Hypermedia: A Design Philosophy  

Few designers explicitly think about their applications' interrelationships. Designers appear not have a deep enough conceptualization of their domains to identify intuitive relationships and realize the full scope and interconnections within domains. RNA (Relationship-Navigation Analysis) gives designers and developers an analysis tool to think about an information domain in terms of its interrelationships. RNA incorporates a complete taxonomy of generic relationship types that would apply to any application domain.

Bieber, Michael and Joonhee Yoo. ACM Computing Surveys (1999). Design>Information Design>Hypertext