This document discusses how metadata is used by ScienceOpen, a search platform for scholarly articles. ScienceOpen indexes over 45 million articles and uses metadata like author affiliations, keywords, subject areas, and open access status to filter search results. It also discusses how including richer metadata like abstracts and references in Crossref deposits increases discoverability and views of articles in ScienceOpen. Articles with more metadata elements like abstracts and references receive significantly more views on average.