Example patient(PatientID,Name,Age,Sex,Outcome,...)

patient_diagnosis(PatientID,DiagnosisID,Date,HospitalID)

patient_therapy(PatientID,TherapyID,Dosage,Date,HospitalID)

diagnosis(DiagnosoID,Name,Latin)

therapy(TherapyID,Name,Duartion,StandardMedification)

hospital(HospitalID,Name,Location,Size,Owner,Class)

   

"Patients older than 65 who were diagnosed at a small hospital have an unusally high mortality rate."  patient(I,N,A,S,O) & A > 65 & p_d(I,D,Dt,H) & hospital(H,_,_,small,_,_).

  

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