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Go beyondgoogle


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Go beyondgoogle

  1. 1. Go Beyond Google <br />How to Search the Deep Web<br />Lia Vella, Special Project Librarian<br /><br />
  2. 2. Question<br />What are some examples of information you have been unable to find using a search engine like Google?<br />
  3. 3. What is the Deep Web?<br />Also called the hidden or invisible web, the deep web consists of content that cannot be found by standard search engines like Google.<br />
  4. 4. How Much Information is Online?<br />graph from Netcraft web server survey:<br />
  5. 5. Some Examples of Things that are Hard to Find with a Search Engine<br />
  6. 6. What’s in the Deep Web?<br />UW Digital Libraries<br />Internal websites for companies or organizations<br />Articles in research databases<br />Blogs<br />Links on social bookmarking sites<br />UW Digital Libraries<br />Dynamic content (such as search results)<br />US government<br />Images, music, video<br />Full text articles and books<br />
  7. 7. Where is the Deep Web?<br />Schools, universities, corporations<br />Intranets<br />Restricted/password protected sites<br />Database content<br />Photo credits here<br />
  8. 8. Where Else is the Deep Web?<br />Non-webpage materials (such as pdf documents)<br />Non-text content, such as images<br />Content that changes often, such as posts on social websites and discussion boards<br />
  9. 9. How Google & other search engines search<br />Google is like a fishing trawler, dragging a net over the top few hundred feet of the world-wide web.<br />Photo by Maciej Lewandowski<br />It is not designed to catch deep-web resources.<br />from Bergman, M. (2001). White Paper: The deep web: Surfacing hidden value. Journal of Electronic Publishing 7: 1. doi: 10.3998/3336451.0007.104<br />
  10. 10. Use Special Google searches<br />Many of the alternative Google search pages are designed to look in deep web sources.<br />A visual representation of Google’s specialty searches can be found at:<br />
  11. 11. Google Advanced Search<br />
  12. 12. How Can You find resources in the deep web? Use your library’s resources!<br />Free resources pages identified by OIT librarians:<br /><br /><br />Search the library catalogs<br /><ul><li>OIT Library:
  13. 13. Summit/Worldcat:
  14. 14. OAIster:</li></ul>Find image at NOAA website<br />
  15. 15. Try Specialty Search Engines<br />Specialized search engines<br />Surfwax:<br />Hakia:<br />Complete Planet:<br />Internet Scout:<br />Lists of specialty search engines<br />Lim, H. (2009). 100+ alternative search engines you should know. Message posted to<br />Miller, A. (n.d.). 100 useful tips and tools to research the deep web. Article posted to<br />
  16. 16. Investigate Organizations That Specialize in your Topic<br />Some examples:<br />American Geological Institute<br />Eating Disorder Referral and Information Ctr<br />American Society of Civil Engineers<br />Society for Technical Communication<br />From Goode & Bean (1896), Oceanic Ichthyology. View it here.<br />
  17. 17. Remember to evaluate the material you find!<br />One easy way to remember what to look for in a web source is the acronym CRAAP<br />C: Currency– is the information timely?<br />R: Relevance– does the information suit your needs?<br />A: Authority– who is responsible for this website? <br />A: Accuracy– are sources cited?<br />P: Purpose– why is the information there?<br />From Goode & Bean, Ocean Ichthyology. View it here<br />
  18. 18. More reading and some recommended sites<br />He, B., et al. (2007). Accessing the deep web. Communications of the ACM 50:5, 95- 101. doi:10.1145/1230819.1241670<br />Perez, S. (2008, May 14). Digital Image Resources on the Deep Web. Article posted to<br />Wright, A. (2009, February 23). Exploring a ‘Deep Web’ that Google can’t grasp. The New York Times. Retrieved from<br />Online Resources<br />Online Tutorials: several tutorials on searching the internet for scholarly content, multi-media, and more.<br /><br />Internet Public Library: a directory of online resources selected by librarians, categorized by topic area.<br /><br />Digital Resources from Libraries, Museums, and Archives: a list compiled by the Institute of Museum and Library Services.<br /><br />
  19. 19. Questions?<br />Lia Vella<br /><br />Find this image at NASA<br />