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16.4 Ontologies for Bayesian Networks 373


<VAR NAME="Cold" TYPE="discrete">
<DESCRIPTION>Patient has mild upper respiratory
viral infection</DESCRIPTION>
<STATENAME>Absent</STATENAME>
<STATENAME>Present</STATENAME>
</VAR>
<VAR NAME="PerceivesFever" TYPE="discrete">
<DESCRIPTION>
Patient self-diagnoses a fever
</DESCRIPTION>
<STATENAME>Absent</STATENAME>
<STATENAME>Present</STATENAME>
</VAR>
<VAR NAME="Temperature" TYPE="continuous">
<DESCRIPTION>
Oral measurement of the body temperature
of the patient
</DESCRIPTION>
</VAR>
</VARIABLES>
<STRUCTURE>
<ARC PARENT="Flu" CHILD="PerceivesFever"/>
<ARC PARENT="Flu" CHILD="Temperature"/>
<ARC PARENT="Cold" CHILD="PerceivesFever"/>
<ARC PARENT="Cold" CHILD="Temperature"/>
</STRUCTURE>
<DISTRIBUTIONS>
<DIST TYPE="discrete">
<PRIVATE NAME="Flu"/>
<DPIS>
<DPI>0.9999 0.0001</DPI>
</DPIS>
</DIST>
<DIST TYPE="discrete">
<PRIVATE NAME="Cold"/>
<DPIS>
<DPI>0.99 0.01</DPI>
</DPIS>
</DIST>
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