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 Tina
Alcoholic
 
Registered: 07/15/08
Posts: 1,174
Loc: Middle America
Last seen: 3 months, 1 day
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 quick question. 
#350682 - 01/20/10 10:53 AM (14 years, 10 months ago) |
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what is a web crawler???
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elcharrosays
Registered: 04/24/08
Posts: 2,757
Last seen: 14 years, 3 months
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 Re: quick question. [Re: Tina]
#350685 - 01/20/10 11:03 AM (14 years, 10 months ago) |
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Tina
Alcoholic
Registered: 07/15/08
Posts: 1,174
Loc: Middle America
Last seen: 3 months, 1 day
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nice.
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Tina
Alcoholic
Registered: 07/15/08
Posts: 1,174
Loc: Middle America
Last seen: 3 months, 1 day
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Re: quick question. [Re: Tina]
#350690 - 01/20/10 11:12 AM (14 years, 10 months ago) |
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but- you know- real talk, what is it?
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 Inverted
CNC Machinist/Greenthumb
Registered: 06/01/08
Posts: 9,953
Loc: North Star 
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Re: quick question. [Re: Tina]
#350692 - 01/20/10 11:15 AM (14 years, 10 months ago) |
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Google it
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Don't criticize what you can't understand
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FurrowedBrow
Free yourself from yourself
Registered: 04/20/08
Posts: 12,045
Loc: Carpal Tunnel
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Re: quick question. [Re: Inverted]
#350733 - 01/20/10 12:44 PM (14 years, 10 months ago) |
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A Web crawler is a computer program that browses the World Wide Web in a methodical, automated manner. Other terms for Web crawlers are ants, automatic indexers, bots, and worms[1] or Web spider, Web robot, or—especially in the FOAF community—Web scutter[2].
This process is called Web crawling or spidering. Many sites, in particular search engines, use spidering as a means of providing up-to-date data. Web crawlers are mainly used to create a copy of all the visited pages for later processing by a search engine that will index the downloaded pages to provide fast searches. Crawlers can also be used for automating maintenance tasks on a Web site, such as checking links or validating HTML code. Also, crawlers can be used to gather specific types of information from Web pages, such as harvesting e-mail addresses (usually for spam).
A Web crawler is one type of bot, or software agent. In general, it starts with a list of URLs to visit, called the seeds. As the crawler visits these URLs, it identifies all the hyperlinks in the page and adds them to the list of URLs to visit, called the crawl frontier. URLs from the frontier are recursively visited according to a set of policies.
http://en.wikipedia.org/wiki/Web_crawler
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Tina
Alcoholic
Registered: 07/15/08
Posts: 1,174
Loc: Middle America
Last seen: 3 months, 1 day
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thanks- i checked also.
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