4 thoughts on “From AT to ArchivesSpace Part 1: Installation and Cleaning Data for Migration

  1. I was kind of shocked by this: “ArchivesSpace will try to change any unrecognized subject type to a Topical term upon migration, but when that Topical term already exists, the system will not migrate the specific local term and any record linking to it will lose that link, and thus that descriptive information.”

    Perhaps we should work together to assemble a list of ASpace migration bugs — it would be helpful to let others learn from our frustrations.

  2. Nice tip about using Excel to find duplicate subject entries! You could also do this in SQL, like so:

    select subjectTerm, count(*) as frequency
    from Subjects
    group by subjectTerm
    having frequency > 1

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