VIEWS: 13 PAGES: 14 POSTED ON: 7/4/2012
Boolean Operators? WHAT IN THE WORLD? The Web is HUGE!! Over the years, it has become increasingly difficult to find things on the web since the number of websites increases exponentially. Search Engines Search engines allow you to look for information based on KEY WORDS you would provide. Hits Every time someone goes to a Web Page, it is called a HIT Queries A Query is like a question. It is a method of filtering data. Boolean Logic Search engines use Boolean Logic Nineteenth century mathematician George Boole, invented Boolean logic Boolean Operators Boolean operators are based on a simple yes or no ranking system The primary boolean operators are: AND OR NOT But What Do They Do? AND The AND operator instructs the Search Engine to search for all documents containing all words you specify NOT Sometimes it’s easier to narrow a search by specifying what you are NOT looking for Symbols Some search engines use the “+” sign as the operator, which works the same way as the AND operator Process Searching is a process of trial and error The first page of documents/sites should have what you are looking for Re-define your search or go to a different search engine if you are not finding your data Time It’s better to spend a little time narrowing down your search than following every result you get Case Sensitivity Most search engines do not require key operators in all caps Pre-set Operators & Quotation Marks Pre-set Operators Some search engines such as “Google” have boolean operators already setup It’s a good idea to put quotation marks around groups of words you want to appear together ie “Pentium 4” Doing this will limit your search, instead of getting anything with Pentium and anything with a 4 your would get sites with just the words Pentium 4 …the end Can you find the end of the internet using Boolean Operators? Boolean Operators? WHAT IN THE WORLD?
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