Concerns with the Overlap Tool in Alma

Concerns with the Overlap Tool in Alma

Members have brought several issues to our attention. It is ideal if you can run more than one analysis as a cross-check. Depending on your situation, that could mean trying different options in the Overlap Tool, running reports in analytics or taking data into another tool such as PowerBI or Tableau. Details follow . . .
  1. Alma information for electronic collections is often quite different from vendor information.
    1. Possible workaround - run your analysis both ways.
    2. Note also that some electronic collections don't have portfolio information, so you would need to upload a list from the vendor.
  2. Mixed collections (where electronic collections have ISBNs, ISSNs and items without either identifier)
    1. Possible workaround - break it apart so you can run the appropriate match method for each chunk.
    2. Note that title matching does not work very well. Matching on primary identifiers is usually a better bet.
  3. Dates - There is extra text in the date fields so you might be told no overlap for ebooks where there is overlap. For example: "Available from 1999" and
    "Available from 2004 until 2004".
    1. Possible workaround - run your analysis with and without dates.

If you want help running things more than one way or you need some NZ data - put in a ticket.


Resources
  1. Slides - https://knowledge.exlibrisgroup.com/@api/deki/files/131305/The_New_and_Improved_Alma_Overlap_Analysis_Tool.pptx?revision=2
  2. Documentation - https://knowledge.exlibrisgroup.com/Alma/Product_Documentation/010Alma_Online_Help_(English)/040Resource_Management/070Advanced_Tools/010Overlap_Analysis#Compare_Electronic_Collections_Analysis_in_Consortia



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