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Martin Eve
2024 April 03

Testing times

One of the challenges that we face in Labs and Research at Crossref is that, as we prototype various tools, we need the community to be able to test them. Often, this involves asking for deposit to a different endpoint or changing the way that a platform works to incorporate a prototype. The problem is that our community is hugely varied in its technical capacity and level of ability when it comes to modifying their platform.

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Joe Wass
2024 March 18

Mending Chesterton's Fence: Open Source Decision-making

When each line of code is written it is surrounded by a sea of context: who in the community this is for, what problem we’re trying to solve, what technical assumptions we’re making, what we already tried but didn’t work, how much coffee we’ve had today. All of these have an effect on the software we write. By the time the next person looks at that code, some of that context will have evaporated.

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Martin Eve
2024 March 15

Credential Checking at Crossref

It turns out that one of the things that is really difficult at Crossref is checking whether a set of Crossref credentials has permission to act on a specific DOI prefix. This is the result of many legacy systems storing various mappings in various different software components, from our Content System through to our CRM. To this end, I wrote a basic application, credcheck, that will allow you to test a Crossref credential against an API.

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Patrick Polischuk
2024 March 13

Subject codes, incomplete and unreliable, have got to go

Subject classifications have been available via the REST API for many years but have not been complete or reliable from the start and will soon be deprecated. dfdfd The subject metadata element was born out of a Labs experiment intended to enrich the metadata returned via Crossref Metadata Search with All Subject Journal Classification codes from Scopus. This feature was developed when the REST API was still fairly new, and we now recognize that the initial implementation worked its way into the service prematurely.

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Crossref™ Search Pilot Adds 16 New Publishers

08 July 2004

LYNNFIELD, MA, July 8, 2004 – Crossref announced today that its new pilot initiative in collaboration with Google™ search technologies has added 16 additional publishers. Crossref Search now enables users to search the full text of high-quality, peer-reviewed journal articles, conference proceedings, and other resources covering the full spectrum of scholarly research from 25 leading publishers.

Crossref Search is available to all users, free of charge, on the websites of participating publishers, and encompasses current journal issues as well as back files. The results are delivered from the regular Google index but filter out everything except the participating publishers’ content, and will link to the content on publishers’ websites via DOIs (Digital Object Identifiers) or regular URLs. Crossref itself doesn’t host any content or perform searches – Crossref works behind the scenes with Google to facilitate the crawling of content on publishers’ sites and sets the policies and guidelines governing publisher participation in the initiative. As well as enabling Crossref Search, the partnership with Google also means that full-text content from the publishers is also referenced by the main Google.com index in its more general searches. Participating publishers now include:

American Physical Society
Annual Reviews
Ashley Publications
Association for Computing Machinery
BioMed Central
Blackwell Publishing
BMJ Publishing Group
Cold Spring Harbor Laboratory Press
FASEB
INFORMS
Institute of Physics Publishing
International Union of Crystallography
Investigative Opthamology and Visual Science
Journal of Clinical Oncology
Lawrence Erlbaum Associates
Medicine Publishing Group
Nature Publishing Group
Oldenbourg Wissenschaftsverlag
Oxford University Press
PNAS
Royal College of Psychiatrists
University of California Press
University of Chicago Press
Vathek Publishing
John Wiley & Sons

The Crossref Search pilot will run through 2004 to evaluate functionality and to gather feedback from scientists, scholars and librarians for the purpose of fine-tuning the program. Participating publishers are also investigating how DOIs can be used to improve indexing of content and enable persistent links from search results to the full text of content at publishers’ sites. Crossref is also in discussion with other search engines.

Please contact our communications team with any questions.

Last updated: 2004-July-08