# LSTM-CRF-medical
构建医疗实体识别的模型,包含词典和语料标注,基于python构建
数据集合标注
数据集合标注可以基于词典,通过最大匹配获得实体位置,然后标注实体类型。
词典构造
目前构造的词典包括疾病词典、症状词典和身体部位词典。疾病词典包括互联网爬取的疾病名称、疾病别名、ICD10疾病名称,去重后共39615条数据;症状为互联网爬取的症状描述,去重后共7457条数据;身体部位为互联网爬取的身体部位描述,去重后共1929条数据。示例如下:
疾病名称:1型糖尿病性急性牙周脓肿,妊娠合并系统性红斑狼疮,结石性胆囊炎,药物性股骨坏死,晚期梅毒性脉络膜炎,腹型过敏性紫癜
症状:胀痛,耳后长包,睡觉流口水,鼻塞,粉红色泡沫样痰,孕妇气喘,痔疮便血,头昏眼花
身体部位:鼻唇沟,鼻处,鼻子,鼻子尖,鼻孔,鼻尖,鼻窦软骨,鼻翼,鼻黏膜
实体检索
选取了ICD10中的5000条疾病描述,根据已有词典进行实体的最大匹配。
以疾病为例,对于输入的疾病描述进行规范化,去掉空格、换行符,去掉无意义的句头和句尾字词等。
对规范化的句子,使用词典中的每个词进行全匹配,记录匹配的词、词的起始index、词的结束index和实体类型。
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温馨提示
毕业设计:python医疗问句中的实体识别算法的研究(源码 + 数据库 + 说明文档) 2 相关技术介绍 3 2.1 B/S架构说明 3 2.2 Python语言 3 2.3 MySQL数据库 3 2.4 知识图谱 4 3 系统需求分析 4 3.1 可行性分析 4 3.1.1 经济可行性 4 3.1.2 运行可行性 5 3.1.3 技术可行性 5 3.2 性能需求分析 5 3.3 非功能需求分析 6 3.4 功能需求分析 6 3.5 系统设计原则 6 4 系统总体设计 7 4.1 系统开发架构设计 7 4.2 系统功能模块设计 8 4.3 E-R图 9 4.4 数据表设计 9 5 系统实现 11 5.1 登录页面 11 5.2 后台页面 11 5.3 问句识别管理页面 11 5.4 问句识别查询页面 12 6 结论与展望 12
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