Week10 Presentation
- 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