Abstract :
Ian Horrocks describes the early days of the Web Ontology Language (OWL) and the effort it took to standardize it and other languages. The first Web extra at http://youtu.be/MVTNSRwSCxM is an audio interview in which author Charles Severance speaks with Ian Horrocks about the early days of the Web Ontology Language (OWL) and the effort it took to standardize it and other languages. The second Web extra at http://youtu.be/bl4JshvshT8 is an audio recording of Charles Severance´s Computing Conversations column, in which he discusses his interview with Ian Horrocks about the early days of the Web Ontology Language (OWL).