Seems that there’s life in the old dog yet.

PURL Redux

TLDR: We’ve successfully moved the main Crossref systems to the cloud! We’ve more to do, with several bugs identified and fixed, and a few still ongoing.

TLDR: We’ve successfully moved the main Crossref systems to the cloud! We’ve more to do, with several bugs identified and fixed, and a few still ongoing. However, it’s a step in the right direction and a significant milestone, as, whilst it is a much larger financial investment, it addresses several risks and limitations and shores up the Crossref infrastructure for the future.

We’ve migrated to the cloud; we hope you didn’t notice (but maybe you did)

Allen Renear and Carole Palmer have just published an article titled “Strategic Reading, Ontologies, and the Future of Scientific Publishing” in the current issue of Science (http://dx.doi.org/10.1126/science.1157784). I’m particularly happy to see this paper published because I actually got to witness the genesis of these ideas in my living room

Allen Renear and Carole Palmer have just published an article titled “Strategic Reading, Ontologies, and the Future of Scientific Publishing” in the current issue of

 Science

(http://dx.doi.org/10.1126/science.1157784). I’m particularly happy to see this paper published because I actually got to witness the genesis of these ideas in my living room back in 2006.

Strategic Reading

The new PRISM spec (v. 2.0) was published this week, see the press release. (Downloads are available here.) This is a significant development as there is support for XMP profiles, to complement the existing XML and RDF/XML profiles.

The new PRISM spec (v. 2.0) was published this week, see the press release. (Downloads are available here.)  This is a significant development as there is support for XMP profiles, to complement the existing XML and RDF/XML profiles.

prism:doi

Do you want to help make research communications better in all corners of the globe? Come and join the world of nonprofit open infrastructure and be part of improving the creation and sharing of knowledge.

Do you want to help make research communications better in all corners of the globe? Come and join the world of nonprofit open infrastructure and be part of improving the creation and sharing of knowledge. We are recruiting for three new staff positions, all new roles and all fully remote and flexible. See below for more about our ethos and what it’s like working at Crossref.

We’re hiring! New technical, community, and membership roles at Crossref

Some small organisations who want to register metadata for their research and participate in Crossref are not able to do so due to financial, technical, or language barriers. To attempt to reduce these barriers we have developed several programs to help facilitate membership.

Some small organisations who want to register metadata for their research and participate in Crossref are not able to do so due to financial, technical, or language barriers. To attempt to reduce these barriers we have developed several programs to help facilitate membership. One of the most significant—and successful—has been our Sponsor program.

Refocusing our Sponsors Program; a call for new Sponsors in specific countries

This blog post is from Lettie Conrad and Michelle Urberg, cross-posted from the The Scholarly Kitchen. As sponsors of this project, we at Crossref are excited to see this work shared out.

This blog post is from Lettie Conrad and Michelle Urberg, cross-posted from the The Scholarly Kitchen. As sponsors of this project, we at Crossref are excited to see this work shared out.

The scholarly publishing community talks a LOT about metadata and the need for high-quality, interoperable, and machine-readable descriptors of the content we disseminate.

Measuring Metadata Impacts: Books Discoverability in Google Scholar

I’m pleased to share the 2022 board election slate. Crossref’s Nominating Committee received 40 submissions from members worldwide to fill five open board seats. We maintain a balance of eight large member seats and eight small member seats. A member’s size is determined based on the membership fee tier they pay.

I’m pleased to share the 2022 board election slate. Crossref’s Nominating Committee received 40 submissions from members worldwide to fill five open board seats. We maintain a balance of eight large member seats and eight small member seats. A member’s size is determined based on the membership fee tier they pay. We look at how our total revenue is generated across the membership tiers and split it down the middle.

2022 Board Election

I’m delighted to say that Martin Paul Eve will be joining Crossref as a Principal R&amp;D Developer starting in January 2023. As a Professor of Literature, Technology, and Publishing at Birkbeck, University of London- Martin has always worked on issues relating to metadata and scholarly infrastructure.

Martin Paul Eve is joining our R&amp;D group as a Principal Developer

The ecosystem of scholarly metadata is filled with relationships between items of various types: a person authored a paper, a paper cites a book, a funder funded research. Those relationships are absolutely essential: an item without them is missing the most basic context about its structure, origin, and impact.

Crossref

The ecosystem of scholarly metadata is filled with relationships between items of various types: a person authored a paper, a paper cites a book, a funder funded research. Those relationships are absolutely essential: an item without them is missing the most basic context about its structure, origin, and impact. No wonder that finding and exposing such relationships is considered very important by virtually all parties involved.

Follow the money, or how to link grants to research outputs

Just over a year ago, Crossref announced that our board had adopted the Principles of Open Scholarly Infrastructure (POSI). It was a well-timed announcement, as 2021 yet again showed just how dangerous it is for us to assume that the infrastructure systems we depend on for scholarly research will not disappear

Just over a year ago, Crossref announced that our board had adopted the Principles of Open Scholarly Infrastructure (POSI).  It was a well-timed announcement, as 2021 yet again showed just how dangerous it is for us to assume that the infrastructure systems we depend on for scholarly research will not disappear altogether or adopt a radically different focus. We adopted POSI to ensure that Crossref would not meet the same fate.

POSI fan tutte

Earlier this year, Ginny posted an exciting update on Crossref’s progress with adopting ROR, the Research Organisation Registry for affiliations, announcing that we’d started the collection of ROR identifiers in our metadata input schema.

A ROR-some update to our API

We are pleased to share the 2021 board election slate. Crossref’s Nominating Committee received over 60 submissions from members worldwide to fill five open board seats. It was a fantastic group of applicants and showed the strength of our membership community.

We are pleased to share the 2021 board election slate. Crossref’s Nominating Committee received over 60 submissions from members worldwide to fill five open board seats. It was a fantastic group of applicants and showed the strength of our membership community. There are five seats open for election (three small, two large), and the Nominating Committee presents the following slate.

2021 Board Election

To help better support the discovery, sale and analysis of books, Jennifer Kemp from Crossref and Mike Taylor from Digital Science, present seven reasons why publishers should collect chapter-level metadata.

To help better support the discovery, sale and analysis of books, Jennifer Kemp from Crossref and Mike Taylor from Digital Science, present seven reasons why publishers should collect chapter-level metadata.

Book publishers should have been in the best possible position to take advantage of the movement of scholarly publishing to the internet.

Crossing the Rubicon - The case for making chapters visible

Hello, I’m Paul Davis and I’ve been part of the Crossref support team since May 2017. In that time I’ve become more adept as a DOI detective, helping our members work out whodunnit when it comes to submission errors.

Hello, I’m Paul Davis and I’ve been part of the Crossref support team since May 2017. In that time I’ve become more adept as a DOI detective, helping our members work out

 whodunnit

when it comes to submission errors. If you have ever received one of our error messages after you have submitted metadata to us, you may know that some are helpful and others are, well, difficult to decode.

Memoirs of a DOI detective...it’s error-mentary dear members

It seems like ages ago, particularly given recent events, but we had our first public request for feedback on proposed schema updates in December and January. The feedback we received indicated two big things: we’re on the right track, and you want us to go further.

It seems like ages ago, particularly given recent events, but we had our first public request for feedback on proposed schema updates in December and January. The feedback we received indicated two big things: we’re on the right track, and you want us to go further. This update has some significant but important changes to contributors, but is otherwise a fairly moderate update.

You’ve had your say, now what? Next steps for schema changes

The first version of our metadata input schema (a DTD, to be specific) was created in 1999 to capture basic bibliographic information and facilitate matching DOIs to citations.

The first version of our metadata input schema (a DTD, to be specific) was created in 1999 to capture basic bibliographic information and facilitate matching DOIs to citations. Over the past 20 years the bibliographic metadata we collect has deepened, and we’ve expanded our schema to include funding information, license, updates, relations, and other metadata.

Proposed schema changes - have your say

The official countdown to PIDapalooza 2020 begins here! It’s 163 days to go till our flame-lighting opening ceremony at the fabulous Belem Cultural Center in Lisbon, Portugal.

DataCite

University of California Office of the President

The official countdown to PIDapalooza 2020 begins here! It’s 163 days to go till our flame-lighting opening ceremony at the fabulous Belem Cultural Center in Lisbon, Portugal. Your friendly neighborhood PIDapalooza Planning Committee—Helena Cousijn (DataCite), Maria Gould (CDL), Stephanie Harley (ORCID), Alice Meadows (ORCID), and I—are already hard at work making sure it’s the best one so far!

We'll be rocking your world again at PIDapalooza 2020

The Open Funder Registry plays a critical role in making sure that our members correctly identify the funding sources behind the research that they are publishing.

The Open Funder Registry plays a critical role in making sure that our members correctly identify the funding sources behind the research that they are publishing. It addresses a similar problem to the one that led to the creation of ORCID: researchers’ names are hard to disambiguate and are rarely unique; they get abbreviated, have spelling variations and change over time. The same is true of organisations.

Big things have small beginnings: the growth of the Open Funder Registry

More and better license information is at the top of a lot of Christmas lists from a lot of research institutions and others who regularly use Crossref metadata. I know, I normally just ask for socks too.

License metadata FTW

Nowadays we’re all trying to eat healthier, get fitter, be more mindful and stay in the now. You think you’re doing a good job — perhaps you’ve started a yoga class or got a book on mindfulness. And then, wham!

Nowadays we’re all trying to eat healthier, get fitter, be more mindful and stay in the now. You think you’re doing a good job — perhaps you’ve started a yoga class or got a book on mindfulness. And then, wham! Someone in your organisation casually mentions they’re planning a platform migration. I can sense the panic from here.

Zen and the Art of Platform Migration

As part of our blog series highlighting some of the tools and services that use our API, we asked Michael Parkin—Data Scientist at the European Bioinformatics Institute—a few questions about how Europe PMC uses our metadata where preprints are concerned.

As part of our blog series highlighting some of the tools and services that use our API, we asked Michael Parkin—Data Scientist at the European Bioinformatics Institute—a few questions about how Europe PMC uses our metadata where preprints are concerned. Tell us a bit about Europe PMC   Europe PMC is a knowledgebase for life science research literature and a platform for innovation based on the content, such as text mining.

Using the Crossref REST API. Part 12 (with Europe PMC)

LIVE18, your Crossref annual meeting, is fast approaching!

Join us in Toronto this November for LIVE18

“Pre-prints” are sometimes neither Pre nor Print (c.f. https://doi.org/10.12688/f1000research.11408.1, but they do go on and get published in journals.

“Pre-prints” are sometimes neither Pre nor Print (c.f. https://doi.org/10.12688/f1000research.11408.1, but they do go on and get published in journals. While researchers may have different motivations for posting a preprint, such as establishing a record of priority or seeking rapid feedback, the primary motivation appears to be timely sharing of results prior to journal publication. So where in fact do preprints get published?

Leaving the house - where preprints go

Hello there. I’m Amanda Bartell, and I joined the Crossref team in mid-October as the new Head of Member Experience.

Hello there. I’m Amanda Bartell, and I joined the Crossref team in mid-October as the new Head of Member Experience. My new Member Experience team will be responsible for metadata users as well as members, onboarding new accounts, supporting existing ones, and making sure that everyone can make the most of Crossref services - an an easy and efficient way.

Dr. Livingstone, I presume…a two month expedition deep into the heart of research publishing

Aliaksandr Birukou is the Executive Editor for Computer Science at Springer Nature and is chair of the Group that has been working to establish a persistent identifier system and registry for scholarly conferences.

Aliaksandr Birukou is the Executive Editor for Computer Science at Springer Nature and is chair of the Group that has been working to establish a persistent identifier system and registry for scholarly conferences. Here Alex provides some background to the work and asks for input from the community:

Roughly one year ago, Crossref and DataCite started a working group on conference and project identifiers.

PIDs for conferences - your comments are welcome!

We work with a huge range of organisations in the scholarly communications world—publishers, libraries, universities, government agencies, funders, publishing service providers, and researcher services providers—and you each have different relationships with us. Some of you are members who create and disseminate your own content, register it with us by depositing metadata,

We work with a huge range of organisations in the scholarly communications world—publishers, libraries, universities, government agencies, funders, publishing service providers, and researcher services providers—and you each have different relationships with us.  Some of you are members who create and disseminate your own content, register it with us by depositing metadata, and help steer our future by voting in our annual board elections.

Are you having an identity crisis?

Happy birthday, ORCID! It’s their fifth birthday today and it’s gratifying to me—as a founding board member and former Chair of the board—to see how successful it has become. ORCID has a great staff, over 700 members from 41 countries and is quickly approaching 4 million ORCID iDs.

Happy birthday, ORCID! It’s their fifth birthday today and it’s gratifying to me—as a founding board member and former Chair of the board—to see how successful it has become. ORCID has a great staff, over 700 members from 41 countries and is quickly approaching 4 million ORCID iDs. Crossref—it’s board, staff, and members—has been an ORCID supporter from the start.

Celebrating ORCID at five

We’ve been talking about it at events, blogging about it on our site, living it, breathing it, and even sometimes dreaming about it, and now we are delighted to announce that Crossref Event Data has entered Beta.

Event Data enters Beta

Crossref is governed by a board of directors that meets in person three times a year in March, July and November.

Crossref is governed by a board of directors  that meets in person three times a year in March, July and November.

Scenario planning for our future

There’s a saying about oil, something along the lines of “you really don’t want to see how it’s made”. And whilst I’m reluctant to draw too many parallels between the petrochemical industry and scholarly publishing, there are some interesting comparisons to be drawn.

There’s a saying about oil, something along the lines of “you really don’t want to see how it’s made”. And whilst I’m reluctant to draw too many parallels between the petrochemical industry and scholarly publishing, there are some interesting comparisons to be drawn. Oil starts its life deep underground as an amorphous sticky substance.

You do want to see how it's made —&nbsp;seeing what goes into altmetrics

So, Google’s Knol is now live (see this announcement on Google’s Blog). There’ll be comment aplenty about the merits of this service and how it compares to other user contributed content sites.

Knols and Citations

You might have missed it, but you haven’t missed out. If you want to watch – or savor re-watching – the presentations from last week’s 2015 Crossref Annual Meeting, we’ve embedded each video below in chronological order.

You might have missed it, but you haven’t missed out.

If you want to watch – or savor re-watching – the presentations from last week’s 2015 Crossref Annual Meeting, we’ve embedded each video below in chronological order. Sit back, relax, and take it all in (again) just as though you were in an air-conditioned ballroom at the Taj.

Watch Speaker Videos from the 2015 Annual Meeting

The role of preprints Crossref provides infrastructure services and therefore we support scholarly communications as it evolves over time.

The role of preprints   Crossref provides infrastructure services and therefore we support scholarly communications as it evolves over time.

Hello preprints, what’s your story?

This month we have officially released a new version of our input metadata schema.

This month we have officially released a new version of our input metadata schema. As well as walking through the latest additions, I’ll also describe here how we’re starting to develop a new streamlined and open approach to schema development, using GitLab and some of the ideas under discussion going forward.

Building better metadata with schema releases

Today, we’re delighted to let you know that Crossref members can now use ROR IDs to identify funders in any place where you currently use Funder IDs in your metadata.

Today, we’re delighted to let you know that Crossref members can now use ROR IDs to identify funders in any place where you currently use Funder IDs in your metadata. Funder IDs remain available, but this change allows publishers, service providers, and funders to streamline workflows and introduce efficiencies by using a single open identifier for both researcher affiliations and funding organisations.

Come ROR with us: Using ROR IDs in place of Funder IDs

As the linking hub for scholarly content, it’s our job to tame URLs and put in their place something better. Why? Most URLs suffer from link rot and can be created, deleted or changed at any time. And that’s a problem if you’re trying to cite them.

URLs and DOIs: a complicated relationship

With Library of Congress sometime back (Feb. ’08) announcing LCCN Permalinks and NLM also (Mar.

With Library of Congress sometime back (Feb. ’08) announcing LCCN Permalinks and NLM also (Mar. ’08) introducing simplified web links with its PubMed identifier one might be forgiven for wondering what is the essential difference between a DOI name and these (and other) seemingly like-minded identifiers from a purely web point of view.

The Thing About DOI

Metadata is one of the most important tools needed to communicate with each other about science and scholarship. It tells the story of research that travels throughout systems and subjects and even to future generations.

Metadata is one of the most important tools needed to communicate with each other about science and scholarship. It tells the story of research that travels throughout systems and subjects and even to future generations. We have metadata for organising and describing content, metadata for provenance and ownership information, and metadata is increasingly used as signals of trust.

Metadata beyond discoverability

For the third year in a row, Crossref hosted a roundtable on research integrity prior to the Frankfurt book fair. This year the event looked at Crossmark, our tool to display retractions and other post-publication updates to readers.

For the third year in a row, Crossref hosted a roundtable on research integrity prior to the Frankfurt book fair. This year the event looked at Crossmark, our tool to display retractions and other post-publication updates to readers. Since the start of 2024, we have been carrying out a consultation on Crossmark, gathering feedback and input from a range of members.

Research Integrity Roundtable 2024

At the end of last year, we were excited to announce our renewed commitment to community and the launch of three cross-functional programs to guide and accelerate our work.

At the end of last year, we were excited to announce our renewed commitment to community and the launch of three cross-functional programs to guide and accelerate our work. We introduced this new approach to work towards better cross-team alignment, shared responsibility, improved communication and learning, and make more progress on the things members need.

The programs approach: our experiences during the first quarter of 2025

In 2022, we wrote a blog post “Rethinking staff travel, meetings, and events” outlining our new approach to staff travel, meetings, and events with the goal of not going back to ‘normal’ after the pandemic and said that in the future we would report on our efforts to balance online

In 2022, we wrote a blog post “Rethinking staff travel, meetings, and events” outlining our new approach to staff travel, meetings, and events with the goal of not going back to ‘normal’ after the pandemic and said that in the future we would report on our efforts to balance online and virtual events, work life balance for staff, and track our carbon emissions.

A second look at Crossref's carbon footprint - the 2024 report

Background The Principles of Open Scholarly Infrastructure (POSI) provides a set of guidelines for operating open infrastructure in service to the scholarly community. It sets out 16 points to ensure that the infrastructure on which the scholarly and research communities rely is openly governed, sustainable, and replicable.

Background   The Principles of Open Scholarly Infrastructure (POSI) provides a set of guidelines for operating open infrastructure in service to the scholarly community. It sets out 16 points to ensure that the infrastructure on which the scholarly and research communities rely is openly governed, sustainable, and replicable.

2024 POSI audit

Lots of exciting innovations are being made in scientific publishing, often raising fundamental questions about established publishing practices. In this guest post, Ludo Waltman and André Brasil discuss the recently launched MetaROR publish-review-curate platform and the questions it raises about good practices for Crossref DOI registration in this emerging landscape.

Leiden University

Lots of exciting innovations are being made in scientific publishing, often raising fundamental questions about established publishing practices.

Innovation in scientific publishing and its implications for Crossref DOI registration practices - Request for input

Update 2024-07-01: This post is based on an interview with Euan Adie, founder and director of Overton._ What is Overton?

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 organisations, think tanks, and big NGOs and in general anyone who’s trying to influence a government policy maker.

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

Metadata about research objects and the relationships between them form the basis of the scholarly record: rich metadata has the potential to provide a richer context for scholarly output, and in particular, can provide trust signals to indicate integrity.

Metadata about research objects and the relationships between them form the basis of the scholarly record: rich metadata has the potential to provide a richer context for scholarly output, and in particular, can provide trust signals to indicate integrity. Information on who authored a research work, who funded it, which other research works it cites, and whether it was updated, can act as signals of trustworthiness.

ISR Roundtable 2023: The future of preserving the integrity of the scholarly record together

The Crossref Nominating Committee is inviting expressions of interest to join the Board of Directors of Crossref for the term starting in January 2025. The committee will gather responses from those interested and create the slate of candidates that our membership will vote on in an election in September.

This year's call for expressions of interest to join our board

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.

Birkbeck, University of London

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.

Testing times

In January 2023, we began our Global Equitable Membership (GEM) Program to provide greater membership equitability and accessibility to organisations located in the least economically advantaged countries in the world. Eligibility for the program is based on a member’s country;

In January 2023, we began our  Global Equitable Membership (GEM) Program to provide greater membership equitability and accessibility to organisations located in the least economically advantaged countries in the world. Eligibility for the program is based on a member’s country; our list of countries is predominantly based on the International Development Association (IDA). Eligible members pay no membership or content registration fees.

The GEM program - year one

Have you attended any of our annual meeting sessions this year? Ah, yes – there were many in this conference-style event.

Have you attended any of our annual meeting sessions this year? Ah, yes – there were many in this conference-style event. I, as many of my colleagues, attended them all because it is so great to connect with our global community, and hear your thoughts on the developments at Crossref, and the stories you share. Let me offer some highlights from the event and a reflection on some emergent themes of the day.

What was the talk of #Crossref2023?

This year’s public data file is now available, featuring over 156 million metadata records deposited with Crossref through the end of April 2024 from over 19,000 members. A full breakdown of Crossref metadata statistics is available here.

This year’s public data file is now available, featuring over 156 million metadata records deposited with Crossref through the end of April 2024 from over 19,000 members. A full breakdown of Crossref metadata statistics is available here. Like last year, you can download all of these records in one go via Academic Torrents or directly from Amazon S3 via the “requester pays” method.

2024 public data file now available, featuring new experimental formats

The Crossref Nominating Committee invites expressions of interest to join the Board of Directors of Crossref for the term starting in March 2024. The committee will gather responses from those interested and create the slate of candidates that our members will vote on in an election in September.

The Crossref Nominating Committee invites expressions of interest to join the Board of Directors of Crossref for the term starting in March 2024. The committee will gather responses from those interested and create the slate of candidates that our members will vote on in an election in September. Expressions of interest will be due Monday, June 26th, 2023.

Our annual call for board nominations

In August 2022, the United States Office of Science and Technology Policy (OSTP) issued a memo (PDF) on ensuring free, immediate, and equitable access to federally funded research (a.k.a. the “Nelson memo”). Crossref is particularly interested in and relevant for the areas of this guidance that cover metadata and persistent

In August 2022, the United States Office of Science and Technology Policy (OSTP) issued a memo (PDF) on ensuring free, immediate, and equitable access to federally funded research (a.k.a. the “Nelson memo”). Crossref is particularly interested in and relevant for the areas of this guidance that cover metadata and persistent identifiers—and the infrastructure and services that make them useful.

How funding agencies can meet OSTP (and Open Science) guidance using existing open infrastructure

In my blog post on October 6th, I promised an update on what caused the outage and what we are doing to avoid it happening again. This is that update. Crossref hosts its services in a hybrid environment.

In my blog post on October 6th, I promised an update on what caused the outage and what we are doing to avoid it happening again. This is that update. Crossref hosts its services in a hybrid environment. Our original services are all hosted in a data center in Massachusetts, but we host new services with a cloud provider. We also have a few R&amp;D systems hosted with Hetzner.

Update on the outage of October 6, 2021

One of the main motivators for funders registering grants with Crossref is to simplify the process of research reporting with more automatic matching of research outputs to specific awards.

One of the main motivators for funders registering grants with Crossref is to simplify the process of research reporting with more automatic matching of research outputs to specific awards. In March 2022, we developed a simple approach for linking grants to research outputs and analysed how many such relationships could be established. In January 2023, we repeated this analysis to see how the situation changed within ten months. Interested?

The more the merrier, or how more registered grants means more relationships with outputs

The other day I was out and about and got into a conversation with someone who asked me about my doctoral work in English literature.

How I think about ROR as infrastructure

Preprints have become an important tool for rapidly communicating and iterating on research outputs. There is now a range of preprint servers, some subject-specific, some based on a particular geographical area, and others linked to publishers or individual journals in addition to generalist platforms.

Better preprint metadata through community participation

Unfortunately, Bryan Vickery has moved onto pastures new. I would like to thank him for his many contributions at Crossref and we all wish him well. I’m now pleased to announce that Rachael Lammey will be Crossref’s new Director of Product starting on Monday, May 16th.

Unfortunately, Bryan Vickery has moved onto pastures new. I would like to thank him for his many contributions at Crossref and we all wish him well. I’m now pleased to announce that Rachael Lammey will be Crossref’s new Director of Product starting on Monday, May 16th. Rachael’s skills and experience are perfectly suited for this role.

Announcing our new Director of Product: Rachael Lammey

On October 6 at ~14:00 UTC, our data centre outside of Boston, MA went down. This affected most of our network services- even ones not hosted in the data centre. The problem was that both of our primary and backup network connections went down at the same time.

On October 6 at ~14:00 UTC, our data centre outside of Boston, MA went down. This affected most of our network services- even ones not hosted in the data centre. The problem was that both of our primary and backup network connections went down at the same time. We’re not sure why yet. We are consulting with our network provider. It took us 2 hours to get our systems back online.

Outage of October 6, 2021

Since we announced last September the launch of a new version of iThenticate, a number of you have upgraded and become familiar with iThenticate v2 and its new and improved features which include: A faster, more user-friendly and responsive interface A preprint exclusion filter, giving users the ability to identify content

Since we announced last September the launch of a new version of iThenticate, a number of you have upgraded and become familiar with iThenticate v2 and its new and improved features which include: A faster, more user-friendly and responsive interface A preprint exclusion filter, giving users the ability to identify content on preprint servers more easily A new “red flag” feature that signals the detection of hidden text such as text/quotation

Similarity Check: what’s new with iThenticate v2?

In 2020 we released our first public data file, something we’ve turned into an annual affair supporting our commitment to the Principles of Open Scholarly Infrastructure (POSI). We’ve just posted the 2022 file, which can now be downloaded via torrent like in years past.

In 2020 we released our first public data file, something we’ve turned into an annual affair supporting our commitment to the Principles of Open Scholarly Infrastructure (POSI). We’ve just posted the 2022 file, which can now be downloaded via torrent like in years past. We aim to publish these in the first quarter of each year, though as you may notice, we’re a little behind our intended schedule.

2022 public data file of more than 134 million metadata records now available

22 June 2021, London, UK and Boston, MA, USA — The future of global open access publishing received a boost today with the signing of a Memorandum of Understanding between the Directory of Open Access Journals (DOAJ) and Crossref.

22 June 2021, London, UK and Boston, MA, USA

— The future of global open access publishing received a boost today with the signing of a Memorandum of Understanding between the Directory of Open Access Journals (DOAJ) and Crossref.

DOAJ and Crossref sign agreement to remove barriers to scholarly publishing for all

Crossref Conversations is an audio blog we’re trying out that will cover various topics important to our community. This conversation is between colleagues Anna Tolwinska and Rosa Morais Clark, discussing how we can make research happen faster, with fewer hurdles, and how Crossref can help.

Crossref Conversations is an audio blog we’re trying out that will cover various topics important to our community. This conversation is between colleagues Anna Tolwinska and Rosa Morais Clark, discussing how we can make research happen faster, with fewer hurdles, and how Crossref can help. Our members have been asking us how Crossref can support open science, and we have a few insights to share. So we invite you to have a listen.

Crossref Conversations: audio blog about helping open science

Update: Deadline extended to 23:59 (UTC) 13th March 2020. Distributed Usage Logging (DUL) allows publishers to capture traditional usage activity related to their content that happens on sites other than their own so they can provide reports of “total usage”, for example to subscribing institutions, regardless of where that usage happens.

Can you help us to launch Distributed Usage Logging?

We’ve just added to our input schema the ability to include affiliation information using ROR identifiers. Members who register content using XML can now include ROR IDs, and we’ll add the capability to our manual content registration form, participation reports, and metadata retrieval APIs in the near future.

We’ve just added to our input schema the ability to include affiliation information using ROR identifiers. Members who register content using XML can now include ROR IDs, and we’ll add the capability to our manual content registration form, participation reports, and metadata retrieval APIs in the near future. And we are inviting members to a Crossref/ROR webinar on 29th September at 3pm UTC.

Some rip-RORing news for affiliation metadata

Frankfurt Book Fair (#FBM20) will be online this year since people are really not traveling right now. This special edition of #FBM20 will have an extensive digital program in which we will be participating.

Frankfurt Book Fair (#FBM20) will be online this year since people are really not traveling right now.  This special edition of #FBM20 will have an extensive digital program in which we will be participating. So you can hang out with us from anywhere in the world!

Crossref at the Frankfurt Digital Book Fair

UPDATE, 24 August 2021: All pools have been migrated to the new Elasticsearch-backed API, which already appears to be more stable and performant than the outgoing Solr API. Please report any issues via our Crossref issue repository in Gitlab.

UPDATE, 24 August 2021: All pools have been migrated to the new Elasticsearch-backed API, which already appears to be more stable and performant than the outgoing Solr API. Please report any issues via our Crossref issue repository in Gitlab. UPDATE, 9 August 2021: The cutovers for the polite and Plus pools are delayed again.

Behind the scenes improvements to the REST API

TL;DR: We no longer charge fees for members to participate in Crossmark, and we encourage all our members to register metadata about corrections and retractions - even if you can’t yet add the Crossmark button and pop-up box to your landing pages or PDFs. – Research doesn’t stand still;

TL;DR: We no longer charge fees for members to participate in Crossmark, and we encourage all our members to register metadata about corrections and retractions - even if you can’t yet add the Crossmark button and pop-up box to your landing pages or PDFs. –  Research doesn’t stand still; even after publication, articles can be updated with supplementary data or corrections.

Encouraging even greater reporting of corrections and retractions

Where does the time go… In my blog post on January 14th about Crossref’s 20th anniversary I said, “The one constant in Crossref’s 20 years has been change”. It’s true that there has been constant change, but there has been another constant at Crossref –– me (and DOIs, to be

Where does the time go…   In my blog post on January 14th about Crossref’s 20th anniversary I said, “The one constant in Crossref’s 20 years has been change”. It’s true that there has been constant change, but there has been another constant at Crossref –– me (and DOIs, to be fair). I started as Crossref’s first employee and Executive Director on February 1st, 2000, so I just marked my 20th anniversary with the organisation.

Leaving Crossref

Some of you who have submitted content to us during the first two months of 2021 may have experienced content registration delays. We noticed; you did, too.

Some of you who have submitted content to us during the first two months of 2021 may have experienced content registration delays. We noticed; you did, too. The time between us receiving XML from members, to the content being registered with us and the DOI resolving to the correct resolution URL, is usually a matter of minutes.

Crossref Blog

Embedding standardized metadata in HTML

password control

SEMANTIC WEB: GOOGLE HAS THE ANSWERS, BUT NOT THE QUESTIONS

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