1. How Internet Search Engines Work
1.Search Engine
2. Database
3. Indexing Software
4. News Groups
Reference

2. Search Engine
● Search Engine is that
function to retrieve
information that exists
on the Internet.
● There are three type.
Robot type, Directory
type and Meta search
engine.

3. Database
● Database is that manage
particular data. These data is
managed that can be easy to
search and extract by
database.
● Database's mean contain that
composed by computer.
● Database is managed by
some system it's like
PostgreSQL, MySQL and
SQLite.
● These system can make
database more efficient.

4. Indexing Software
● The indexing
software receives the
documents and URLs
from the agent. The
software exacts
information from the
documents and
indexes
● it by putting the
information into a
database.

5. News groups
● News groups are
Internet resources.
They are also called
discussion forums.
They are available for
discussing issues
related to my
products.

6. References
● http://www.highposition.net/news/wp-content/upload
● http://ja.wikipedia.org/wiki/%E6%A4%9C%E7%B4%
● http://simpleindex.s3.amazonaws.com/SimpleSoftwa
● http://blogs.oracle.com/stevenChan/images/databas