<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Method for identifying invariant set normalization baseline using median expression values. Defined in the documents available at http://bioconductor.org/packages/1.9/bioc/html/affy.html.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>