Crossref Community Webinar - 8th September 2016

2. Posted Content
(aka preprints)
Chuck Koscher
Director of Technology
Crossref Community Day Webinar – Sept 8, 2016

3. Crossref’s deposit schema – some observations
Crossref’s deposit schema has very successfully handled formal
publications which are generally published with industry
identifiers ISSN and/or ISBN often as well as a DOI.
• Journals, books (individual volumes or in a series) and
conference proceedings
• These are “containers” holding articles, chapters and
papers.
Crossref’s deposit schema was overhauled in 2015 as it relates
to standards. This effort, lead by the standards community,
modified the schema to better represent standards publications
centered on ‘standard designators’

4. - some observations (continued)
Crossref’s deposit schema has been a bit sloppy in handling of
reports, papers and dissertations. It intermingled formal
publication of this content with less formal posting of this
content.
Our deposit schema has long supported data, and continues to
do so. It handles this content as not formally published and has
liberally (correctly so) been applied to a variety of content
ranging from training videos to economic data sheets as well as
raw data.

5. Crossref’s deposit schema – fixes and improvements
The community is focused on preprints.
So is Crossref.
We are taking this opportunity to make improvements
and fix some warts.

6. Published
Adopt the concept of Published versus Posted *
Mostly stuff that has an ISSN or ISBN where content
items are grouped into publications
Fixes and improvements
Posted
Mostly stuff that has been accepted for posting to a
platform or site that might organize postings into
topics or subject groupings
(* but we’re not making a judgment about quality or value, we just need a way to organize stuff)

7. Fixes and improvements
Both published and posted may undergo processes imposed by
their hosting organization to maintain quality, enforce
standards, address availability … etc … etc … etc
Crossref’s only concern relates to persistence.

8. Improvements
`

9. `
Serial publication with an ISSN containing peer reviewed articles
Volume with an ISBN , that may also
be in a series having an ISSN, which
may contain individual chapters
Mostly a serial publication with an ISSN containing
papers accepted for presentation at a conference.
May also be published as volumes having ISBNs
Dissertations published in an aggregation having an ISBN
Reports (or working papers) published
individually or in aggregation with an ISBN
and/or ISSN (a volume published in a series)
A formal standards body publication having one or
more standard designators, possibly with an ISBN
An entity representing DATA that is not ‘formally’ published
which may contain constituent parts called datasets.

10. Content can by ‘typed’ as a preprint, working-paper, a report, a dissertation
Group title. Intended to help organize the content items by topic or subject area
Contributors. Authors and their role.
Titles. The title and subtitle of the item
Posted date. Date the item became
available online
Institution. Other than than contributor affiliations
Acceptance date. Date the item
was accepted by the host.
Abstract
Funding data. identifying research funders and award numbers
Access indicators. License information
Relations. How this content item relates to other
content (ex. is-a-preprint for)

11. Fixes
`

12. Fixes
Crossref’s deposit schema will be fixed to require ISSN and/or
ISBN with the report-paper and dissertation content types.
If content is not formally published it should be deposited as
posted-content, if its in a published work continue to use
existing report-paper or dissertation content types.
Prior deposited content will be reviewed, members will be
encouraged to re-deposit to use the correct content type.

13. Thank you
Crossref.org
ckoscher@crossref.org
@ckoscher