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The SEAD Matchmaker is used to pair datasets to repositories. It was originally part of the SEAD Virtual Archive, which enabled automatic depositing of data into institutional repositories via OAIS Submission Information Packages (SIP). The matchmaker is now The matchmaker is part of the SEAD 2.0 C3PR service (https://github.com/Data-to-Insight-Center/sead2/tree/master/sead-matchmaker). Repositories can register with C3PR, providing information including accepted data types, maximum collection depth, maximum dataset size, minimum metadata fields, affiliations, and global identifier requirements. These are to some extent technical requirements.
SEAD 2.0 introduces the "publish" workflow. The user selects "publish" and the "live object" is copied to a staging area into a "curation object". The user is able to modify the curation object – adding removing files, metadata, etc. There can be many curation objects for a live object. During the publish workflow, SEAD/Clowder represents the curation object as an ORE MAP and sends a request to the C3PR service. The C3PR service matches the ORE-MAP to available repositories based on a set of rules/criteria. The user is presented with a ranked list of repositories based on a best-match against the ORE. The user can opt to publish to any listed repository.
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