The Wikipedia Library: A Partnership of Wikipedia and Publishers to Enhance Research and Discovery

Back in 2014, Geoffrey Bilder blogged about the kick-off of an initiative between Crossref and Wikimediato better integrate scholarly literature into the world’s largest knowledge space, Wikipedia. Since then, Crossref has been working to coordinate activities with Wikimedia: Joe Wass has worked with them to create a live stream of content being cited in Wikipedia; and we’re including Wikipedia in Event Data, a new service to launch later this year. In that time, we’ve also seen Wikipedia importance grow in terms of the volume of DOI referrals.

Python and Ruby Libraries for accessing the Crossref API

I’m a co-founder with rOpenSci, a non-profit that focuses on making software to facilitate reproducible and open science. Back in 2013 we started to make an R client working with various Crossref web services. I was lucky enough to attend last year’s Crossref annual meeting in Boston, and gave one talk on details of the programmatic clients, and another higher level talk on text mining and use of metadata for research.

Community responses to our proposal for early content registration

TL;DR: We will proceed with implementing the proposed support for registering content before online availability. Adopting the workflow will be optional and will involve no extra fees. Background At the end of January, Crossref issued a “request for community comment” on a proposed new process to support the registration of content including DOIs before online availability. We promised that we would summarize the results of the survey once we had received and analyzed all the responses.

Event Data: open for your interpretation

What happens to a research work outside of the formal literature? That’s what Event Data will aim to answer when the service launches later this year. Following the successful DOI Event Tracker pilot in Spring 2014, development has been underway to build our new service, newly re-named Crossref Event Data. It’s an open data service that registers online activity (specifically, events) associated with Crossref metadata. Event Data will collect and store a record of any activity surrounding a research work from a defined set of web sources.

Revived: Crossref Books Interest Group

April Ondis

April Ondis – 2016 February 24

In BooksPublishing

We’re reviving the Books Interest Group, and inviting new members! After a hiatus, Crossref’s Books Interest Group is back. We’re excited to announce that Emily Ayubi of the American Psychological Association has agreed to chair the group. In reviving the group, our intention is to create opportunities to talk about issues that are important to scholarly book publishers. For example, we hope to explore whether it is time to revise the Crossref best practices for depositing, versioning, and linking book content.

Request for Community Comment: registering content before online availability

Crossref is proposing a process to support the registration of content—including DOIs and other metadata—prior to that content being made available, or published, online. We’ve drafted a paper providing background on the reasons we want to support this and highlighting the use cases. One of the main needs is in journal publishing to support registration of Accepted Manuscripts immediately on or shortly after acceptance, and dealing with press embargoes.Proposal doc for community comment

Linking clinical trials = enriched metadata and increased transparency

****We will shortly be adding a new feature to Crossmark. In a section called “Clinical Trials” we will be using new metadata fields to link together all of the publications we know about that reference a particular clinical trial. Most medical journals make clinical trial registration a prerequisite for publication. Trials should be registered with one of the fifteen WHO-approved public trial registries, or with, which is run by the US National Library of Medicine.

Crossref & the Art of Cartography: an Open Map for Scholarly Communications


In the 2015 Crossref Annual Meeting, I introduced a metaphor for the work that we do at Crossref. I re-present it here for broader discussion as this narrative continues to play a guiding role in the development of products and services this year.

Metadata enable connections

Cartography BorgesAt Crossref, we make content easy to find, link, cite, and assess through DOIs. Publishers register their publications and deposit metadata through a variety of channels (XML, CSV, PDF, manual entry), which we process and transform into Crossref XML for inclusion into our corpus. This data infrastructure which makes possible scholarly communications without restrictions on publisher, subject area, geography, etc. is far more than a reference list, index or directory.

ORCID tipping point?

Ginny Hendricks

Ginny Hendricks – 2016 January 07

In ORCIDAuto-Update

Today eight publishers have presented an open letter that sets out the rationale for making ORCID iDs a requirement for all corresponding authors, a move that is being backed by even more publishers and researchers as the news spreads on twitter with #publishORCID. Crossref is a founding organization of ORCID and an ongoing supporter so it’s great to see further uptake and even more benefit for the research community.

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