An entity can be identified at any arbitrary level of granularity-DOI names can identify a journal, an individual issue of a journal, an individual article in the journal, or a single table in that article.
An entity can be identified at any arbitrary level of granularity. DOI names can identify a journal. DOI names can identify an individual article in the journal. DOI names can identify a single table in that article. A journal is an individual issue of a journal.