WHAT ARE SEARCH ENGINES? Kandi Davis Computer Science

► A search engine is a set of programs which are used to search for information. A internet search engine is designed to specifically search the internet. It is a site you can go to and type in something that you want to look for. The search engine uses its program to search electronically for all of the information available on the internet for what you typed in. Kandi Davis 2

3 Gigablast was founded in 2000 and relaunced in This search engine is called the green search engine because 90% of it’s energy comes from wind energy.

Kandi Davis 4 Lycos started in 1991 and is one of the webs oldest engines. It no longer crawls the web on it’s own but provides results from Look Smart, the Yahoo Database and their own advertisers.

► There are three aspects to a search engine, crawling, indexing, and searching. When a person searches the database it spits out results ranked by relevance. There are many different kinds of search engines today. It is really a persons preference and opinion on which one is the best to use. Kandi Davis 5

6 Are people biased in their use of search engines. Studies show that they are whether its from trust in certain ones or the way they are designed.

► The effect of the internet on society has been remarkable, along with providing some of the most effective means of communication access to information has become so easy. Internet search engines are the best information retrieval systems over the internet. Kandi Davis 7

THE GOOGLE MACHINE Google Google was created and launched in 1998 by Larry page and Sergey Brin and was originally called back rub. It is by far the most popular search engine globally and maintains much more information than typical search engines. Kandi Davis 8

9 Netscape is owned by Aol and uses Googles’ Database for searches. It uses it’s own algorithms to determine rankings and the results are very similar to Google.

Ask formally known as ask jeeves was founded in 1996 with the idea of allowing searchers to get answers to questions posed in everyday language. In 2010 it announced that it would no longer be crawling, indexing or ranking its own page, that it would be outsourcing that to google or Bing. Kandi Davis 10

BING WAS ORIGINALLY NAMED KUMO AND WAS DESIGNED TO REPLACE LIVE SEARCH. IT IS THE NEW SEARCH ENGINE FROM MICROSOFT AND AIMED TO RIVAL GOOGLE. Kandi Davis 11

Dogpile is one of the oldest and most useful search engines on the internet. It was created in 1996 by Aaron Flin, a research attorney who was and amateur programmer. Dogpile is a internet search engine that has outlived many former competitors Kandi Davis 12

Yahoo was developed by Jerry Yang and David Filo in Yahoo has its search box provide access to more of a search engine size database as well as enhance the search ability within the box. Kandi Davis 13

Kandi Davis 14 Search engines are the most used resource over the internet

REFERENCES ► 1. Professor David Jeffrey 2.Googled, The End of The World as We Know It, by ken Auletta 3.The Extreme Searcher’s Internet Handbook, by Randolph Hock 4. Book Article by Chad Chiswell January 22, CNet magazine May 28, by Rafe Needleman 6. The first search Engine by Steven Myers 7. Hands On, New York Times 8. Bing by Ezine Magazine 9. Yahoo, Wired Magazine by Ryan Singel 10. Web Search engine by Rafe Needleman 11. Anatomy of a Search Engine by Sergey Brin and Lawrence Page Kandi Davis 15