1. Week10 Web Presentation
How Internet Search Engines Work
Group B
s1160152 Masatoshi Nakahashi
s1160153 Takuya Nakahara
s1160154 Kousuke Nakamura
s1160155 Hiroki Nakamura

2. Summary of Paragraph 1 and 2
● All search engine use search bots with its own
set of rules guiding how documents are
collected.
● As the spider discovers documents and URLs,
software agents are instructed to get the URLs
and documents and send data about them to
indexing software.

3. Summary of Paragraph 3 and 4
● The indexing software finds information from
database.
● Each search engine finds and indexes
information of type.
● If you type words that you want to examine,
search engine returns the information that you
want.

4. Summary of Paragraph 5 and 6
● The database is retrieved based on the
standards.
● Each search engine puts outcomes back in
different way.
● When you click a link, you are sent to the
document.

5. Conclusion
Crawler or spider collect a data and put it to the
Database.
The Database receive a request from each web
client and transmit the data to that.
If you click the link in the result of search engine,
you should jump to this web site.
So search engine have not documents data, only
have the location of documents.

6. Word List
● Crawler and Spider
Crawler and spider means a virtual bot of
search engine.
● Database
Database received a data which is collected by
crawler and spider.