1. Internet Searching Mr. Graham

2. Objectives  Define Search Engine  List at least 3 search engine  How to perform an Internet search  What questions do you ask yourself  What is a Boolean?  List 2 booleans  What is a meta search engine?

3. What is a search engine?  Search Engines - A Web search engine is a tool designed to search for information on the World Wide Web. The search results are usually presented in a list and are commonly called hits. The information may consist of web pages, images, information and other types of files.  General – Google www.google.com and Yahoo www.yahoo.comwww.google.comwww.yahoo.com  Visual – Cuil www.cuil.com and Viewzi www.viewzi.comwww.cuil.com www.viewzi.com

4. Search strategies 1  Analyse your topic to help you decide which key words you will enter in the search box.  Ask the following questions:  Does the topic have a unique word or phrase? If yes, type the word or phrase in quotation marks e.g. “ionic bonding”  Does the topic have several words with no characteristic words or phrases? If yes, enter more than one term in quotation marks to get a shorter list.

5. Search strategies 2  Be flexible and feel free to change the key words as you browse the search results.

6. Search strategies 3  Try a subject directory if the search engine is not yielding suitable results.  Subject Directories - A subject directory is a catalogue of websites organized by humans.  Explore the following subject directories  Librarians' Internet Index www.lii.org Infomine infomine.ucr.edu About.com www.about.comwww.lii.orginfomine.ucr.eduwww.about.com  Google Directory directory.google.com Yahoo! dir.yahoo.comdirectory.google.comdir.yahoo.com  Encyclopedias:  Smithsonian Institute http://www.si.edu/http://www.si.edu/  Encyclopedia Article Center http://encarta.msn.com/artcenter_/browse.html http://encarta.msn.com/artcenter_/browse.html

7. Search strategies 4  Meta-Search Engines – Search tools that transmit your search simultaneously to several individual search engines and their databases of web pages  Clusty  Dogpile  Task 1.1.3 Visit the following website and read about the features of selected meta-search engines.  http://www.lib.berkeley.edu/TeachingLib/Guides/Int ernet/MetaSearch.html http://www.lib.berkeley.edu/TeachingLib/Guides/Int ernet/MetaSearch.html  Type key words into the search box and observe the kinds of pages that are generated.

8. Search strategies 5  If you are using Google, to help you refine your search help and find websites in an efficient manner, visit Google Help: Cheat Sheet: http://www.google.com/help/cheatsheet.html. http://www.google.com/help/cheatsheet.html  The “Cheat Sheet” gives a description of the kinds of pages would be returned if you entered key words in the search box in a particular format.

9. Final Activity