Crossref aims to link research together, making related items more findable, increasing transparency, and showing how ideas spread and develop. There are a number of moving parts in this effort: some related to capturing and storing linking information, others to making it available.
This is a companion discussion topic for the original entry at https://0-www-crossref-org.libus.csd.mu.edu/blog/doing-more-with-relationships-via-event-data/