Unit 12 Searching the Internet & Safety Living Online Unit 12 Searching the Internet & Safety

Objectives Use keywords to search for information Use advanced features to refine a search Search for specific types of media Find content on a web page Evaluate the quality of web content Observe intellectual property laws

Search Engines Has databases of sites & keywords Each generates a list of results Webcrawlers or spiders Results may vary between engines Go to yahoo.com & search for great wall of china Notice 1st result How many total hits? Go to google.com & do same search Different result for #1 Note that at the top of many results pages are ADS!

Metasearch Engine Sends query to other search engines & shows you results from all in one place Dogpile & Kayak Go to www.dogpile.com Search for Batman Tells where it searched & found on

Refining Your Search Phrases & Quotations “The Dark Knight Rises” Looks for those words next to each other “Mike Trout” , ”baseball cards” Looks for Mike Trout baseball cards

Boolean Searching AND, OR, NOT searches… You can use math symbols + or - Recipes AND Chicken AND Spaghetti Recipes +Chicken +Spaghetti Match ALL terms in a document Tennis NOT Wimbledon Tennis –Wimbledon Excludes the 2nd term from the document Dogs OR Cats “global warming” OR “greenhouse effects” Typically broadens your search Looks for either or both on sites http://www.egusd.net/franklinhs/techstandards/computer%20tech%20files/booleanlogic.pdf

+ & - Searching Include/Exclude

Using Advanced Search

Searching a Web Site Some sites have search box on them Searches that web site

Searching a Web Page What keyboard shortcut allows you to find a word in a document? CTRL + F Use the same to find a word/phrase on a web page

E-Learning Teknimedia C1.38-1.41 C1.43-1.49

Evaluating Web Sites Relevance & Reliability Page Layout/Design Evaluate this Site Relevance & Reliability Does it fit your research? Is it accurate? Up to date? Does it come from a trusted source? Page Layout/Design Is site organized? Spelling/grammar correct? Info might not be reliable Validity & Bias Are they trying to sell you something? Change your opinion? Check other sources to see if it’s valid info Authority Author’s credentials Can you contact/email them? Evaluate the Quality of the Information

Project Each row/group will get a website to evaluate Review all pages of the site Use the handout & your opinions to determine if the site is valid and tell why & why not

Intellectual Property Laws Copyright Doesn’t have to be displayed or registered Must give credit Public Domain Available for public use No credit needed https://www.flickr.com/photos/glaciernps Plagiarism Claiming someone else’s words

Your Web Page Once you post something of your own, it is copyrighted Be careful what you post Libel Written word/picture that gives someone a negative image Slander Spoken word that gives someone a negative image

Injuries Repetitive Strain Injury (RSI) Repeated motions of joints Game players, constant users Take breaks, stretch Use ergonomic furniture Eye strain (lighting, breaks)

Living Online Review What is e-commerce? What does the cashier do with your food at Shop Rite? When you go to the ATM, what does the machine read on your card? What do you call people who work from home? Shopping online Scan it with an Optical Laser Magnetic Strip Telecommuters

Questions What domain would each site MOST LIKELY have? Girl Scouts Sears Rowan University U.S. Marines

Unit 12 Searching the Internet & Safety Living Online Unit 12 Searching the Internet & Safety