Searching Google For Website


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  • Searching Google For Website

    1. 1. Searching Google TM SHR Medical Library
    2. 2. In This Session You Will Learn <ul><li>How Google Works </li></ul><ul><li>Tips for Searching Google </li></ul><ul><li>Boolean Logic </li></ul><ul><li>Google Special Features </li></ul><ul><li>Tips for evaluating information on the Internet </li></ul>
    3. 3. A. Same number of syllables as YAHOO B. Named after founder’s dog C. Misspelling of Googol Test Your Google I.Q. Why is Google called “Google”?
    4. 4. Answer is C ! Originates from term Googol means 10 100 Test Your Google I.Q. Answer from:
    5. 5. “ Don’t Be Evil” <ul><li>Started in 1996 as the PhD research project of engineering students Sergey Brin & Larry Page at Stanford University </li></ul><ul><li>They never went on to finish their PhD </li></ul>From:
    6. 6. The Little Spider that Could… how search engines work <ul><li>Google refers to their spiders as Googlebots </li></ul><ul><li>Crawls the web - sends request to web page – passes off page to Google indexer </li></ul><ul><li>They are not a directories </li></ul><ul><li>i.e. Google Directory </li></ul>From:
    7. 7. A (very brief) description of How Google Gets Results <ul><ul><li>1. Searches for all of your keywords as a phrase </li></ul></ul><ul><ul><li>2. Will search to see if our search terms are found close together on the page </li></ul></ul><ul><ul><li>3. Measures number of times your keyword appears </li></ul></ul><ul><ul><li>4. plus some other secret stuff </li></ul></ul><ul><ul><li>5. multiplies page’s individual scores by its ‘Page Rank’ </li></ul></ul><ul><ul><li>6. Then Displays top 1,000 in order of relevance </li></ul></ul>
    8. 8. <ul><li>Based on IMPACT factor premise from scholarly publishing </li></ul><ul><li>Google applies this to the Web: importance of Web page judged by number of hyperlinks pointing to it from other pages </li></ul>Page Rank TM From:
    9. 9. Deep Web or Invisible Web Google & others search about 15% Internet
    10. 10. Can Google Do it All? <ul><li>Google and other Internet search engines access only 7% of available health-related information. </li></ul>Source: Henderson J. Google scholar: A source for clinicians? CMAJ 2005;172(12):1549-1550
    11. 11. Google Scholar <ul><li>Still in BETA, meaning its still in a developmental phase </li></ul><ul><li>Does not used controlled vocabulary and does not have up to date access to current journal articles </li></ul>
    12. 12. Let’s Get Googling! Go to Google Canada:
    13. 13. Basic Google Search Screen Choose what to search Enter search terms here Click here when ready to start search Can choose to search only Canadian sites Set your preferences Automatically takes you to the first site in results URL- the website address Get more help with your searching Title of Web Page
    14. 14. <ul><li>Example: </li></ul><ul><li>http:// - stands for hypertext transfer protocal </li></ul><ul><li>www – World Wide Web </li></ul><ul><li>saskatoonhealthregion – this is the domain name </li></ul><ul><li>.ca – this is the type of domain, this is a Canadian site </li></ul>URL: Uniform Resource Locater
    15. 15. Setting Your Preferences
    16. 16. Understanding Google Results Database searched Number of results Words searched Cached & Similar Pages Search terms in Bold Results current as of January 29, 2007
    17. 17. Image Search Results current as of January 29, 2007 Click on Images and then click on Search Click on Advanced Image Search for more options
    18. 18. Map Search Click on Maps and then click on Search Maps Shows location of Museum Results current as of January 29, 2007
    19. 19. AND, OR, NOT …. Boolean Operators <ul><li>AND is exclusive – must have both terms </li></ul><ul><li>OR is inclusive- must have either idea </li></ul>Dogs Dogs Cats Dogs AND Cats Cats Dogs OR Cats
    20. 20. AND, OR, NOT …. Boolean Operators <ul><li>NOT : is e xclusive, must have first term not the second </li></ul>Cat Dog Cat Not Dog
    21. 21. <ul><li>AND is the default in Google </li></ul><ul><ul><li>Example: dogs AND cats = dogs cats </li></ul></ul><ul><li>Phrase put phrase in quotes </li></ul><ul><li>Example: “The truth about cats and dogs” </li></ul><ul><li>OR can use the word OR and can use symbol (I) </li></ul><ul><li>Example: dogs OR cats = dogs I cats </li></ul><ul><li>+ forces search of common words </li></ul><ul><ul><ul><ul><ul><li>Example: the + truth + about + cats + dogs </li></ul></ul></ul></ul></ul><ul><li>Synonyms searched using Tilde (~) </li></ul><ul><ul><li>Example: dogs ~ puppies ~ terrier ~ husky </li></ul></ul>Googlean Boolean
    22. 22. Google Advanced Search AND Phrase OR NOT
    23. 23. Google Advanced Search Pearl Growing: Helpful when you find the perfect site and want more like it Allows you to search within Google Books or only for MAC computer stuff, etc.
    24. 24. <ul><li>1. Choose some search terms </li></ul><ul><li>2. Try different combinations </li></ul><ul><li>(with all the words, with the exact phrase, with at least one of the words, without the words) </li></ul><ul><li>3. Choose some limits </li></ul><ul><li>file type (.ppt, .doc) </li></ul><ul><li>Language (English, French) </li></ul><ul><li>Domain (.edu, .gov, .org, .ca) </li></ul><ul><li>4. Ask Us Questions! </li></ul>Try It! Google Advanced Search
    25. 25. Google Advanced: Sample Search We limit our search to Power Point Presentations
    26. 26. Google Advanced: Sample Search Results current as of January 30, 2007 Our Results are all Power Point Presentations
    27. 27. Other Google Stuff
    28. 28. Quick Tips: Evaluating Web Sites <ul><li>Who Runs the Site? Check the About Us Page, Do they provide any contact information? (anonymous sites can spell trouble). Do you recognize the organization, institution or agency? </li></ul><ul><li>Quality of Information. Check when it was last updated (on bottom of page). Does the information seem credible? </li></ul><ul><li>Privacy. Check for their Privacy Policy. Do they use cookies? How are they using this information. </li></ul><ul><li>Secure Connection? Is there a lock icon in Security Status bar, located on right side of address bar? </li></ul>Note the lock icon to show the page is secure
    29. 29. Google Recap <ul><li>Google is a search engine, does not have access to same information as MEDLINE, CINAHL, etc. </li></ul><ul><li>Google supports partial Boolean (OR, NOT and phrase searching) </li></ul><ul><li>Easier to use Google Advanced Search Screen </li></ul><ul><li>Advanced Search allows you to apply limits </li></ul><ul><li>Can search for images, news, scholarly literature, etc. </li></ul>
    30. 30. Session Recap <ul><li>You Have Learned: </li></ul><ul><li>How Search Engines, specifically Google works </li></ul><ul><li>How to search in the Basic Google Search Screen </li></ul><ul><li>Boolean Logic & how Google uses Boolean </li></ul><ul><li>How to search in the Advanced Google Search Screen </li></ul><ul><li>How to evaluate websites </li></ul>
    31. 31. <ul><li>Don’t Hesitate to Call or E-mail the SHR Medical Library Staff! </li></ul><ul><li>E-mail: [email_address] </li></ul><ul><li>Phone: </li></ul><ul><li>306-655-8228 </li></ul><ul><li>Hours: </li></ul><ul><li>Monday thru Friday: 8am – 5pm </li></ul>Need More Help?