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Information × Registration Number 2115U002671, Article popup.category Thesis Title popup.author popup.publication 01-01-2015 popup.source_user Сумський державний університет popup.source http://essuir.sumdu.edu.ua/handle/123456789/40487 popup.publisher Sumy State University Description We got accustomed to the fact that all the information on the Internet instantly could be found by search engines. They know everything about everyone. But is it really so? It turns out there are areas in WWW, neither Google nor Yandex have access. Moreover, according to most experts, their size is hundreds of times greater than the size of the rest of the internet. This secret web called deep web. popup.nrat_date 2025-05-12 Close