Web indexing - Definition and Overview

Web indexing (or "Internet indexing") includes back-of-book-style indexes to individual websites or web documents (these are relatively rare), and the creation of metadata (subject keywords) to provide a more useful vocabulary for Internet search engines.

Mention:

early techniques pre-dating the Web
- WAIS, archie
Web spidering
keyword search
Google PageRank algorithm

Example Usage of indexing
	simpsonfiles: Murdoch clearly doesn't understand the Internet. He now wants to block google from indexing his sites http://bit.ly/pkFrM
	jeremyday: Damn Cool Algorithms: Spatial indexing with Quadtrees and Hilbert Curves http://bit.ly/10VKkX <- Algorithms are awesome.
	pmbatty: 20+ year old paleo spatial indexing algorithms are "damn cool" :) http://bit.ly/2CZW70 (via @umapper)

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Web indexing - Definition and Overview

Example Usage of indexing