Search engines & effective searching on the web
- 1. Search Engines & Effective Searching On The Web
- 2. Search EnginevsDatabaseDatabase…The information comes from books, magazines, journals etc. which have gone through a review process. Search engines…They find information on the internet. There is not a review process. You make the judgment whether the information is valid and accurate.
- 3. Search Engines How do they work?Search engines use a “spider” or “robot” to crawl through the WWW to find websites that contain keywords or phrases
- 4. How do I begin and effective search?Identify keywords of your topicFor example :Katy Tigers
- 5. Boolean searchingUse AND to narrow searchKaty AND TigersIt only return pages that have both words
- 7. Boolean OrKaty OR TigersThis will return pages that have at least one of these words on the page. This will expand your search.
- 9. Boolean NOT -This tells the search engine to retrieve one keyword but not the other word.For Example:Dolphins NOT Miami Dolphins –Miami
- 12. Phrase SearchingSurround groups of words with quotation marks to tell the search engine to retrieve documents in which those words appear side by side. For example : “global warming”
- 14. Title searchingThis tells the search engine to only return web pages that have the phrase in the title.Title: “Global warming”
- 16. Plural Forms, Capital lettersMost search engines interpret lowercase as either uppercase or lowercase. Limit your results by using uppercase letters. Most search engine interpret singular keywords as singular or plural. Limit results by using plural forms of words.
- 18. Domain SearchingThis will allow you to limit results to certain domains such as websites from the United Kingdom (.uk), educational institutions (.edu) or government sites (gov.)
- 19. Current domains in the US.com = a commercial business.edu = and educational institution.gov = a governmental institution.org = a non-profit organization.mil = a military site.net = a network site
- 21. Other advanced operatorsSite: search only one websiteexample: site:www.katyisd.org
- 23. LinkUse this to find linked pages to your website.link:www.katyisd.org
- 25. Information about a pageInfo:www.cancer.orgIf you want to find out more information about the web site.
- 27. Synonyms If you want information on both your keyword and its synonyms~auto synonyms would be truck, car etc.
- 29. Use web sources with cautionInternet sites are created for a variety of reasonsSell productsProvide servicesAdvertise Provide informationTo persuadeTo share interests and ideas
- 30. RememberAnyone can publish anything on the web and much of that information is inaccurate and biased.
- 31. Check out these sitesMuseum of Hoaxes http://www.museumofhoaxes.com/California Velcro farms http://home.inreach.com/kumbach/velcro.htmlTree octopus http://zapatopi.net/treeoctopus/Brain protectors http://zapatopi.net/afdb/Digital photography http://publish.uwo.ca/~floyd/false/false.htmDog Island http://thedogisland.com