Goal is to reject incoming data if it is incorrectly matching an ID in the same project or already in GOKb. A spec is probably needed. Some general ideas include:
Reject a line if its the second instance of an ISSN being ingested from the same project
Do a string check on the title and reject if match is not found with existing title in GOKb.
Check that the coverage dates for the incoming titles are consistent with the publication dates already in GOKb. Reject incoming titles that have date conflicts.
Goal is to reject incoming data if it is incorrectly matching an ID in the same project or already in GOKb. A spec is probably needed. Some general ideas include: