1. How Internet Search
Engines Work
s1160231 Shuhei Yamashita
s1160235 Yasuhiro Yamamoto
s1160242 Kotaro Yoshida
2009 6 22

2. Internet Search Engine
is...
• The web site that search the Internet for information.
If you type words on a web page that describe the
information you want to find.
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3. Internet Search Engine
uses...
• Crawler or spider with its own set of rules guiding
how documents are gathered.
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4. Spider
Spiders ignore links that lead to graphics, sound files and
animation files. As the discovers documents and URLs.
Software agents are instructed to get the URLs and
documents and send information about indexing software
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5. Crawler
• Crawler is program that gets documents and images
on the Internet regularly and become database
automatically.
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6. How Internet Search
Engines Work
• Internet Search Engine gets information using
crawler or spider. Indexing the information. So you
can search on the Internet
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