From the announcement:
The CrossRef Taxonomy Interest Group is a collaboration among publishers, and sponsored by CrossRef, to share the Knowledge Models they are using, creating opportunities for standardization, collaboration and interoperability. Please join the webinar to get an introduction to the work this group is doing, use cases for the information collected and learn how your organization can contribute to the project.
The webinar will take place on Tuesday, March 3rd at 11 am ET.
Source: CrossRef: Join us for the first CrossRef Taxonomies Webinar – March 3rd at 11:00 am ET