中文
相关论文

相关论文: Knowledge Graph Refinement based on Triplet BERT-N…

200 篇论文

Semantic context surrounding a triplet $(h, r, t)$ is crucial for Knowledge Graph Completion (KGC), providing vital cues for prediction. However, traditional node-based message passing mechanisms, when applied to knowledge graphs, often…

人工智能 · 计算机科学 2025-09-11 Siyuan Li , Yan Wen , Ruitong Liu , Te Sun , Ruihao Zhou , Jingyi Kang , Yunjia Wu

Knowledge graph embedding models (KGEMs) are used for various tasks related to knowledge graphs (KGs), including link prediction. They are trained with loss functions that consider batches of true and false triples. However, different kinds…

机器学习 · 计算机科学 2024-03-07 Nicolas Hubert , Pierre Monnin , Armelle Brun , Davy Monticolo

Knowledge graph (KG) embedding techniques use structured relationships between entities to learn low-dimensional representations of entities and relations. The traditional KG embedding techniques (such as TransE and DistMult) estimate these…

机器学习 · 计算机科学 2022-10-17 Saurav Manchanda

Currently, there is a rapidly increasing need for high-quality biomedical knowledge graphs (BioKG) that provide direct and precise biomedical knowledge. In the context of COVID-19, this issue is even more necessary to be highlighted.…

人工智能 · 计算机科学 2020-12-03 Sendong Zhao , Bing Qin , Ting Liu , Fei Wang

Knowledge Graph Embedding (KGE) models are used to learn continuous representations of entities and relations. A key task in the literature is predicting missing links between entities. However, Knowledge Graphs are not just sets of links…

人工智能 · 计算机科学 2023-08-28 Thiviyan Thanapalasingam , Emile van Krieken , Peter Bloem , Paul Groth

Link prediction is critical for the application of incomplete knowledge graph (KG) in the downstream tasks. As a family of effective approaches for link predictions, embedding methods try to learn low-rank representations for both entities…

计算与语言 · 计算机科学 2019-11-22 Canran Xu , Ruijiang Li

This paper presents a novel approach to network management by integrating intent-based networking (IBN) with knowledge graphs (KGs), creating a more intuitive and efficient pipeline for service orchestration. By mapping high-level business…

网络与互联网体系结构 · 计算机科学 2024-05-14 Kashif Mehmood , Katina Kralevska , David Palma

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

Knowledge graphs have emerged as a sophisticated advancement and refinement of semantic networks, and their deployment is one of the critical methodologies in contemporary artificial intelligence. The construction of knowledge graphs is a…

人工智能 · 计算机科学 2024-05-07 Daqian Shi

While neural networks have been used extensively to make substantial progress in the machine translation task, they are known for being heavily dependent on the availability of large amounts of training data. Recent efforts have tried to…

计算与语言 · 计算机科学 2019-02-26 Diego Moussallem , Mihael Arčan , Axel-Cyrille Ngonga Ngomo , Paul Buitelaar

Entity linking (EL) aligns textual mentions with their corresponding entities in a knowledge base, facilitating various applications such as semantic search and question answering. Recent advances in multimodal entity linking (MEL) have…

信息检索 · 计算机科学 2025-04-22 Juyeon Kim , Geon Lee , Taeuk Kim , Kijung Shin

Knowledge graphs have evolved rapidly in recent years and their usefulness has been demonstrated in many artificial intelligence tasks. However, knowledge graphs often have lots of missing facts. To solve this problem, many knowledge graph…

人工智能 · 计算机科学 2019-04-08 Takuma Ebisu , Ryutaro Ichise

In this work, we aim at equipping pre-trained language models with structured knowledge. We present two self-supervised tasks learning over raw text with the guidance from knowledge graphs. Building upon entity-level masked language models,…

计算与语言 · 计算机科学 2020-04-30 Tao Shen , Yi Mao , Pengcheng He , Guodong Long , Adam Trischler , Weizhu Chen

Lexical relations describe how concepts are semantically related, in the form of relation triples. The accurate prediction of lexical relations between concepts is challenging, due to the sparsity of patterns indicating the existence of…

计算与语言 · 计算机科学 2020-12-04 Chengyu Wang , Minghui Qiu , Jun Huang , Xiaofeng He

Knowledge graphs (KGs) contain rich information about world knowledge, entities and relations. Thus, they can be great supplements to existing pre-trained language models. However, it remains a challenge to efficiently integrate information…

计算与语言 · 计算机科学 2020-10-05 Donghan Yu , Chenguang Zhu , Yiming Yang , Michael Zeng

In recent years, knowledge graph embeddings have achieved great success. Many methods have been proposed and achieved state-of-the-art results in various tasks. However, most of the current methods present one or more of the following…

机器学习 · 计算机科学 2025-01-09 Yuhe Bai

Knowledge graphs represent known facts using triplets. While existing knowledge graph embedding methods only consider the connections between entities, we propose considering the relationships between triplets. For example, let us consider…

机器学习 · 计算机科学 2023-10-24 Chanyoung Chung , Joyce Jiyoung Whang

Most knowledge graph completion (KGC) methods learn latent representations of entities and relations of a given graph by mapping them into a vector space. Although the majority of these methods focus on static knowledge graphs, a large…

机器学习 · 计算机科学 2023-09-29 Duygu Sezen Islakoglu , Mel Chekol , Yannis Velegrakis

Predicting missing facts in a knowledge graph (KG) is a crucial task in knowledge base construction and reasoning, and it has been the subject of much research in recent works using KG embeddings. While existing KG embedding approaches…

计算与语言 · 计算机科学 2020-10-09 Xuelu Chen , Muhao Chen , Changjun Fan , Ankith Uppunda , Yizhou Sun , Carlo Zaniolo

Knowledge graph embedding (KGE) models are extensively studied for knowledge graph completion, yet their evaluation remains constrained by unrealistic benchmarks. Standard evaluation metrics rely on the closed-world assumption, which…

机器学习 · 计算机科学 2025-06-11 Nasim Shirvani-Mahdavi , Farahnaz Akrami , Chengkai Li