ICS 392 Ch15 - Chapter 15 Randall Arakawa DePaul University...

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Chapter 15 Randall Arakawa DePaul University ICS 392 Search Engines and Directories
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Search Engines Google, Altavista Use spiders (crawlers, bots) Create a database or index Uses attributes and keys Use algorithm for ranking search results Repetition, Prominence, Emphasis, Link popularity, and penalties
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Search Traffic Searches Per Day  ( Millions ) Per Month  ( Millions ) Google 91 2,733 Yahoo 60 1,792 MSN 28 845 AOL 16 486 Ask 13 378 Others 6 166 Total 213 6,400 Source: http://searchenginewatch.com/
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Category: Travel Destinations and Accommodations hotels.com disney world holiday inn Source: http://searchenginewatch.com/
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Category: Food and Beverage pizza hut mcdonalds starbucks Source: http://searchenginewatch.com/
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Category: IT and Internet paypal mapquest people search Source: http://searchenginewatch.com/
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Interesting Facts Brin/Page18.5 Billion PhD Students 4 th youngest Billionaire Yang offer 44 Billion for Yahoo Jerry Yang Larry Page Sergey Brin
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ICS 392 Ch15 - Chapter 15 Randall Arakawa DePaul University...

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