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Knowledge graph (KG) embedding aims at embedding entities and relations in a KG into a lowdimensional latent representation space. Existing KG embedding approaches model entities andrelations in a KG by utilizing real-valued ,…

机器学习 · 计算机科学 2021-03-24 Chengjin Xu , Mojtaba Nayyeri , Yung-Yu Chen , Jens Lehmann

Many models learn representations of knowledge graph data by exploiting its low-rank latent structure, encoding known relations between entities and enabling unknown facts to be inferred. To predict whether a relation holds between…

机器学习 · 计算机科学 2021-01-19 Carl Allen , Ivana Balažević , Timothy Hospedales

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

机器学习 · 计算机科学 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

Recently decades have witnessed the empirical success of framing Knowledge Graph (KG) embeddings via language models. However, language model-based KG embeddings are usually deployed as static artifacts, making them difficult to modify…

计算与语言 · 计算机科学 2023-12-29 Siyuan Cheng , Ningyu Zhang , Bozhong Tian , Xi Chen , Qingbing Liu , Huajun Chen

Translation-based knowledge graph embedding has been one of the most important branches for knowledge representation learning since TransE came out. Although many translation-based approaches have achieved some progress in recent years, the…

人工智能 · 计算机科学 2022-09-20 Long Yu , Zhicong Luo , Huanyong Liu , Deng Lin , Hongzhu Li , Yafeng Deng

In recent years, Knowledge Graph (KG) development has attracted significant researches considering the applications in web search, relation prediction, natural language processing, information retrieval, question answering to name a few.…

信息检索 · 计算机科学 2022-05-19 Satvik Garg , Dwaipayan Roy

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

Knowledge Graph embedding provides a versatile technique for representing knowledge. These techniques can be used in a variety of applications such as completion of knowledge graph to predict missing information, recommender systems,…

信息检索 · 计算机科学 2021-07-19 Shivani Choudhary , Tarun Luthra , Ashima Mittal , Rajat Singh

Research in Natural Language Processing is making rapid advances, resulting in the publication of a large number of research papers. Finding relevant research papers and their contribution to the domain is a challenging problem. In this…

计算与语言 · 计算机科学 2021-04-06 Shashank Shailabh , Sajal Chaurasia , Ashutosh Modi

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

The Knowledge Graph Entity Typing (KGET) task aims to predict missing type annotations for entities in knowledge graphs. Recent works only utilize the \textit{\textbf{structural knowledge}} in the local neighborhood of entities,…

计算与语言 · 计算机科学 2024-11-18 Muzhi Li , Minda Hu , Irwin King , Ho-fung Leung

Pre-trained language models such as BERT have been proved to be powerful in many natural language processing tasks. But in some text classification applications such as emotion recognition and sentiment analysis, BERT may not lead to…

计算与语言 · 计算机科学 2025-06-03 Zixiao Zhu , Kezhi Mao

In the task of Knowledge Graph Completion (KGC), the existing datasets and their inherent subtasks carry a wealth of shared knowledge that can be utilized to enhance the representation of knowledge triplets and overall performance. However,…

计算与语言 · 计算机科学 2024-05-14 Yongxue Shan , Jie Zhou , Jie Peng , Xin Zhou , Jiaqian Yin , Xiaodong Wang

We present a novel extension to embedding-based knowledge graph completion models which enables them to perform open-world link prediction, i.e. to predict facts for entities unseen in training based on their textual description. Our model…

人工智能 · 计算机科学 2020-01-10 Haseeb Shah , Johannes Villmow , Adrian Ulges , Ulrich Schwanecke , Faisal Shafait

Machine Learning has been the quintessential solution for many AI problems, but learning is still heavily dependent on the specific training data. Some learning models can be incorporated with a prior knowledge in the Bayesian set up, but…

计算与语言 · 计算机科学 2018-05-22 K M Annervaz , Somnath Basu Roy Chowdhury , Ambedkar Dukkipati

Recently, pre-trained language representation models such as bidirectional encoder representations from transformers (BERT) have been performing well in commonsense question answering (CSQA). However, there is a problem that the models do…

计算与语言 · 计算机科学 2022-11-15 Byeongmin Choi , YongHyun Lee , Yeunwoong Kyung , Eunchan Kim

Hypergraphs are characterized by complex topological structure, representing higher-order interactions among multiple entities through hyperedges. Lately, hypergraph-based deep learning methods to learn informative data representations for…

机器学习 · 计算机科学 2024-09-30 Adrián Bazaga , Pietro Liò , Gos Micklem

In Natural Language Processing (NLP), Machine Reading Comprehension (MRC) is the task of answering a question based on a given context. To handle questions in the medical domain, modern language models such as BioBERT, SciBERT and even…

计算与语言 · 计算机科学 2024-12-16 Saptarshi Sengupta , Connor Heaton , Suhan Cui , Soumalya Sarkar , Prasenjit Mitra

Recent advances in information extraction have motivated the automatic construction of huge Knowledge Graphs (KGs) by mining from large-scale text corpus. However, noisy facts are unavoidably introduced into KGs that could be caused by…

计算与语言 · 计算机科学 2020-08-18 Yaqing Wang , Fenglong Ma , Jing Gao

Medical text learning has recently emerged as a promising area to improve healthcare due to the wide adoption of electronic health record (EHR) systems. The complexity of the medical text such as diverse length, mixed text types, and full…

计算与语言 · 计算机科学 2022-10-11 Yong He , Cheng Wang , Shun Zhang , Nan Li , Zhaorong Li , Zhenyu Zeng