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Finding Information on the Internet Irwansyah. Why Search the Web? A simple answer is that the Web is too large and unorganized to find much useful information.

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Presentation on theme: "Finding Information on the Internet Irwansyah. Why Search the Web? A simple answer is that the Web is too large and unorganized to find much useful information."— Presentation transcript:

1 Finding Information on the Internet Irwansyah

2 Why Search the Web? A simple answer is that the Web is too large and unorganized to find much useful information.

3 Alternative Methods for Finding Information Typing in the web address of a known page (URL) Search engines Directories (or web catalogues) Browsing

4 Web ‘addresses’ or URLs The most efficient method of finding information on the internet is through typing the web address or URL directly into the web browser.

5 How do We Know the URL? A word of mouth recommendation From advertisement or company promotional literature Simply making a good guess

6 How Web Search Engine Work Search engines use special automatic tools known as spiders, crawler or robots to index web pages of registered sites.

7 What Search Engines Search Content Tags –Keyword –Description –Title –Heading –Links

8

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 Major Search Engines Google – http://www.google.com Yahoo – http://search.yahoo.com MSN – http://search.msn.com AltaVista – http://www.altavista.com Alltheweb – http://www.alltheweb.com

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 Mobile Search Engines http://mobile.google.com http://mobile.yahoo.com/search http://mobile.msn.com

13 Searching with Google Think “full text” war of 1812 economic causes Specify exact phrases “tom bates” Exclude or include a word proliferation –nuclear obama +hussein

14 Searching with Google Web page title intitle:hybrid Website or domain site:whitehouse.gov File type filetype:ppt site:edu “global warming”

15 Nine Very Cool Google Tricks 1.Definitions define:wireless LAN 2.Calculator 2+2 3.Phonebook phonebook: ansonia veterinary center NY

16 Nine Very Cool Google Tricks 4.Street Maps 9 Princeton St Boston MA 02128 5.Stock Quotes stock quotes:MSFT 6.Patents, Tracking IDs, and Other Numeric Goodies patent 5123123

17 Nine Very Cool Google Tricks 7.Weather weather bloomington, indiana 8.Q&A Q&A:population of south korea 9.Movies movie: holy grail

18 Interpreting the Results

19 When Not to Use Google Google doesn't cluster results Google isn’t good enough to find a person's email address Google isn't the best place to find what an abbreviation stands for Some topic-specific directories are simply more fine- tuned than Google's regular full-text search When working on an in-depth research project (like a college thesis), Google doesn't help you catalog multiple search results, or let you take notes on interesting sites.

20 Web Catalogues or Directories Massive online catalogs that are edited, sorted, and organized by humans

21 Major Web Directories http://directory.google.com http://dir.yahoo.com http://dmoz.org

22 Practical Tips for Managing Information 1.Using bookmarks 2.Printing information 3.Saving text for subsequent reading or printing 4.Saving an image or diagram

23 End


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