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Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
Effective Internet Searching
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Effective Internet Searching

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Evaluating websites for learners. The creator still needs to load the bibliography.

Evaluating websites for learners. The creator still needs to load the bibliography.

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  • 1. Internet
  • 2. Internet Searching Miss Louisa Slabbert School Library Seminar 4 June 2009
  • 3. Does the Internet make you feel like this?
  • 4. What is the Internet about? <ul><li>Have access to information from all around the globe </li></ul><ul><li>You can find local and international news, weather reports, sports scores, stock prices, do your baking, shop on-line. </li></ul><ul><li>At your fingertips, you can send messages to others, meet new friends, take a course and watch a movie - all from your computer </li></ul>
  • 5. What is the Internet about? <ul><li>You can access the Internet from a computer anywhere. </li></ul><ul><li>Success in business today requires an understanding of the Internet and how it works. </li></ul>
  • 6. History of the Internet <ul><li>Goal was to build a network that would allow scientists at different locations to share information and work together on military and scientific projects. </li></ul><ul><li>Today, a variety of organizations, companies and private individuals contribute to the network . </li></ul>
  • 7. History <ul><li>No single person, company, institution, or government agency controls or owns the Internet. </li></ul>
  • 8. Reality of searching on the Internet <ul><li>No two similar searches on the Internet will show the same hit results. </li></ul><ul><li>The information on the Internet changes by minute and Web sites that is available today may not be there tomorrow. </li></ul><ul><li>You can not believe everything that is posted on the Internet. </li></ul>
  • 9. Terminology <ul><li>Internet is a worldwide collection of links that connects businesses, universities, education institutions and individuals </li></ul>
  • 10. Terminology <ul><li>World Wide Web / WWW / Net / Web is a portal of the Internet . It consists of a collection of documents stored on computers around the world. </li></ul><ul><li>Web page is a document on the Internet that can include text, pictures, sound, video, graphics etc. </li></ul>
  • 11. Terminology <ul><li>Web Site is a collection of Web pages. </li></ul><ul><li>Search engine is a software program you can use to find Web sites, Web pages and Internet files. </li></ul>
  • 12. Terminology <ul><li>Web browser: is a program that allows you to view and explore information on the Internet e.g. Internet Explorer. </li></ul>
  • 13. Terminology <ul><li>Browse to search the Internet for information. </li></ul><ul><li>Surf - slang for browsing – to search for information on the Internet. </li></ul>
  • 14. Terminology <ul><li>URL each Web page has a unique address called a U niform R esource L ocator. You can instantly display any Web page if you know its URL </li></ul><ul><li>http://www.google.co.za </li></ul><ul><li>http://www.google.com </li></ul>
  • 15. Terminology <ul><li>Beware of Stealth URLs </li></ul><ul><li>Adult Web sites adopt URLs similar to popular Web sites. </li></ul><ul><li>Entice children to access these Web sites. </li></ul><ul><li>E.g. Nintendo, Barbie, White House </li></ul>
  • 16. Types of Web pages <ul><li>Six basic types of Web pages exist: </li></ul>
  • 17. Advocacy Web Pages <ul><li>Contains content that describes a cause, opinion or idea and view of an organization. </li></ul><ul><li>The purpose is to convince the reader of the validity of the cause, opinion or idea. </li></ul><ul><li>Greenpeace, SPCA </li></ul>
  • 18. Business / Marketing Web Pages <ul><li>Contains content that promotes or sells products or services of an organization. </li></ul><ul><li>May allow you to purchase their products or services online. </li></ul><ul><li>Pick n Pay, Woolworths, Look n Listen </li></ul>
  • 19. Informational Web pages <ul><li>Contains factual information. </li></ul><ul><li>Many government agencies have informational pages providing information such as census data, tax details and general information. </li></ul><ul><li>Other organizations provide information such as public transportation schedules, published research findings. </li></ul><ul><li>Kalula.com, Mango, SARS, CSIR </li></ul>
  • 20. News Web pages <ul><li>Contains newsworthy material including stories and articles relating to current events, money, sports an the weather. </li></ul><ul><li>Provide summaries of printed articles. </li></ul><ul><li>CNN, Sky News, Beeld, News24 </li></ul>
  • 21. Portal Web pages <ul><li>Often called a portal , offers a variety of Internet services from a single convenient location. </li></ul><ul><li>Most portals offers the following – search engines, local, national and international news, sport and weather. </li></ul><ul><li>Google, AltaVista, Dogpile, Yahoo </li></ul>
  • 22. Personal Web Pages <ul><li>A private individual who is normally not associated with any organization, often maintain a personal Web page. </li></ul><ul><li>Published for a variety of reasons – hobby, for friend, special interest. </li></ul>
  • 23. Search engines <ul><li>A search engine is a tool designed to search for information on the Internet. </li></ul><ul><li>The search result are usually presented in a list and are commonly called hits . </li></ul><ul><li>The information may consist of Web pages, images, information and other types of files. </li></ul>
  • 24. Search engines <ul><li>Search engines work by storing information about Web pages, which they retrieve from the Internet itself. </li></ul><ul><li>These pages are retrieved by a Web crawler (also spider) an automated Web browser which follows every link it sees. </li></ul>
  • 25. Search engines <ul><li>The usefulness of a search engine depends on the relevance of the result it gives back. </li></ul><ul><li>Most search engines employ methods to rank the results to provide the “best” results first. </li></ul><ul><li>The research results from different search engines varies widely from one to another. </li></ul>
  • 26. Search engines <ul><li>Some search engines also mine data available in newsbooks, databases or open directories. </li></ul><ul><li>Search engines operates algorithmically or are a mixture of algorithmic and human input. </li></ul>
  • 27. Search engines <ul><li>It is important to remember that when you use a search engine, you are NOT searching the entire Web as it exist at that moment. </li></ul><ul><li>Some information is only available on the Invisible Web (Deep Web ), and can only be access by using subject directories. </li></ul>
  • 28. Before you start to search <ul><li>Think about your search before you begin. </li></ul><ul><li>Create a search strategy in your head. </li></ul><ul><li>Decide if you only want to brows for information or locate a specific piece of information. </li></ul><ul><li>Retrieve everything you can. </li></ul>
  • 29. Search Strategy <ul><li>Step 1 </li></ul><ul><li>Analyze your topic to decide where to begin? </li></ul><ul><li>What unique words , distinctive names, abbreviations or acronyms are associated with your topic? </li></ul><ul><li>Can you think of societies, organization, or groups that might have information on your topic? </li></ul>
  • 30. Search Strategy <ul><li>What unique phrases can you identify in your topic? </li></ul><ul><li>Can you think of synonyms or equivalent terms? After all a dog is also a canine, a pooch, a mutt, a hound, a pet and man’s best friend </li></ul><ul><li>Can you think of variant spelling of words? </li></ul>
  • 31. Search Strategy <ul><li>STEP 2 </li></ul><ul><li>Decide which type of search engine to use </li></ul><ul><li>Keywords - Google </li></ul><ul><li>Directories - Yahoo, Aardvark, </li></ul><ul><li>Meta search engines - DogPile, </li></ul>
  • 32. Search Strategy <ul><li>Step 3 </li></ul><ul><li>Change and vary your approach. </li></ul><ul><li>Try something different (search engine) </li></ul><ul><li>Look while you search you may pick up tips. </li></ul>
  • 33. Guidelines to successful searching <ul><li>Be specific - “Hurricane Hugo” </li></ul><ul><li>Use nouns and objects as keywords – fiesta dinnerware plates cups saucers </li></ul><ul><li>Put the most important term first – </li></ul><ul><li>+hybrid +electric +gas +vehicles </li></ul>
  • 34. Guidelines to successful searching <ul><li>Use the asterisk (*) to find plurals of words – retriev* returns retrieves, retrieval, retriever and any other variation. </li></ul><ul><li>Type keyword in lowercases to find both lower and uppercase variations – president retrieves president and President. </li></ul>
  • 35. Guidelines to successful searching <ul><li>Use more than two keywords – interaction vitamins drugs </li></ul><ul><li>Use quotation marks (“”) to create phrases so that the search engine can find the exact sequence of word – “bye bye miss american pie” </li></ul>
  • 36. Guidelines to successful searching <ul><li>Use a hyphen alternative – email vs e-mail </li></ul><ul><li>Limit search by language . </li></ul><ul><li>Use uppercase characters for Boolean operators in your search to differentiate between the words and the operators – cats AND dogs NOT mice </li></ul>
  • 37. Guidelines to successful searching <ul><li>Combine keyword wherever possible into phrases – “ search engine tutorials” </li></ul><ul><li>Avoid common words e.g. water, unless they form part of a phrase – “bottle water” </li></ul><ul><li>Think about words you expect to find in the document and use it as keywords – anorexia bulimia eating disorder </li></ul>
  • 38. Guidelines to successful searching <ul><li>Write down your search strategy and revise it before you type it into a search engine query box. </li></ul><ul><li>It help to revise your search strategy if your hits were unsuccessful </li></ul>
  • 39. Guidelines to successful searching <ul><li>Try an alternative search engine , do not stick to just one. </li></ul><ul><li>Use the plus sign (+) to combine words - </li></ul><ul><li>Look for alternative ways of spelling a word – col*or returns color (America) and colour (British) </li></ul>
  • 40. Guidelines to successful searching <ul><li>Look at alternative ways of phrasing a search – district six, district 6, districtsix </li></ul><ul><li>Use the advance search field of a search engine. </li></ul><ul><li>Combine keyword with phrases using the double quotes and the plus sign and/or the minus sign - +cowboys +“wild west” -football -dallas </li></ul>
  • 41. Guidelines to successful searching <ul><li>Before you use a search engine read about its help function / or about function . </li></ul><ul><li>Read the FAQ of a search engine, it provide helpful hints on how to search. </li></ul>
  • 42. Advance search strategy <ul><li>Enter what you are looking for in the search field, followed by the word site and a colon (:), and then the domain name. </li></ul><ul><li>admission site: www.utoronto.ac </li></ul>
  • 43. Before you click to view the page <ul><li>Evaluating Web pages skilfully requires you to do two things at once: </li></ul><ul><li>Train your eye and your fingers to employ a series of techniques that help you quickly find what you need to know about the Web. </li></ul><ul><li>Train your mind to think critically, even suspiciously by asking a series of questions that will help you decide how much a Web page is to be trusted. </li></ul>
  • 44. Before you click to view the page <ul><li>Look at the URL </li></ul><ul><li>Is it somebody’s personal Web site or page </li></ul><ul><li>~ or % or users or members </li></ul><ul><li>Look for a personal name - personal Web site are not necessarily “bad”, but you need to investigate them carefully </li></ul>
  • 45. Before you click to view the page <ul><li>Domain name </li></ul><ul><li>Is the domain extension appropriate for the content? </li></ul><ul><li>Government sites look for gov, mil </li></ul><ul><li>Education or academic sites look for edu, ac </li></ul><ul><li>Non-profit organizations look for com, org, net </li></ul>
  • 46. Before you click to view the page <ul><li>Domain name </li></ul><ul><li>Country code look for au, sa, za, uk, us, fr </li></ul><ul><li>Country codes no longer tightly controlled but can still indicate where the page originate from </li></ul>
  • 47. Why is it important to evaluate what you find in the Web ? <ul><li>Anyone can put information on the Web </li></ul>
  • 48. Why is it important to evaluate what you find in the Web ? <ul><li>Many pages are not updated and the information becomes absolute. </li></ul><ul><li>No control exist about the quality and trustworthiness off the information available on the Internet. </li></ul>
  • 49. Why is it important to evaluate what you find in the Web ? <ul><li>Web pages are created with a specific purpose in mind – They do not simply grow in the Web like mildew </li></ul>
  • 50. How to evaluate a Web Page <ul><li>Can you tell who wrote it? </li></ul><ul><li>Name of page author? </li></ul><ul><li>Name of the organization, institution, agency do you recognize it? </li></ul><ul><li>E-mail and contact details </li></ul><ul><li>Authors credentials on the subject </li></ul>
  • 51. How to evaluate a Web Page <ul><li>Credentials for the subject matter? </li></ul><ul><li>Looks for links to: “About us” “Philosophy” “Background” “Biography” </li></ul><ul><li>Is it current? </li></ul><ul><li>Look for “last updated” date </li></ul>
  • 52. How to evaluate a Web Page <ul><li>Are there any links to other Web page? </li></ul><ul><li>Does the links open? </li></ul><ul><li>Look for a link called “additional sites” “related sites” “related links” </li></ul><ul><li>Look who link to that We page </li></ul><ul><li>Are there many links? </li></ul><ul><li>What kind of sites does link to it? </li></ul>
  • 53. Evaluating Web Pages <ul><li>Was the page put on the web to </li></ul><ul><li>Inform – give facts or data </li></ul><ul><li>Persuade / explain </li></ul><ul><li>Sell / entice </li></ul><ul><li>Is it appropriate for your purpose? </li></ul><ul><li>Think about the “tone” of the page </li></ul><ul><li>Is it as credible and useful as the resources available in print or through the library . </li></ul>
  • 54. Do some detective work <ul><li>Search the URL in alexa.com </li></ul><ul><li>Click on “Site info for …” </li></ul><ul><li>Who owns the domain? </li></ul><ul><li>Who links the site? </li></ul><ul><li>What did the site look like in the past? </li></ul>
  • 55. How do you feel now?
  • 56. THANK YOU Have a nice day

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