This document discusses Crossref's importance to PLOS and how they use Crossref features. PLOS uses Crossref for content registration including DOIs, the Crossmark button to show article updates, and as a source for citation counts. PLOS has registered over 264,000 article DOIs and over 4 million component DOIs with Crossref. The document also lists some desired improvements like better support for component DOIs and the peer review deposit schema.

1. Katie Hickling Dan Morgan
September 2019
PLOS
Crossref: A Publisher
Perspective

2. Crossref is really important to PLOS!
We use crossref for:
-Content registration, including DOIs:
We syndicate our metadata to CrossRef. This metadata
is used by other organizations that together help credit
the work, report impact, and track outcomes .
-Crossmark button:
Shows updates to our articles
-A source of citation counts for Article Level Metrics

3. Content Registration: DOIs
Part of the metadata we register with Crossref are
our DOIs.
So far, PLOS has registered:
264,000+ Article DOIs via Crossref
and within them over 4,228,630
component DOIs for figures, tables and
supplementary information

4. Content Registration:
Crossref registration also includes the conveyance
of our metadata to Crossmark, ORCID, and the
Crossref Funder Registry!
.

5. Crossmark
The Crossmark button lets readers see the status of a published
manuscript by displaying any corrections, retractions, or updates to it.
We have the crossmark
button on our published
articles, we update
crossref as to major
changes. This keeps
allows our readers to
know if the version they
are reading is up to date.

6. ALM source of citation counts

7. Desired Roadmap items / discussions
- JATS XML ingest (rather than XSL conversion to Crossref’s
schema) for metadata?
- Better metadata support for component DOIs (DOIs for
figures, SI, etc.): Would be great to have them inherit some
metadata from the parent article?
- Via JATS4R, engagement to ensure Peer Review deposit
schema takes into account all potential relations between,
and dates of, peer review components e.g. Decision Letter
– Reviewer Report – Author response

8. Email me at
dmorgan@plos.org