中文
相关论文

相关论文: Augmenting Knowledge Graphs for Better Link Predic…

200 篇论文

Knowledge graph (KG) entity typing aims at inferring possible missing entity type instances in KG, which is a very significant but still under-explored subtask of knowledge graph completion. In this paper, we propose a novel approach for KG…

计算与语言 · 计算机科学 2020-07-22 Yu Zhao , Anxiang Zhang , Ruobing Xie , Kang Liu , Xiaojie Wang

The goal of knowledge graph completion (KGC) is to predict missing links in a KG using trained facts that are already known. In recent, pre-trained language model (PLM) based methods that utilize both textual and structural information are…

人工智能 · 计算机科学 2023-11-09 Sang-Hyun Je , Wontae Choi , Kwangjin Oh

Knowledge Graphs (KGs) have been applied to many tasks including Web search, link prediction, recommendation, natural language processing, and entity linking. However, most KGs are far from complete and are growing at a rapid pace. To…

人工智能 · 计算机科学 2017-11-10 Baoxu Shi , Tim Weninger

Entity alignment is to find identical entities in different knowledge graphs (KGs) that refer to the same real-world object. Embedding-based entity alignment techniques have been drawing a lot of attention recently because they can help…

计算与语言 · 计算机科学 2022-11-08 Xiaobin Tian , Zequn Sun , Guangyao Li , Wei Hu

Entity alignment, which is a prerequisite for creating a more comprehensive Knowledge Graph (KG), involves pinpointing equivalent entities across disparate KGs. Contemporary methods for entity alignment have predominantly utilized knowledge…

计算与语言 · 计算机科学 2024-01-31 Linyao Yang , Hongyang Chen , Xiao Wang , Jing Yang , Fei-Yue Wang , Han Liu

Knowledge graphs (KGs) consisting of a large number of triples have become widespread recently, and many knowledge graph embedding (KGE) methods are proposed to embed entities and relations of a KG into continuous vector spaces. Such…

机器学习 · 计算机科学 2022-05-09 Mingyang Chen , Wen Zhang , Yushan Zhu , Hongting Zhou , Zonggang Yuan , Changliang Xu , Huajun Chen

Entity alignment (EA) for knowledge graphs (KGs) plays a critical role in knowledge engineering. Existing EA methods mostly focus on utilizing the graph structures and entity attributes (including literals), but ignore images that are…

人工智能 · 计算机科学 2023-03-14 Yangning Li , Jiaoyan Chen , Yinghui Li , Yuejia Xiang , Xi Chen , Hai-Tao Zheng

Entity Alignment (EA) seeks to identify and match corresponding entities across different Knowledge Graphs (KGs), playing a crucial role in knowledge fusion and integration. Embedding-based entity alignment (EA) has recently gained…

计算与语言 · 计算机科学 2024-12-09 Xuan Chen , Tong Lu , Zhichun Wang

Knowledge graph completion (KGC) aims to solve the incompleteness of knowledge graphs (KGs) by predicting missing links from known triples, numbers of knowledge graph embedding (KGE) models have been proposed to perform KGC by learning…

人工智能 · 计算机科学 2023-06-14 Jining Wang , Delai Qiu , YouMing Liu , Yining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou

Large language models (LLMs) frequently generate confident yet factually incorrect content when used for language generation (a phenomenon often known as hallucination). Retrieval augmented generation (RAG) tries to reduce factual errors by…

信息检索 · 计算机科学 2026-04-01 Dobrik Georgiev , Kheeran Naidu , Alberto Cattaneo , Federico Monti , Carlo Luschi , Daniel Justus

A knowledge graph (KG) is a data structure which represents entities and relations as the vertices and edges of a directed graph with edge types. KGs are an important primitive in modern machine learning and artificial intelligence.…

人工智能 · 计算机科学 2021-10-20 Michael R. Douglas , Michael Simkin , Omri Ben-Eliezer , Tianqi Wu , Peter Chin , Trung V. Dang , Andrew Wood

Entity alignment seeks to find entities in different knowledge graphs (KGs) that refer to the same real-world object. Recent advancement in KG embedding impels the advent of embedding-based entity alignment, which encodes entities in a…

计算与语言 · 计算机科学 2020-07-21 Zequn Sun , Qingheng Zhang , Wei Hu , Chengming Wang , Muhao Chen , Farahnaz Akrami , Chengkai Li

Learning low-dimensional embeddings of knowledge graphs is a powerful approach used to predict unobserved or missing edges between entities. However, an open challenge in this area is developing techniques that can go beyond simple edge…

社会与信息网络 · 计算机科学 2019-10-30 William L. Hamilton , Payal Bajaj , Marinka Zitnik , Dan Jurafsky , Jure Leskovec

Large language models (LLMs) demonstrate exceptional performance across a variety of tasks, yet they are often affected by hallucinations and the timeliness of knowledge. Leveraging knowledge graphs (KGs) as external knowledge sources has…

计算与语言 · 计算机科学 2024-12-31 Siyuan Fang , Kaijing Ma , Tianyu Zheng , Xinrun Du , Ningxuan Lu , Ge Zhang , Qingkun Tang

This paper investigates techniques for knowledge injection into word embeddings learned from large corpora of unannotated data. These representations are trained with word cooccurrence statistics and do not commonly exploit syntactic and…

计算与语言 · 计算机科学 2020-10-06 Diego Ramirez-Echavarria , Antonis Bikakis , Luke Dickens , Rob Miller , Andreas Vlachidis

Open Knowledge Graphs (such as DBpedia, Wikidata, YAGO) have been recognized as the backbone of diverse applications in the field of data mining and information retrieval. Hence, the completeness and correctness of the Knowledge Graphs…

计算与语言 · 计算机科学 2020-05-07 Russa Biswas , Radina Sofronova , Mehwish Alam , Harald Sack

Knowledge Graphs (KGs) are symbolically structured storages of facts. The KG embedding contains concise data used in NLP tasks requiring implicit information about the real world. Furthermore, the size of KGs that may be useful in actual…

计算与语言 · 计算机科学 2022-05-26 Viktoriia Chekalina , Anton Razzhigaev , Albert Sayapin , Evgeny Frolov , Alexander Panchenko

Knowledge graph embedding models (KGEMs) developed for link prediction learn vector representations for entities in a knowledge graph, known as embeddings. A common tacit assumption is the KGE entity similarity assumption, which states that…

人工智能 · 计算机科学 2024-03-29 Nicolas Hubert , Heiko Paulheim , Armelle Brun , Davy Monticolo

Knowledge Graph Retrieval-Augmented Generation (KG-RAG) extends the RAG paradigm by incorporating structured knowledge from knowledge graphs, enabling Large Language Models (LLMs) to perform more precise and explainable reasoning. While…

计算与语言 · 计算机科学 2026-02-04 Jing Ren , Bowen Li , Ziqi Xu , Xikun Zhang , Haytham Fayek , Xiaodong Li

Knowledge graph (KG) reasoning is a task that aims to predict unknown facts based on known factual samples. Reasoning methods can be divided into two categories: rule-based methods and KG-embedding based methods. The former possesses…

人工智能 · 计算机科学 2024-07-08 Fengsong Sun , Jinyu Wang , Zhiqing Wei , Xianchao Zhang