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D a v i d Chapter1-The Birth of G o o g l e Department of Digital Contents, Sejong University
G o o g l e  History
Search Engine Evolution <ul><li>Uesr convenience </li></ul><ul><li>Expand Hardware </li></ul><ul><li>Page Ranking </li></ul>
Page Ranking 2 1 10 8 6 1 1 1 1 1 3 3 5 2 5 4 4
Search Engine Structure User Internet Search Server Search Back-end Index Search Engine
Search System Structure Crawling Indexing Querying
Crawling <ul><li>Crawling is the process used by  search engines to collect pages from the Web (URL, Contents)   </li></ul...
Index Creation <ul><li>Index  is a data structure that improves the speed of operations on a database table </li></ul># In...
Index Creation
Index Creation
Seach Server User Search 입학 Search server Index
T h a n k  y o u
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  1. 1. D a v i d Chapter1-The Birth of G o o g l e Department of Digital Contents, Sejong University
  2. 2. G o o g l e History
  3. 3. Search Engine Evolution <ul><li>Uesr convenience </li></ul><ul><li>Expand Hardware </li></ul><ul><li>Page Ranking </li></ul>
  4. 4. Page Ranking 2 1 10 8 6 1 1 1 1 1 3 3 5 2 5 4 4
  5. 5. Search Engine Structure User Internet Search Server Search Back-end Index Search Engine
  6. 6. Search System Structure Crawling Indexing Querying
  7. 7. Crawling <ul><li>Crawling is the process used by search engines to collect pages from the Web (URL, Contents) </li></ul>Internet Crawler Crawler Crawler Crawling Repository Index
  8. 8. Index Creation <ul><li>Index is a data structure that improves the speed of operations on a database table </li></ul># Index schema
  9. 9. Index Creation
  10. 10. Index Creation
  11. 11. Seach Server User Search 입학 Search server Index
  12. 12. T h a n k y o u

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