noun
deep web; invisible web
Refers to parts of the internet not indexed by standard search engines, such as private databases, academic archives, and subscription-only content. Distinct from the 'dark web' (ダークウェブ), which is intentionally hidden and often associated with illegal activities.
See also: 深層ウェブ
ディープウェブには、通常の検索エンジンでは見つけられない学術論文がたくさんある。
The deep web contains many academic papers that cannot be found by ordinary search engines.
図書館のデータベースもディープウェブの一部です。
Library databases are also part of the deep web.
Borrowed from English 'deep web', referring to web content not indexed by standard search engines.