Contributor Role Ontologies and Taxonomies (CROTs) are standard vocabularies to describe individual contributions a scholarly project or research output. Roles Taxonomy (CRediT) is one of the most widely used CROTs, has been adopted by numerous journals author's contributions, recently formalized as ANSI/NISO standard. Despite these developments, there still much work left be done improve how C...

Open source software is becoming increasingly prominent and the economic structure of open source development is changing. In recent years, firms motivated by revenues from software services markets have become the primary contributors to open source development. In this paper we study the role of services in open source software development and explore the choice between open source and propri...