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PowerBrowsingSlides/080 SpidersAndScrapers

Spiders and Scrapers

("Spidering hacks" definitions)

* Spiders (or bots) automatically retrieve data from the web. They are usually more intelligent than teleporters and they usually download full pages.

* Scrapers grab very specific bits of information within these pages.

There are many ready-made bots around the Web. We'll learn to create some.

2014-06-11 14:17