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. 2020 Oct 7;8(10):e18287. doi: 10.2196/18287

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©Xiaolei Xiu, Qing Qian, Sizhu Wu. Originally published in JMIR Medical Informatics (http://medinform.jmir.org), 07.10.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Medical Informatics, is properly cited. The complete bibliographic information, a link to the original publication on http://medinform.jmir.org/, as well as this copyright and license information must be included.

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Construction framework of a digestive system tumor knowledge graph (DSTKG) based on Chinese electronic medical records (CEMRs). API: application programming interface; BiGRU: bidirectional gated recurrent unit; BiLSTM-CRF: bidirectional long short-term memory with a conditional random field; ICD: International Classification of Diseases; NCI: National Cancer Institute; REST: representational state transfer; SNOMED CT: Systematized Nomenclature of Medicine-Clinical Terms; WHO: World Health Organization.