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相关论文: The Compressive Knowledge Graph Hypothesis: Which …

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The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

计算与语言 · 计算机科学 2023-05-18 Jason Youn , Ilias Tagkopoulos

Generative commonsense reasoning refers to the task of generating acceptable and logical assumptions about everyday situations based on commonsense understanding. By utilizing an existing dataset such as Korean CommonGen, language…

计算与语言 · 计算机科学 2023-06-27 Dahyun Jung , Jaehyung Seo , Jaewook Lee , Chanjun Park , Heuiseok Lim

Knowledge graphs (KGs) are increasingly used to support large lan guage model (LLM) reasoning, but standard triplet-based KGs treat each relation as globally valid. In many settings, whether a relation should count as evidence depends on…

计算与语言 · 计算机科学 2026-04-28 Yao Wang , Zixu Geng , Jun Yan

Large Language Models (LLMs) often struggle with producing factually consistent answers due to limitations in their parametric memory. Retrieval-Augmented Generation (RAG) paradigms mitigate this issue by incorporating external knowledge at…

计算与语言 · 计算机科学 2026-05-05 Shanglin Wu , Lihui Liu , Jinho D. Choi , Kai Shu

Knowledge graphs (KGs) have the advantage of providing fine-grained detail for question-answering systems. Unfortunately, building a reliable KG is time-consuming and expensive as it requires human intervention. To overcome this issue, we…

计算与语言 · 计算机科学 2021-03-12 Seunghak Yu , Tianxing He , James Glass

Knowledge Graphs (KGs) extracted from text sources are often noisy and lead to poor performance in downstream application tasks such as KG-based question answering.While much of the recent activity is focused on addressing the sparsity of…

人工智能 · 计算机科学 2020-06-09 Siddhant Arora , Srikanta Bedathur , Maya Ramanath , Deepak Sharma

Knowledge graph completion (KGC) aims to alleviate the inherent incompleteness of knowledge graphs (KGs), which is a critical task for various applications, such as recommendations on the web. Although knowledge graph embedding (KGE) models…

人工智能 · 计算机科学 2024-04-08 Tengfei Ma , Xiang song , Wen Tao , Mufei Li , Jiani Zhang , Xiaoqin Pan , Jianxin Lin , Bosheng Song , xiangxiang Zeng

Knowledge graph embedding (KGE) models represent each entity and relation of a knowledge graph (KG) with low-dimensional embedding vectors. These methods have recently been applied to KG link prediction and question answering over…

计算与语言 · 计算机科学 2022-03-22 Apoorv Saxena , Adrian Kochsiek , Rainer Gemulla

Knowledge Graphs (KGs) have found many applications in industry and academic settings, which in turn, have motivated considerable research efforts towards large-scale information extraction from a variety of sources. Despite such efforts,…

机器学习 · 计算机科学 2021-01-25 Andrea Rossi , Donatella Firmani , Antonio Matinata , Paolo Merialdo , Denilson Barbosa

Knowledge graph embedding (KGE) focuses on representing the entities and relations of a knowledge graph (KG) into the continuous vector spaces, which can be employed to predict the missing triples to achieve knowledge graph completion…

计算与语言 · 计算机科学 2023-07-25 Yichi Zhang , Wen Zhang

The knowledge graph (KG) stores a large amount of structural knowledge, while it is not easy for direct human understanding. Knowledge graph-to-text (KG-to-text) generation aims to generate easy-to-understand sentences from the KG, and at…

人工智能 · 计算机科学 2022-07-05 Jin Liu , Chongfeng Fan , Fengyu Zhou , Huijuan Xu

Knowledge graphs (KGs) are key tools in many AI-related tasks such as reasoning or question answering. This has, in turn, propelled research in link prediction in KGs, the task of predicting missing relationships from the available…

人工智能 · 计算机科学 2023-02-15 Luis Galárraga

Automatic construction of large knowledge graphs (KG) by mining web-scale text datasets has received considerable attention recently. Estimating accuracy of such automatically constructed KGs is a challenging problem due to their size and…

人工智能 · 计算机科学 2016-12-02 Prakhar Ojha , Partha Talukdar

Knowledge Graphs (KGs) store information in the form of (head, predicate, tail)-triples. To augment KGs with new knowledge, researchers proposed models for KG Completion (KGC) tasks such as link prediction; i.e., answering (h; p; ?) or (?;…

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

Retrieval of information from graph-structured knowledge bases represents a promising direction for improving the factuality of LLMs. While various solutions have been proposed, a comparison of methods is difficult due to the lack of…

机器学习 · 计算机科学 2025-12-05 Alberto Cattaneo , Carlo Luschi , Daniel Justus

In research, measuring instruments play a crucial role in producing the data that underpin scientific discoveries. Information about instruments is essential in data interpretation and, thus, knowledge production. However, if at all…

数字图书馆 · 计算机科学 2025-07-18 Muhammad Haris , Sören Auer , Markus Stocker

Knowledge graphs (KGs) provide information in machine interpretable form. In cases where multiple KGs are used in the same system, that information needs to be integrated. This is usually done by automated matching systems. Most of those…

信息检索 · 计算机科学 2021-11-04 Sven Hertling , Heiko Paulheim

Knowledge graphs (KGs) often contain sufficient information to support the inference of new facts. Identifying logical rules not only improves the completeness of a knowledge graph but also enables the detection of potential errors, reveals…

计算与语言 · 计算机科学 2025-08-01 Nasim Shirvani-Mahdavi , Devin Wingfield , Amin Ghasemi , Chengkai Li

Large Language Models (LLMs) demonstrate strong reasoning abilities but face limitations such as hallucinations and outdated knowledge. Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) addresses these issues by grounding LLM…

计算与语言 · 计算机科学 2025-03-04 Mufei Li , Siqi Miao , Pan Li