is reduced to triples, thereby degrading performance in downstream…

计算与语言 · 计算机科学 2026-03-13 Riccardo Campi , Nicolò Oreste Pinciroli Vago , Mathyas Giudici , Marco Brambilla , Piero Fraternali

To address the issues of insufficient knowledge and hallucination in Large Language Models (LLMs), numerous studies have explored integrating LLMs with Knowledge Graphs (KGs). However, these methods are typically evaluated on conventional…

计算与语言 · 计算机科学 2024-10-08 Yao Xu , Shizhu He , Jiabei Chen , Zihao Wang , Yangqiu Song , Hanghang Tong , Guang Liu , Kang Liu , Jun Zhao

Pretrained language models have excelled at many NLP tasks recently; however, their social intelligence is still unsatisfactory. To enable this, machines need to have a more general understanding of our complicated world and develop the…

计算与语言 · 计算机科学 2021-05-13 Ting-Yun Chang , Yang Liu , Karthik Gopalakrishnan , Behnam Hedayatnia , Pei Zhou , Dilek Hakkani-Tur

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…

人工智能 · 计算机科学 2025-01-07 Zaiyi Zheng , Yushun Dong , Song Wang , Haochen Liu , Qi Wang , Jundong Li

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

Reasoning is a fundamental problem for computers and deeply studied in Artificial Intelligence. In this paper, we specifically focus on answering multi-hop logical queries on Knowledge Graphs (KGs). This is a complicated task because, in…

人工智能 · 计算机科学 2022-09-30 Alfonso Amayuelas , Shuai Zhang , Susie Xi Rao , Ce Zhang

Open Domain Question Answering (QA) is evolving from complex pipelined systems to end-to-end deep neural networks. Specialized neural models have been developed for extracting answers from either text alone or Knowledge Bases (KBs) alone.…

计算与语言 · 计算机科学 2018-09-05 Haitian Sun , Bhuwan Dhingra , Manzil Zaheer , Kathryn Mazaitis , Ruslan Salakhutdinov , William W. Cohen

This paper presents a question answering system that operates exclusively on a knowledge graph retrieval without relying on retrieval augmented generation (RAG) with large language models (LLMs). Instead, a small paraphraser model is used…

计算与语言 · 计算机科学 2025-10-23 Kartikeya Aneja , Manasvi Srivastava , Subhayan Das , Nagender Aneja

This paper presents a scholarly Knowledge Graph Question Answering (KGQA) that answers bibliographic natural language questions by leveraging a large language model (LLM) in a few-shot manner. The model initially identifies the top-n…

计算与语言 · 计算机科学 2023-11-17 Tilahun Abedissa Taffa , Ricardo Usbeck

Previous works on knowledge-to-text generation take as input a few RDF triples or key-value pairs conveying the knowledge of some entities to generate a natural language description. Existing datasets, such as WIKIBIO, WebNLG, and E2E,…

计算与语言 · 计算机科学 2020-10-27 Liying Cheng , Dekun Wu , Lidong Bing , Yan Zhang , Zhanming Jie , Wei Lu , Luo Si

Retrieval-Augmented Generation (RAG) shows impressive performance by supplementing and substituting parametric knowledge in Large Language Models (LLMs). Retrieved knowledge can be divided into three types: explicit answer evidence,…

计算与语言 · 计算机科学 2025-08-05 Zhichao Yan , Jiapu Wang , Jiaoyan Chen , Yanyan Wang , Hongye Tan , Jiye Liang , Xiaoli Li , Ru Li , Jeff Z. Pan

The scoring function, which measures the plausibility of triplets in knowledge graphs (KGs), is the key to ensure the excellent performance of KG embedding, and its design is also an important problem in the literature. Automated machine…

机器学习 · 计算机科学 2021-04-23 Shimin Di , Quanming Yao , Yongqi Zhang , Lei Chen

Knowledge graphs are important resources for many artificial intelligence tasks but often suffer from incompleteness. In this work, we propose to use pre-trained language models for knowledge graph completion. We treat triples in knowledge…

计算与语言 · 计算机科学 2019-09-12 Liang Yao , Chengsheng Mao , Yuan Luo