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Embedding knowledge graphs (KGs) into continuous vector spaces is a focus of current research. Early works performed this task via simple models developed over KG triples. Recent attempts focused on either designing more complicated triple…

人工智能 · 计算机科学 2018-06-08 Boyang Ding , Quan Wang , Bin Wang , Li Guo

Current methods for embedding-based query answering over incomplete Knowledge Graphs (KGs) only focus on inductive reasoning, i.e., predicting answers by learning patterns from the data, and lack the complementary ability to do deductive…

人工智能 · 计算机科学 2023-09-01 Medina Andresel , Trung-Kien Tran , Csaba Domokos , Pasquale Minervini , Daria Stepanova

Rule mining on knowledge graphs allows for explainable link prediction. Contrarily, embedding-based methods for link prediction are well known for their generalization capabilities, but their predictions are not interpretable. Several…

人工智能 · 计算机科学 2024-06-17 N'Dah Jean Kouagou , Arif Yilmaz , Michel Dumontier , Axel-Cyrille Ngonga Ngomo

Knowledge graph embedding (KGE) models are often used to predict missing links for knowledge graphs (KGs). However, multiple KG embeddings can perform almost equally well for link prediction yet give conflicting predictions for unseen…

人工智能 · 计算机科学 2024-10-07 Yuqicheng Zhu , Nico Potyka , Mojtaba Nayyeri , Bo Xiong , Yunjie He , Evgeny Kharlamov , Steffen Staab

Knowledge graph (KG) plays an increasingly important role in recommender systems. A recent technical trend is to develop end-to-end models founded on graph neural networks (GNNs). However, existing GNN-based models are coarse-grained in…

信息检索 · 计算机科学 2021-02-16 Xiang Wang , Tinglin Huang , Dingxian Wang , Yancheng Yuan , Zhenguang Liu , Xiangnan He , Tat-Seng Chua

Clinical trial records are variable resources or the analysis of patients and diseases. Information extraction from free text such as eligibility criteria and summary of results and conclusions in clinical trials would better support…

计算与语言 · 计算机科学 2020-01-01 Yingcheng Sun , Kenneth Loparo

Automatic extraction of clinical concepts is an essential step for turning the unstructured data within a clinical note into structured and actionable information. In this work, we propose a clinical concept extraction model for automatic…

计算与语言 · 计算机科学 2018-11-28 Henghui Zhu , Ioannis Ch. Paschalidis , Amir Tahmasebi

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) methods have gained enormous attention from a wide range of AI communities including Natural Language Processing (NLP) for text generation, classification and context induction. Embedding a huge number of…

人工智能 · 计算机科学 2022-09-19 Mojtaba Moattari , Sahar Vahdati , Farhana Zulkernine

Knowledge Graphs have been one of the fundamental methods for integrating heterogeneous data sources. Integrating heterogeneous data sources is crucial, especially in the biomedical domain, where central data-driven tasks such as drug…

机器学习 · 计算机科学 2020-12-22 Islam Akef Ebeid , Majdi Hassan , Tingyi Wanyan , Jack Roper , Abhik Seal , Ying Ding

Knowledge Graph (KG) alignment aims at finding equivalent entities and relations (i.e., mappings) between two KGs. The existing approaches utilize either reasoning-based or semantic embedding-based techniques, but few studies explore their…

计算与语言 · 计算机科学 2021-08-23 Zhiyuan Qi , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Yefeng Zheng

Knowledge Graph (KG) completion is an important task that greatly benefits knowledge discovery in many fields (e.g. biomedical research). In recent years, learning KG embeddings to perform this task has received considerable attention.…

机器学习 · 计算机科学 2022-08-01 Adil Bahaj , Safae Lhazmir , Mounir Ghogho

Despite the recent success of reconciling spike-based coding with the error backpropagation algorithm, spiking neural networks are still mostly applied to tasks stemming from sensory processing, operating on traditional data structures like…

神经与进化计算 · 计算机科学 2023-08-25 Dominik Dold , Josep Soler Garrido

Knowledge graph embedding plays an important role in knowledge representation, reasoning, and data mining applications. However, for multiple cross-domain knowledge graphs, state-of-the-art embedding models cannot make full use of the data…

机器学习 · 计算机科学 2021-08-17 Hao Peng , Haoran Li , Yangqiu Song , Vincent Zheng , Jianxin Li

In this chapter we describe new neural-network techniques developed for visual mining clinical electroencephalograms (EEGs), the weak electrical potentials invoked by brain activity. These techniques exploit fruitful ideas of Group Method…

人工智能 · 计算机科学 2007-05-23 Vitaly Schetinin , Joachim Schult , Anatoly Brazhnikov

Off-the-shelf biomedical embeddings obtained from the recently released various pre-trained language models (such as BERT, XLNET) have demonstrated state-of-the-art results (in terms of accuracy) for the various natural language…

计算与语言 · 计算机科学 2020-12-22 Ishani Mondal

Large language models (LLMs) offer new opportunities for constructing knowledge graphs (KGs) from unstructured clinical narratives. However, existing approaches often rely on structured inputs and lack robust validation of factual accuracy…

人工智能 · 计算机科学 2026-01-06 Udiptaman Das , Krishnasai B. Atmakuri , Duy Ho , Chi Lee , Yugyung Lee

Knowledge graph embedding (KGE) methods have achieved great success in handling various knowledge graph (KG) downstream tasks. However, KGE methods may learn biased representations on low-quality KGs that are prevalent in the real world.…

机器学习 · 计算机科学 2024-05-21 Tianzhe Zhao , Jiaoyan Chen , Yanchi Ru , Qika Lin , Yuxia Geng , Jun Liu

Intelligent systems designed using machine learning algorithms require a large number of labeled data. Background knowledge provides complementary, real world factual information that can augment the limited labeled data to train a machine…

人工智能 · 计算机科学 2020-05-12 Shreyansh Bhatt , Amit Sheth , Valerie Shalin , Jinjin Zhao

The rise of graph-structured data has driven major advances in Graph Machine Learning (GML), where graph embeddings (GEs) map features from Knowledge Graphs (KGs) into vector spaces, enabling tasks like node classification and link…

机器学习 · 计算机科学 2026-01-27 Rosario Napoli , Gabriele Morabito , Antonio Celesti , Massimo Villari , Maria Fazio
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