create an XML schema and an XML instance that validates
it must make use of ID/IDREF to avoid duplication
think carefully about the types and format of the data
post the schema and instance to the public repository
no agreement between groups about the schema in this phase is required
create an XML schema and an XML instance that validates it must make use of ID/IDREF to avoid duplication think carefully about the types and format of the data post the schema and instance to the public repository no agreement between groups about the schema in this phase is required