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Creating Citable Data Identifiers Ryan Scherle Mark Diggory.

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Presentation on theme: "Creating Citable Data Identifiers Ryan Scherle Mark Diggory."— Presentation transcript:

1 Creating Citable Data Identifiers Ryan Scherle Mark Diggory

2  Mimosa house  807 South Virginia Dare Trail  Kill Devil Hills, NC USA  27948

3   N, W

4  S84-A41  WP0ZZZ99ZTS392124

5 Loxosceles reclusa

6 Citing identifiers  Mimosa house  807 South Virginia Dare Trail    Loxosceles reclusa  N, W  S84-A41  WP0ZZZ99ZTS392124

7 Identifiers matter  Some identifiers are machine-friendly, some are human-friendly  For citations, you need to strike a balance  Good identifiers are a critical selling point for an repository

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12 Principles of citable identifiers

13 1. Use DOIs   Scientists are familiar with DOIs

14 1. Use DOIs   Scientists are familiar with DOIs  DOIs are supported by many tools and services

15 1. Use DOIs   Scientists are familiar with DOIs  DOIs are supported by many tools and services Current support: EprintsDspaceFedora No With work

16 2. Keep identifiers simple   Complex identifiers are fine for machines, but they’re bad for humans.  Despite best intentions, humans sometimes need to work with identifiers manually.

17 2. Keep identifiers simple   Complex identifiers are fine for machines, but they’re bad for humans.  Despite best intentions, humans sometimes need to work with identifiers manually. Current support: EprintsDspaceFedora Yes

18 3. Use syntax to illustrate relationships   Adding a tiny bit of semantics to an identifier is incredibly useful  Useful for various human “hacks”  Useful for statistics

19 3. Use syntax to illustrate relationships   Adding a tiny bit of semantics to an identifier is incredibly useful Current support: EprintsDspaceFedora No With work

20 4. When “meaning-bearing” content changes, create a versioned identifier  Scientists want data to be invariant to enable reuse by machines  Even a single bit makes a difference  Watch out for implicit abstractions…  What about DOI conventions?

21 5. When “meaningless” content changes, retain the current identifier  Descriptive metadata must be editable without creating a new identifier.  Humans rarely care about metadata changes, especially for citation purposes!  Caveat: machine-oriented systems may consider the “metadata” to be data, which requires identifier changes

22 Current versioning support EPrints Support for flexible versioning/relationships, but no support for expressing these relationships in identifiers. DSpace None. Fedora Implicit versioning of all data and metadata. This is highly useful, but it is too granular for citation purposes.

23 Principles of citable identifiers 1. Use DOIs 2. Keep identifiers simple 3. Use syntax to illustrate relationships 4. When “meaning-bearing” content changes, create a versioned identifier 5. When “meaningless” content changes, retain the current identifier

24 Hacking DSpace to support…  DOI identifier registration  Semantics in identifiers  Citation publication  Versioning

25 DSpace identifier services  Handle system independence  More future identifier systems will come.  Granular control  Separate reservation from registration  Citation  Registration of metadata with external services

26 DSpace identifier services

27 DataCite content service

28 Promoting accurate citations Added suggested citation formats up front

29 Versioning  Versioning is item “editioning”  Creation of new versions is a “user mediated” process (submitter or reviewer)  Versioning does not alter the original item  Version relationships are maintained independent of the item’s metadata

30 Submission-based revisions

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33 Result: Citable data versions doi: /dryad.bb7m4

34 Future technical directions  Add metadata versioning under the hood -- may need to rethink some of the current system  Integrate our changes to core DSpace  Moving these features into the core requires further discussion with the Dspace user community

35 How are we doing? For 186 articles associated with Dryad deposits:  77% had “good” citations to the data  2% had “bad” citations to the data  21% had no data citations Standards for data citation are still evolving. Journals have yet to agree on where to place data citations, and authors are just starting to become familiar with the concept.

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38 What should you do now?  Analyze how data is used and cited outside the repository  Determine whether use is more machine- oriented or more human-oriented  Design identifiers and identifier management to facilitate the observed uses

39 Thanks! Ryan Scherle Mark Diggory


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