WelcometoExtremeGoogling.ppt

Welcome ! While you are waiting, please… find in your packet: Exercise 6 - Questions for the Final Exercise “What Do You Want Google to Tell You?” begin writing down your questions in three or more categories Instructor: Joe Barker jbarker@ An Infopeople Workshop 2005 Introductions Name Library Position How do you use Google? Workshop Overview Google’s way of “thinking” Taking charge of the driving Using limits to find the hard-to-get Finding information on a subject Special Google databases and tools What to do when Google doesn’t work Go to: Click on extreme_googling_bk.htm Make a bookmark of this page Add to Favorites Exercise 1 How does Google “think” about your searches? Please pause and wait for discussion when you reach a A Close Look at Google Search Results Default Matching on Search Terms Default AND between terms Google takes a FUZZY approach only some of the words if a page is “important” words may occur only in pages that link to the page words occur somewhere on the site a page belongs to Cached reveals the page as Google found it may differ from the current page Cached exists if a page is full-text indexed About 1 billion pages in Google are not cached Not fully searchable no Cached if a page owner requests not to be cached How Can You KnowWhy Google Found a Page ? Click Cache link toward end of results top area often explains what was matched Stemming Google stems “when appropriate” automatically detects word stem or root retrieves with various endings kite flying gets kite kites kiting fly flying, flyers, flyer’s, flyers’ to turn off +kite +flying “kite flying” single word searches not stemmed Words Google Does Not Search Common or “stop” words ignored to be or not to be Ranking of Results Word order matters favoring phrases (words together) looks for phrases with something in place of stop words word repetition and proximity also count Google ranking is a great mystery PageRank combines many factors popularity - links