ABSTRACT
The paper introduces the basic concept of metadata and the building process of metadata directory of TCM therapeutic principle and method information based on data meta-model,complementing a part of metadata directory of basic TCM method (therapeutic principle and method) of the Health Information Metadata Catalogue,summarizes problems found in the building process and advising on the further rationalization of the metadata directory.
ABSTRACT
The paper introduces some common methods (including web crawler technology,Chinese words segmentation and keyword extraction algorithm) of Web data mining,acquires the data related to insomnia in the online medical website through the web crawler technology,classifies and processes the data,carries out words segmentation and keywords extraction of the text data based on the rules,and analyzes the gender and age distribution situations,symptoms,causes of disease and other characteristics of patients with insomnia.