There’s nothing necessarily secretive about the majority of this hidden content. Next-generation search engines such as Kosmix and info-driven harvesters such as BrightPlanet are working hard to pull data from the deep, while Google now has its own automated deep web search program in place. “For example, there are several scientific data sets (such as the Sloan Digital Sky Survey and the Center for Coastal Margin Observation & Prediction), documents and databases, and these are useful to society and have many important applications.”įor Freire, exposing this data and giving researchers the tools to share and analyse it could be a key step for the evolution of science. “There’s a lot of legitimate and valuable content in the deep web,” said Dr Juliana Freire, the leader of a University of Utah project, DeepPeep, which aims to make deep web content more accessible. “There is a prevailing sense in the database community that we missed the boat with the Treasures of the deep Michael Bergman’s pioneering 2001 study, The Deep Web: Surfacing Hidden Value, estimated that it accounted for 7,500TB of data at a time when search engines could index only 19.Įven the more conservative estimates in a 2007 paper written by Google’s Jayant Madhavan, Alon Halevy and colleagues, suggests that there are more than 25 million different sources of deep web content, many of which are huge repositories. A smaller proportion has been accidentally or purposefully made inaccessible to Google’s crawlers, while other areas sit behind password-protected or subscription-only sites. The majority of this deep web is made up of dynamically created pages and database entries that are accessible only through manual completion of an HTML form. The majority of this deep web is made up of dynamically created pages and database entries that are accessible only through manual completion of an HTML form In computer-science speak, it refers to those portions of the web that, for whatever reason, have been invisible to conventional search engines such as Google. The deep web isn’t half as strange or sinister as it sounds. In fact, they’re separate phenomena, albeit linked by common themes, properties or interests. Those in the know will often talk in terms of the deep or invisible web, darknets and the dark web, and you might think these are all the same thing. The first thing to grasp is that, while the elements that make up this other web have aspects in common, we’re not talking about a single, unified entity. Take a journey with us to the other side of the internet. The deep web is also the new frontier for those who want to rival Google in the field of search. The deep web and its “darknets” are a new battleground for those who want to uphold the right to privacy online, and those who feel that rights need to be sacrificed for the safety of society. Find out how you can disappear from the webĪt the same time, the underground web is the best hope for those who want to escape the bonds of totalitarian state censorship, and share their ideas or experiences with the outside world. There’s many valid reasons why you might not want your online exploits searchable.
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