ConceptNet is a freely available commonsense knowledgebase and natural-language-processing toolkit which supports many practical textual-reasoning tasks over real-world documents right out-of-the-box (without additional statistical training) including
The W3C's Semantic Web project has been described in many ways over the last few years: an extension of the current web in which information is given well-defined meaning, a place where machines can analyze all the data on the Web, even a Web in which machine reasoning will be ubiquitous and devastatingly powerful. The problem with descriptions this general, however, is that they don't answer the obvious question: What is the Semantic Web good for?
S. Schmidt, M. Li, S. Weigel, and C. Peters. International Conference on Design Science Research in Information Systems and Technology (DESRIST), Springer, (August 2021)
D. Milward, and M. Beveridge. Proceedings of the 3rd IJCAI Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Acapulco, Mexico, page 9-18. (2003)