Kuliah Pengantar Teknologi Informasi                             Oleh Coky Fauzi Alfi                     cokyfauzialfi.wo...
Topics•   Why Search the Web?•   Alternative Methods for Finding Information•   How Web Search Engine Work•   What Search ...
Why Search the Web?A simple answer is that the Web is toolarge and unorganized to find muchuseful information.
Alternative Methods for Finding             Information• Typing in the web address of a known page  (URL)• Search engines•...
Web ‘addresses’ or URLsThe most efficient method of findinginformation on the internet is throughtyping the web address or...
How do We Know the URL?• A word of mouth recommendation• From advertisement or company  promotional literature• Simply mak...
How Web Search Engine WorkSearch engines use special automatic toolsknown as spiders, crawler or robots toindex web pages ...
What Search Engines Search• Content• Tags   – Keyword   – Description   – Title   – Heading   – Links
What Search Engines Ignore•   Frames•   Scripts•   Java Applets and Plug-Ins•   Server-Generated Pages•   Forms•   Images•...
Major Search Engines•   Google – http://www.google.com•   Yahoo – http://search.yahoo.com•   Microsoft Bing – http://www.b...
Alternative Search Engines• Vivísimo – http://www.vivisimo.com• Dogpile – http://www.dogpile.com• Ask.com or AskJeeves.com...
Mobile Search Engines• http://mobile.google.com• http://mobile.yahoo.com/search• http://m.bing.com
Searching with GoogleThink “full text”war of 1812 economic causes
Searching with GoogleSpecify exact phrases“tom bates”
Searching with GoogleExclude a wordproliferation –nuclear
Searching with GoogleInclude a wordobama +hussein
Searching with GoogleWeb page titleintitle:hybrid
Searching with GoogleWebsite or domainsite:whitehouse.gov
Searching with GoogleFile typefiletype:ppt site:edu “global warming”
Google Tricks1. Definitions   define:wireless LAN
Google Tricks2. Calculator   26785*5764+45332-9674
Google Tricks3. Street Maps   9 Princeton St Boston MA 02128
Google Tricks4. Weather   weather palembang
Interpreting the Results
When Not to Use Google• Google doesnt cluster results• Google isn’t good enough to find a persons email address• Google is...
Web Catalogues or DirectoriesMassive online catalogs that areedited, sorted, and organized byhumans
Major Web Directories• http://directory.google.com• http://dir.yahoo.com• http://dmoz.org
Practical Tips for Managing Information1. Using bookmarks2. Printing information3. Saving text for subsequent reading or  ...
© 2011cokyfauzialfi.wordpress.comWhat’s Your Message?
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Search Engine

  1. 1. Kuliah Pengantar Teknologi Informasi Oleh Coky Fauzi Alfi cokyfauzialfi.wordpress.comSearch Engine
  2. 2. Topics• Why Search the Web?• Alternative Methods for Finding Information• How Web Search Engine Work• What Search Engines Search• Major Search Engines• Searching with Google• Google Tricks
  3. 3. Why Search the Web?A simple answer is that the Web is toolarge and unorganized to find muchuseful information.
  4. 4. Alternative Methods for Finding Information• Typing in the web address of a known page (URL)• Search engines• Directories (or web catalogues)• Browsing
  5. 5. Web ‘addresses’ or URLsThe most efficient method of findinginformation on the internet is throughtyping the web address or URL directlyinto the web browser.
  6. 6. How do We Know the URL?• A word of mouth recommendation• From advertisement or company promotional literature• Simply making a good guess
  7. 7. How Web Search Engine WorkSearch engines use special automatic toolsknown as spiders, crawler or robots toindex web pages of registered sites.
  8. 8. What Search Engines Search• Content• Tags – Keyword – Description – Title – Heading – Links
  9. 9. What Search Engines Ignore• Frames• Scripts• Java Applets and Plug-Ins• Server-Generated Pages• Forms• Images• Deeply Linked Pages• Reorganization and Broken Links
  10. 10. Major Search Engines• Google – http://www.google.com• Yahoo – http://search.yahoo.com• Microsoft Bing – http://www.bing.com• AltaVista – http://www.altavista.com• Alltheweb – http://www.alltheweb.com
  11. 11. Alternative Search Engines• Vivísimo – http://www.vivisimo.com• Dogpile – http://www.dogpile.com• Ask.com or AskJeeves.com- http://www.ask.com• SurfWax – http://www.surfwax.com• Ixquick – http://www.ixquick.com
  12. 12. Mobile Search Engines• http://mobile.google.com• http://mobile.yahoo.com/search• http://m.bing.com
  13. 13. Searching with GoogleThink “full text”war of 1812 economic causes
  14. 14. Searching with GoogleSpecify exact phrases“tom bates”
  15. 15. Searching with GoogleExclude a wordproliferation –nuclear
  16. 16. Searching with GoogleInclude a wordobama +hussein
  17. 17. Searching with GoogleWeb page titleintitle:hybrid
  18. 18. Searching with GoogleWebsite or domainsite:whitehouse.gov
  19. 19. Searching with GoogleFile typefiletype:ppt site:edu “global warming”
  20. 20. Google Tricks1. Definitions define:wireless LAN
  21. 21. Google Tricks2. Calculator 26785*5764+45332-9674
  22. 22. Google Tricks3. Street Maps 9 Princeton St Boston MA 02128
  23. 23. Google Tricks4. Weather weather palembang
  24. 24. Interpreting the Results
  25. 25. When Not to Use Google• Google doesnt cluster results• Google isn’t good enough to find a persons email address• Google isnt the best place to find what an abbreviation stands for• Some topic-specific directories are simply more fine-tuned than Googles regular full-text search• When working on an in-depth research project (like a college thesis), Google doesnt help you catalog multiple search results, or let you take notes on interesting sites.
  26. 26. Web Catalogues or DirectoriesMassive online catalogs that areedited, sorted, and organized byhumans
  27. 27. Major Web Directories• http://directory.google.com• http://dir.yahoo.com• http://dmoz.org
  28. 28. Practical Tips for Managing Information1. Using bookmarks2. Printing information3. Saving text for subsequent reading or printing4. Saving an image or diagram
  29. 29. © 2011cokyfauzialfi.wordpress.comWhat’s Your Message?
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