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Published byBonnie Lawson Modified over 9 years ago
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Finding Information on the Internet Irwansyah
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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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Alternative Methods for Finding Information Typing in the web address of a known page (URL) Search engines Directories (or web catalogues) Browsing
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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.
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How do We Know the URL? A word of mouth recommendation From advertisement or company promotional literature Simply making a good guess
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How Web Search Engine Work Search engines use special automatic tools known as spiders, crawler or robots to index web pages of registered sites.
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What Search Engines Search Content Tags –Keyword –Description –Title –Heading –Links
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What Search Engines Ignore Frames Scripts Java Applets and Plug-Ins Server-Generated Pages Forms Images Deeply Linked Pages Reorganization and Broken Links
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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
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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
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Mobile Search Engines http://mobile.google.com http://mobile.yahoo.com/search http://mobile.msn.com
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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
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Searching with Google Web page title intitle:hybrid Website or domain site:whitehouse.gov File type filetype:ppt site:edu “global warming”
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Nine Very Cool Google Tricks 1.Definitions define:wireless LAN 2.Calculator 2+2 3.Phonebook phonebook: ansonia veterinary center NY
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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
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Nine Very Cool Google Tricks 7.Weather weather bloomington, indiana 8.Q&A Q&A:population of south korea 9.Movies movie: holy grail
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Interpreting the Results
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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.
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Web Catalogues or Directories Massive online catalogs that are edited, sorted, and organized by humans
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Major Web Directories http://directory.google.com http://dir.yahoo.com http://dmoz.org
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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
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