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    Hou Mengwei, Wei Rong, Lu Liang, Lan Xin, Cai Hongwei. Research Review of Knowledge Graph and Its Application in Medical Domain[J]. Journal of Computer Research and Development, 2018, 55(12): 2587-2599. DOI: 10.7544/issn1000-1239.2018.20180623
    Citation: Hou Mengwei, Wei Rong, Lu Liang, Lan Xin, Cai Hongwei. Research Review of Knowledge Graph and Its Application in Medical Domain[J]. Journal of Computer Research and Development, 2018, 55(12): 2587-2599. DOI: 10.7544/issn1000-1239.2018.20180623

    Research Review of Knowledge Graph and Its Application in Medical Domain

    • With the advent of the medical big data era, knowledge interconnection has received extensive attention. How to extract useful medical knowledge from massive data is the key for medical big data analysis. Knowledge graph technology provides a means to extract structured knowledge from massive texts and images.The combination of knowledge graph, big data technology and deep learning technology is becoming the core driving force for the development of artificial intelligence. The knowledge graph technology has a broad application prospect in the medical domain. The application of knowledge graph technology in the medical domain will play an important role in solving the contradiction between the supply of high-quality medical resources and the continuous increase of demand for medical services.At present, the research on medical knowledge graph is still in the exploratory stage. The existing knowledge graph technology generally has several problems such as low efficiency, multiple restrictions and poor expansion in the medical domain. This paper firstly analyzes the medical knowledge graph architecture and construction technology for the strong professionalism and complex structure of big data in the medical domain. Secondly, the key technologies and research progress of the three modules of knowledge extraction, knowledge expression, knowledge fusion and knowledge reasoning in medical knowledge map are summarized. In addition, the application status of medical knowledge maps in clinical decision support, medical intelligence semantic retrieval, medical question answering system and other medical services are introduced. Finally, the existing problems and challenges of current research are discussed and analyzed, and its development is prospected.
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