Open Journal Systems (OJS) sets new standards to achieve OpenAIRE compliance with JATS - OpenAIRE Blogs

"Open Journal Systems (OJS, https://pkp.sfu.ca/ojs/) is an open source journal management and publishing system, developed by the Public Knowledge Project (PKP, https://pkp.sfu.ca/). Around 10,000 journals worldwide and over a thousand journals published in Europe use Open Journal Systems. The latest major version OJS 3 was released in 2016, and since then hundreds of OJS journals have upgraded including large national journal platforms like Tidsskrift.dk and Journal.fi.Therefore, it is important to help the growing number of OJS 3 journals to become compliant with the OpenAIRE infrastructure in terms of comprehensive metadata descriptions of open access articles on research in Europe and beyond...."