Many ideas from the Semantic Web are currently in use. The overall advance right now is in what is called "Semantic Enterprise" where everyone knows what everyo

Many ideas from the Semantic Web are currently in use. The overall advance right now is in what is called "Semantic Enterprise" where everyone knows what everyone else is working on via knowledge modeling. Every time you do a Google/Bing search you can see metadata returned. Projects like DBpedia and OpenCyc are huge and will become more important as more devices are networked. It is unlikely that AI will be able to disambiguate concepts from a raw text corpus like a book (indexing) at the quality of a human specialist any time soon. Perhaps with some recent advances in quantum computing the raw horsepower will arrive.