中文
相关论文

相关论文: Biomedical Knowledge Graph Embeddings with Negativ…

200 篇论文

Knowledge graphs represent facts about real-world entities. Most of these facts are defined as positive statements. The negative statements are scarce but highly relevant under the open-world assumption. Furthermore, they have been…

人工智能 · 计算机科学 2023-11-16 Rita T. Sousa , Sara Silva , Catia Pesquita

Knowledge graphs represent information as structured triples and serve as the backbone for a wide range of applications, including question answering, link prediction, and recommendation systems. A prominent line of research for exploring…

机器学习 · 计算机科学 2025-10-15 Rita T. Sousa , Heiko Paulheim

Knowledge graphs are large, useful, but incomplete knowledge repositories. They encode knowledge through entities and relations which define each other through the connective structure of the graph. This has inspired methods for the joint…

人工智能 · 计算机科学 2018-03-05 Bhushan Kotnis , Vivi Nastase

Discovery gene-disease links is important in biology and medicine areas, enabling disease identification and drug repurposing. Machine learning approaches accelerate this process by leveraging biological knowledge represented in ontologies…

机器学习 · 计算机科学 2025-04-14 Catarina Canastra , Cátia Pesquita

Knowledge graphs are powerful tools for representing and organising complex biomedical data. Several knowledge graph embedding algorithms have been proposed to learn from and complete knowledge graphs. However, a recent study demonstrates…

Ontology-based approaches for predicting gene-disease associations include the more classical semantic similarity methods and more recently knowledge graph embeddings. While semantic similarity is typically restricted to hierarchical…

机器学习 · 计算机科学 2021-06-01 Susana Nunes , Rita T. Sousa , Catia Pesquita

Much of biomedical and healthcare data is encoded in discrete, symbolic form such as text and medical codes. There is a wealth of expert-curated biomedical domain knowledge stored in knowledge bases and ontologies, but the lack of reliable…

人工智能 · 计算机科学 2020-06-25 David Chang , Ivana Balazevic , Carl Allen , Daniel Chawla , Cynthia Brandt , Richard Andrew Taylor

Knowledge graphs represent real-world entities and their relations in a semantically-rich structure supported by ontologies. Exploring this data with machine learning methods often relies on knowledge graph embeddings, which produce latent…

机器学习 · 计算机科学 2023-06-23 Rita T. Sousa , Sara Silva , Catia Pesquita

Knowledge Graph (KG) is a graph based data structure to represent facts of the world where nodes represent real world entities or abstract concept and edges represent relation between the entities. Graph as representation for knowledge has…

社会与信息网络 · 计算机科学 2024-04-16 Manita Pote

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

Knowledge graphs (KGs) are an important tool for representing complex relationships between entities in the biomedical domain. Several methods have been proposed for learning embeddings that can be used to predict new links in such graphs.…

人工智能 · 计算机科学 2026-05-12 Daniel Daza , Dimitrios Alivanistos , Payal Mitra , Thom Pijnenburg , Michael Cochez , Paul Groth

In recent years, we have witnessed the proliferation of knowledge graphs (KG) in various domains, aiming to support applications like question answering, recommendations, etc. A frequent task when integrating knowledge from different KGs is…

数据库 · 计算机科学 2023-06-08 Nikolaos Fanourakis , Vasilis Efthymiou , Dimitris Kotzinos , Vassilis Christophides

Knowledge graphs (KGs) are typically incomplete and we often wish to infer new facts given the existing ones. This can be thought of as a binary classification problem; we aim to predict if new facts are true or false. Unfortunately, we…

机器学习 · 计算机科学 2022-01-11 Ainaz Hajimoradlou , Mehran Kazemi

Knowledge Graphs (KGs) are widely employed in artificial intelligence applications, such as question-answering and recommendation systems. However, KGs are frequently found to be incomplete. While much of the existing literature focuses on…

人工智能 · 计算机科学 2024-06-28 Sakher Khalil Alqaaidi , Krzysztof Kochut

Knowledge Graph Embedding models have become an important area of machine learning.Those models provide a latent representation of entities and relations in a knowledge graph which can then be used in downstream machine learning tasks such…

人工智能 · 计算机科学 2022-10-18 Md Rashad Al Hasan Rony , Mirza Mohtashim Alam , Semab Ali , Jens Lehmann , Sahar Vahdati

Knowledge graphs (KGs), as structured representations of real world facts, are intelligent databases incorporating human knowledge that can help machine imitate the way of human problem solving. However, KGs are usually huge and there are…

机器学习 · 计算机科学 2023-06-27 Haotian Li , Hongri Liu , Yao Wang , Guodong Xin , Yuliang Wei

Motivation: Biological data and knowledge bases increasingly rely on Semantic Web technologies and the use of knowledge graphs for data integration, retrieval and federated queries. In the past years, feature learning methods that are…

Knowledge graph embedding involves learning representations of entities -- the vertices of the graph -- and relations -- the edges of the graph -- such that the resulting representations encode the known factual information represented by…

机器学习 · 计算机科学 2023-03-21 Thomas Gebhart , Jakob Hansen , Paul Schrater

Graph is an important data representation which occurs naturally in the real world applications \cite{goyal2018graph}. Therefore, analyzing graphs provides users with better insights in different areas such as anomaly detection…

机器学习 · 计算机科学 2024-05-06 Elika Bozorgi , Saber Soleimani , Sakher Khalil Alqaiidi , Hamid Reza Arabnia , Krzysztof Kochut

Knowledge graph is a collection of facts, known as triples(head, relation, tail), which are represented in form of a network, where nodes are entities and edges are relations among the respective head and tail entities. Embedding of…

量子物理 · 物理学 2025-02-26 Pulak Ranjan Giri , Mori Kurokawa , Kazuhiro Saito
‹ 上一页 1 2 3 10 下一页 ›