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Web search engines

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Madushan Sandaruwan
Madushan Sandaruwan

search engines

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Web search engine A.T.M PERERA TG2017236
What is a search engine?  A web search engine is a software system that is designed to search for information on world wide web.
There are three basic components of a search engine as listed below. 1.Web crawler 2.Database 3.Search interface
Web crawler  A web crawler is a program which browse the world wide web in methodical, automated manner.  It is also refer to as web spider.
Data base  All the information on the web is store in a database.  It consist of huge web resources.
Search interface  This component is an interface between user and search engine.  It helps user to search through the database.
History of search engines  First search engine is archie which was created by Alan emtage in 1990.  Excite , yahoo, WebCrawler are examples for search engines which was created in early 90s.  Google is most widely used search engine in present.
Archie search engine interface
Web search engines
Web search engines

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Web search engines

  • 1. Web search engine A.T.M PERERA TG2017236
  • 2. What is a search engine?  A web search engine is a software system that is designed to search for information on world wide web.
  • 3. There are three basic components of a search engine as listed below. 1.Web crawler 2.Database 3.Search interface
  • 4. Web crawler  A web crawler is a program which browse the world wide web in methodical, automated manner.  It is also refer to as web spider.
  • 5. Data base  All the information on the web is store in a database.  It consist of huge web resources.
  • 6. Search interface  This component is an interface between user and search engine.  It helps user to search through the database.
  • 7. History of search engines  First search engine is archie which was created by Alan emtage in 1990.  Excite , yahoo, WebCrawler are examples for search engines which was created in early 90s.  Google is most widely used search engine in present.