This User's Guide introduces the conceptual model of GoodRelations, i.e. all the background information you should need to model arbitrary information with GoodRelations in a syntax of your choice, be it Microdata, RDFa, JSON-LD, or Turtle.
Many people come to the GoodRelations Web site with very concrete goals or tasks at hand, e.g. adding schema.org markup to a particular e-commerce Web site in order to perform better in search engines. This User's Guide