RESUMO
Taking Physician Data Query (PDQ(R)),which is provided for doctors and patients by National Cancer Institute (NCI),for example,the paper carries out comparative analysis on professional and public editions of PDQ from the perspective of vocabulary and syntax to make clear the significant statistical difference between the knowledge bases facing patients and doctors.
RESUMO
Around the ontology construction,diagnosis rule construction,ontology inference mechanism and so on in the process of ontology-based construction of medical knowledge base,the paper states respectively the involved key technologies and methods in each link,lists the examples of the construction of the domain knowledge base through relevant technologies,explores the best method of constructing the medical domain knowledge base.