Begun as a research project from the Royal Melbourne Institute of Technology and the University of Technology Dresden, WebKnox is an ontology-driven fact extraction engine built to provide direct, fast, and complete answers to questions on any topic a user can think of. To answer a question WebKnox uses external services that might have previously provided an answer or computes an answer using its knowledge base. If those options fail, WebKnox tries to find an answer on the fly.
WebKnox hosts a suite of REST APIs delivering a range of web services. The WebKnox Keywords API provides developer access to keyword data such as how often they are searched and how many competing pages are on Google. The API can also return a list of related keywords.