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arXiv 2203.08893cs.LGcs.AIcs.CLcs.SI
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用于疾病关系抽取的多模态图学习

Multimodal Learning on Graphs for Disease Relation Extraction

Beijing Institute of Technology(北京理工大学);University of Southern California(南加州大学);Tsinghua University(清华大学);Harvard T.H.Chan School of Public Health(哈佛陈曾熙公共卫生学院);Harvard Medical School(哈佛医学院);Broad Institute of MIT and Harvard(麻省理工学院和哈佛大学博德研究所);Harvard Data Science Initiative(哈佛数据科学研究院)

Yucong Lin, Keming Lu, Sheng Yu, Tianxi Cai, Marinka Zitnik

摘要:

目的:疾病知识图谱是一种连接、组织和访问有关疾病的不同信息的方法,对人工智能(AI)有许多好处。为了创建知识图谱,有必要以疾病概念之间的关系的形式从多模态数据集中提取知识,并规范概念和关系类型。方法:我们介绍REMAP,一种用于疾病关系抽取和分类的多模式方法。REMAP机器学习方法将部分不完整的知识图谱和医学语言数据集联合嵌入到紧凑的潜在向量空间中,然后对齐多模态嵌入以进行最佳疾病关系抽取。结果:我们将REMAP方法应用于具有96,913个关系和124万个句子的文本数据集的疾病知识图谱。在由人类专家注释的数据集上,REMAP通过融合疾病知识图谱与文本信息,将基于文本的疾病关系抽取提高了10.0%(准确率)和17.2%(F1分数)。此外,REMAP利用文本信息来推荐知识图谱中的新关系,比基于图的方法高出8.4%(准确度)和10.4%(F1分数)。结论:REMAP是一种融合结构化知识和文本信息的多模态疾病关系提取和分类方法。REMAP提供了一个灵活的神经架构,可以轻松地找到、访问和验证疾病概念之间的AI驱动关系。

英文摘要:

Objective: Disease knowledge graphs are a way to connect, organize, and access disparate information about diseases with numerous benefits for artificial intelligence (AI). To create knowledge graphs, it is necessary to extract knowledge from multimodal datasets in the form of relationships between disease concepts and normalize both concepts and relationship types. Methods: We introduce REMAP, a multimodal approach for disease relation extraction and classification. The REMAP machine learning approach jointly embeds a partial, incomplete knowledge graph and a medical language dataset into a compact latent vector space, followed by aligning the multimodal embeddings for optimal disease relation extraction. Results: We apply REMAP approach to a disease knowledge graph with 96,913 relations and a text dataset of 1.24 million sentences. On a dataset annotated by human experts, REMAP improves text-based disease relation extraction by 10.0% (accuracy) and 17.2% (F1-score) by fusing disease knowledge graphs with text information. Further, REMAP leverages text information to recommend new relationships in the knowledge graph, outperforming graph-based methods by 8.4% (accuracy) and 10.4% (F1-score). Conclusion: REMAP is a multimodal approach for extracting and classifying disease relationships by fusing structured knowledge and text information. REMAP provides a flexible neural architecture to easily find, access, and validate AI-driven relationships between disease concepts.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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