Futurehead.com

The first incarnation of the web was composed of static websites that linked to each other and search engines to help you find sites of interest. Web 2.0 brought a social element to the web, with users sharing, commenting, and interacting through sites such as YouTube, Facebook, and Flickr. The future web, the "semantic web," or Web 3.0, will embed meaning within digital information so that any given page can be understood by computers as well as people.

The inventor of the World Wide Web, Tim Berners-Lee first mentioned the concept of a semantic web, a web with inbuilt meaning, long before the advent of social sites, but it is yet to become reality. This is despite the ongoing efforts of web engineers, academics, search engine companies, and the web industry itself. There is, researchers writing in the International Journal of Web Engineering and Technology, a semantic web bottleneck.

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