Latest blog posts
Martyn Rittman
2024 July 02

Crossmark community consultation: What did we learn?

In the first half of this year we’ve been talking to our community about post-publication changes and Crossmark. When a piece of research is published it isn’t the end of the journey—it is read, reused, and sometimes modified. That’s why we run Crossmark, as a way to provide notifications of important changes to research made after publication. Readers can see if the resesarch they are looking at has updates by clicking the Crossmark logo.

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Kornelia Korzec
2024 July 01

Celebrating five years of Grant IDs: where are we with the Crossref Grant Linking System?

We’re happy to note that this month, we are marking five years since Crossref launched its Grant Linking System. The Grant Linking System (GLS) started life as a joint community effort to create ‘grant identifiers’ and support the needs of funders in the scholarly communications infrastructure. The system includes a funder-designed metadata schema and a unique link for each award which enables connections with millions of research outputs, better reporting on the research and outcomes of funding, and a contribution to open science infrastructure.

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Dominika Tkaczyk
2024 June 27

The anatomy of metadata matching

In our previous blog post about metadata matching, we discussed what it is and why we need it (tl;dr: to discover more relationships within the scholarly record). Here, we will describe some basic matching-related terminology and the components of a matching process. We will also pose some typical product questions to consider when developing or integrating matching solutions. Basic terminology Metadata matching is a high-level concept, with many different problems falling into this category.

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Luis Montilla
2024 June 15

Drawing on the Research Nexus with Policy documents: Overton’s use of Crossref API

Update 2024-07-01: This post is based on an interview with Euan Adie, founder and director of Overton._ What is Overton? Overton is a big database of government policy documents, also including sources like intergovernmental organizations, think tanks, and big NGOs and in general anyone who’s trying to influence a government policy maker. What we’re interested in is basically, taking all the good parts of the scholarly record and applying some of that to the policy world.

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Problems with dx.doi.org on January 20th 2015- what we know.

Geoffrey Bilder

Geoffrey Bilder – 2015 January 21

In HandleIdentifiersPersistenceDataCite

Hell’s teeth.

So today (January 20th, 2015) the DOI HTTP resolver at dx.doi.org started to fail intermittently around the world. The doi.org domain is managed by CNRI on behalf of the International DOI Foundation. This means that the problem affected all DOI registration agencies including Crossref, DataCite, mEDRA etc. This also means that more popularly known end-user services like FigShare and Zenodo were affected. The problem has been fixed, but the fix will take some time to propagate throughout the DNS system. You can monitor the progress here:

https://www.whatsmydns.net/#A/doi.org

Now for the embarrassing stuff…

DOIs unambiguously and persistently identify published, trustworthy, citable online scholarly literature. Right?

Geoffrey Bilder

Geoffrey Bilder – 2013 September 20

In IdentifiersInteroperabilityORCIDPersistenceDataCite

The South Park movie , “Bigger, Longer & Uncut” has a DOI: a) http://dx.doi.org/10.5240/B1FA-0EEC-C316-3316-3A73-L So does the pornographic movie, “Young Sex Crazed Nurses”: b) http://dx.doi.org/10.5240/4CF3-57AB-2481-651D-D53D-Q And the following DOI points to a fake article on a “Google-Based Alien Detector”: c) http://dx.doi.org/10.6084/m9.figshare.93964 And the following DOI refers to an infamous fake article on literary theory: d) http://dx.doi.org/10.2307/466856 This scholarly article discusses the entirely fictitious Australian “Drop Bear”: e) http://dx.doi.org/10.1080/00049182.2012.731307 The following two DOIs point to the same article- the first DOI points to the final author version, and the second DOI points to the final published version:

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Crossmark community consultation: What did we learn?

2024 July 02

Celebrating five years of Grant IDs: where are we with the Crossref Grant Linking System?

2024 July 01

The anatomy of metadata matching

2024 June 27

Drawing on the Research Nexus with Policy documents: Overton’s use of Crossref API

2024 June 15

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