The KBpedia knowledge structure is written in the OWL semantic language; all underlying structures are represented in either OWL or RDF. KBpedia follows best practices, many of which were pioneered by KBpedia's editors, governing knowledge and concept representation and annotations. All languages and knowledge representations are written in W3C-compliant standards.
The Web services are written in Clojure and follow literate programming guidelines. As a result, all code and functionality is richly documented. Documentation can be deployed as Web pages or other standard forms.