API for getting Dataset DOI from Datafile DOI?

[Raman Prasad]

What is the best way to get a Dataset DOI when you start with a Datafile DOI?

Input: persistentID of a file

Desired info: JSON-LD citation for the file's dataset

We tried using the search API to get the dataset's persistentID but were unsuccessful.

example:

- working file page: https://dataverse.harvard.edu/file.xhtml?persistentId=doi:10.7910/DVN/TRN8JJ/QNC1RY

- https://dataverse.harvard.edu/api/search?q=doi:10.7910/DVN/TRN8JJ/QNC1RY

   -> gave 27k+ results

- https://dataverse.harvard.edu/api/search?q=persistentId:10.7910/DVN/TRN8JJ/QNC1RY
   -> persisentId isn't a valid attribute

Please let us know if there's a workaround.  Any way to these would help:

  - file persistentId -> file id

  - file persistentId -> dataset persistent Id 

  - file persistentId -> dataset file Id

Thanks,

Raman

[Philip Durbin]

Hi Raman, you've definitely found a bug and a problem with the index on Harvard Dataverse. For now, can you try the demo site? I seem to be having fairly good luck finding https://demo.dataverse.org/file.xhtml?persistentId=doi:10.5072/FK2/Q1RSNG/MVJGHT with https://demo.dataverse.org/api/search?q=filePersistentId:MVJGHT

I'd say that from there you'd have to parse the citation to get the dataset DOI, but because the demo site (and Harvard Dataverse) use the default :DataFilePIDFormat setting of "randomString/DEPENDENT"* in this case you can easily derived the dataset pid from the file pid by simply the last slash and every after it so that "doi:10.5072/FK2/Q1RSNG/MVJGHT" becomes "doi:10.5072/FK2/Q1RSNG".

I hope this makes sense! This seems fairly related to https://github.com/IQSS/dataverse/issues/4616

Thanks,

Phil

* http://guides.dataverse.org/en/4.9.1/installation/config.html#datafilepidformat

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Philip Durbin
Software Developer for http://dataverse.org
http://www.iq.harvard.edu/people/philip-durbin