Foreshadowing.

Faceted search
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Faceted search, also called faceted navigation or faceted browsing, is a technique for accessing information organized according to a faceted classification system, allowing users to explore a collection of information by applying multiple filters. A faceted classification system classifies each information element along multiple explicit dimensions, called facets, enabling the classifications to be accessed and ordered in multiple ways rather than in a single, pre-determined, taxonomic order.

Reference material:

"As We May Think" by Vannevar Bush from the July 1, 1945 issue of The Atlantic.
http://www.theatlantic.com/magazine/archive/1945/07/as-we-may-think/303881/