The term was coined by Tim Berners-Lee, the inventor of the World Wide Web and director of the World Wide Web Consortium, which oversees the development of proposed Semantic Web standards. He defines the Semantic Web as "a web of data that can be processed directly and indirectly by machines."
Where Web 2.0 is focused on people, the Semantic Web is focused on machines. The Web requires a human operator, using computer systems to perform the tasks required to find, search and aggregate its information. It's impossible for a computer to do these tasks without human guidance because Web pages are specifically designed for human readers. The Semantic Web is a project that aims to change that by presenting Web page data in such a way that it is understood by computers, enabling machines to do the searching, aggregating and combining of the Web's information — without a human operator.
Semantic Web technologies are popular in areas such as research and life sciences where it can help researchers by aggregating data on different medicines and illnesses that have multiple names in different parts of the world. On the Web, Twine is offering a knowledge networking application has been built with Semantic Web technologies. The Joost online television service also uses Semantic technology on the backend. Here Semantic technology is used to help Joost users understand the relationships between pieces of content, enabling them to find the types of content they want most. oracle offers a Semantic Web view of its Oracle Technology Network, called the OTN Semantic Web to name a few of those companies who are implementing Semantic Web technologies.
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