Day1 search-1


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Day1 search-1

  1. 1. Power Searching:General <ul><li>On-line resources are dispersed across various Net locations </li></ul><ul><li>Web server </li></ul><ul><li>FTP server </li></ul><ul><li>NewsGroups </li></ul><ul><li>Mailing lists </li></ul><ul><li>Blogs </li></ul><ul><li>Discussionboards </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  2. 2. Power Searching:General <ul><li>The challenge: </li></ul><ul><li>To locate the relevant resources with minimum effort </li></ul><ul><li>Several search tools help us spot Net info </li></ul><ul><ul><li>Search Engines (like </li></ul></ul><ul><ul><li>Search Directories </li></ul></ul><ul><ul><ul><li>Describes web sites (eg.: /) </li></ul></ul></ul><ul><ul><li>Subject Gateways </li></ul></ul><ul><ul><li>Specialised Search tools </li></ul></ul><ul><ul><li>Meta Search Engines </li></ul></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  3. 3. Power Searching: Search Engines <ul><li>Database is created automatically using computer programs </li></ul><ul><li>Index contains billions of web pages </li></ul><ul><li>L arge number of results </li></ul><ul><li>Many irrelevant ones </li></ul><ul><li>General search engines like Google, Bing, Yahoo... </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  4. 4. Power Searching:Better Googling <ul><li>When you start a search, the search is done in the Google’s index of the Web </li></ul><ul><li>Google’s program searches its index to find all the pages that contain your search terms </li></ul><ul><li>output of this process could be millions of web pages…….. </li></ul><ul><li>Now the real challenge comes in…. Weeding out the irrelevant ones </li></ul><ul><li>Google filters the relevant pages using hundreds of parameters- </li></ul><ul><li>like, does the page includes synonyms for the keywords- if so it gets prominence; </li></ul><ul><li>if the search terms appear together that page gets prominence </li></ul><ul><li>If the title of the page contains the search term then the page is considered more relevant gets search; quality of the page (page-rank) etc. </li></ul><ul><li>Using these parameters Google ranks each of the pages and displays the results- the page with highest rank will appear first, then the one with second rank and so on… </li></ul><ul><li>Ref.: </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  5. 5. Power Searching:Better Googling <ul><li>Keywords: the word that you enter the search box. Try to use a unique word that would appear on the documents you are looking for. </li></ul><ul><li>Google is not case sensitive. Maternal health and Meternal HEALTH are same </li></ul><ul><li>query [maternal health]  will look for pages that contain all the two words. </li></ul><ul><li>Order of terms can change the output. </li></ul><ul><li>Phrase: “maternal health“ [ stop or common words: the it of and etc] + inclusion operator, OR (|) and - exclusion operator Biology –Physics </li></ul><ul><li>Terms can be grouped with parentheses, “Gender Violence” (data|statistics) </li></ul><ul><li>synonym operator ~tutorial (will look for help, guide etc) ‘*’ represents more than one word : hyphen (-) e-mail means e-mail, email ‘e mail’ </li></ul><ul><li>[200/5] [23 % of 334] [1 $ in indian money] </li></ul><ul><li>[nth root of y] [3th root of 64] factorial of a no. [!] 5! </li></ul><ul><li>In hex in radians in binary [10 in hex] [2 in binary] </li></ul><ul><li> </li></ul><ul><li>04/24/11 </li></ul><ul><li>Net-Tips-04 </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  6. 6. Power Searching: Better Googling <ul><li>Range of numbers use .. inventions 1800..2000 </li></ul><ul><li>Define: is used to get definition of words </li></ul><ul><li>for live cricket score, type cricket </li></ul><ul><li>‘ time’ to obtain the latest time time cochin ‘movie’ for list of movies in your town movie:calicut </li></ul><ul><li>Factual search population india die Mohandas Gandhi prime minister india </li></ul><ul><li>Data search gdp india </li></ul><ul><li>Search with the Advanced option </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  7. 7. Power Searching:Better Googling <ul><li> (who links to a page) </li></ul><ul><li>Intitle: restricts the search to web page titles </li></ul><ul><li>Site: restricts the search to pages from a specific site/domain </li></ul><ul><li>economics of innovation site:edu site:org (no output. Why?) </li></ul><ul><li>Inurl: restricts your search to the web page links </li></ul><ul><li> &quot;Tax Forum&quot; </li></ul><ul><li>intitle:&quot;antenatal care” site:edu </li></ul><ul><li>intext: (search only the body text) </li></ul><ul><li>filetype:doc &quot;Antenatal Care in Developing Countries&quot;. </li></ul><ul><li>filetype:ppt intitle:”reproductive health” </li></ul><ul><li>. </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  8. 8. Better Googling <ul><li>Google search via SMS: </li></ul><ul><li>Send SMS to 9773300000 Eg.: “define subprime” or “1 usd in inr” “GDP of india” </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  9. 9. Power Searching: Googling extra <ul><li>Google Cheatsheet : (a web page with all google commands/services) </li></ul><ul><li>Google tutorials: </li></ul><ul><ul><li>The Google Librarian Centre , meant for helping Librarians exploit the Google services effectively, is a good resources worth exploring. </li></ul></ul><ul><ul><li>55 ways to have fun with Google A freely downloadable book on Google: </li></ul></ul><ul><ul><li> </li></ul></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  10. 10. Services to test your Google proficiency (Google Games) <ul><li>Gwigle: </li></ul><ul><ul><li>Looking at the results, figure out the search string </li></ul></ul><ul><li>What did I search for: </li></ul><ul><li>Google Toolbar: </li></ul><ul><li>Groowe: </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  11. 11. Power Searching: Other google services <ul><li>Google Scholar - search service created for spotting scholarly materials easily Use this if you need results from journal articles, news report, abstracts etc </li></ul><ul><ul><li>author:name-of-the-author “search string” Cited by’ feature, which provides links to other articles that cite the selected article </li></ul></ul><ul><li>Google Suggest: Suggest popular keywords as you type </li></ul><ul><li>Google images: (for images) </li></ul><ul><li>Google video: / and now google acquired youtube. </li></ul><ul><li>Google news: </li></ul><ul><ul><li>Google news archives </li></ul></ul><ul><ul><li>The service helps you dig out several-years-old news stories from news sources such as BBC news, Time magazine and the like. (try time line for the keyword olympics) </li></ul></ul><ul><li>A simple interface to access different Google services: </li></ul><ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>
  12. 12. THANK U!!! <ul><li>04/24/11 </li></ul><ul><li>UIADR-2010 (version-6) ( </li></ul>