Providing a web site featuring temporary use of non-downloadable software for presenting interactive graphical documentation of digital twin models and digital twin model specifications for autonomous systems and enabling users to graphically navigate and query an ontological structure, elements, and relationships of digital twin models and digital twin model specifications for autonomous systems; Providing a website featuring on-line non-downloadable software that enables users to graphically navigate and query an ontological structure, elements, and relationships of digital twin models and digital twin model specifications for autonomous systems; Providing on-line non-downloadable software for presenting interactive graphical documentation of digital twin models and digital twin model specifications for autonomous systems and enabling users to graphically navigate and query an ontological structure, elements, and relationships of digital twin models and digital twin model specifications for autonomous systems; Providing technology information in the field of autonomous platform operation and digital twin operation; Software as a service (SAAS) services featuring software for autonomous building platforms; Software as a service (SAAS) services featuring software for presenting interactive graphical documentation of digital twin models and digital twin model specifications for autonomous systems and enabling users to graphically navigate and query an ontological structure, elements, and relationships of digital twin models and digital twin model specifications for autonomous systems