The CMEData element serves as the root element of the docuemt. The CMEType defines the structure for CME Id related metadata. The AliasesType defines the structure for representing a series of malware alieses. The AliasType defines the structure for representing a malware alies. Define the format for acceptable CME ids. The InsatancesType defines the structure for representing a series of instances of a unit of malware. The TaxonType defines the structure for taxon related metadata. Define the format for acceptable taxon ids. The InsatancesType defines the structure for representing a series of instances of a unit of malware. The SampleType defines the structure for sample related metadata. The SampleIdType defines the structure for representing a malware alies. The InsatancesType defines the structure for representing a series of instances of a unit of malware. The AliasType defines the structure for representing a malware alies. The md5Type defines the structure for representing md5 infomation.