How Internet Search Engines Work
● The search Robot
● Method of retrieved
● Search Engine
The Search Robot
● Web crawler, or “spider”
– A program which browses
the Web in a methodical,
automated manner and is
used to create of all the
visited pages for later
indexing by a search
● Internet search the
URLs as the spider
● Reference: Wikipedia
Method of retrieval
● The document group that retrieves it beforehand is scanned,
and the method for improving the performance when retrieving
it by preparing the index data that a high-speed retrieval
becomes possible is adopted. When retrieving it, a high-speed
in dramatic form retrieval becomes possible because it
accesses this index.
➢ There are lots of information on the WWW, and
you can get that to use Search Engine. Web
pages, images and...
➢ Search Engine, for example:
Google, Yahoo, Msn, and so on.
Their Engine return results in a different way.
● Medicated development
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