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  • Single statementExplanation of deep web
  • http://news.netcraft.com/archives/web_server_survey.html
  • Airplane ticket prices & schedules, products, specific data like climate records, census records
  • Graphics of fish, each with a name of a different resource
  • Sunken ship? Other graphics?
  • Non-static material (comments, discussion sites, social web, streaming material)Non-webpage material (pdf files, eg)Non-text files
  • Add more pages to show examples of different tools and how to use themInclude sites like IPL here?
  • Add more online resources– like IPL2

Go beyondgoogle Go beyondgoogle Presentation Transcript

  • Go Beyond Google
    How to Search the Deep Web
    Lia Vella, Special Project Librarian
    lia.vella@oit.edu
  • Question
    What are some examples of information you have been unable to find using a search engine like Google?
  • What is the Deep Web?
    Also called the hidden or invisible web, the deep web consists of content that cannot be found by standard search engines like Google.
  • How Much Information is Online?
    graph from Netcraft web server survey: http://news.netcraft.com/archives/web_server_survey.html
  • Some Examples of Things that are Hard to Find with a Search Engine
  • What’s in the Deep Web?
    UW Digital Libraries
    Internal websites for companies or organizations
    Articles in research databases
    Blogs
    Links on social bookmarking sites
    UW Digital Libraries
    Dynamic content (such as search results)
    US government
    Images, music, video
    Full text articles and books
  • Where is the Deep Web?
    Schools, universities, corporations
    Intranets
    Restricted/password protected sites
    Database content
    Photo credits here
  • Where Else is the Deep Web?
    Non-webpage materials (such as pdf documents)
    Non-text content, such as images
    Content that changes often, such as posts on social websites and discussion boards
  • How Google & other search engines search
    Google is like a fishing trawler, dragging a net over the top few hundred feet of the world-wide web.
    Photo by Maciej Lewandowski
    It is not designed to catch deep-web resources.
    from Bergman, M. (2001). White Paper: The deep web: Surfacing hidden value. Journal of Electronic Publishing 7: 1. doi: 10.3998/3336451.0007.104
  • Use Special Google searches
    Many of the alternative Google search pages are designed to look in deep web sources.
    A visual representation of Google’s specialty searches can be found at: http://springfieldlibrary.wikispaces.com/Google+Search+Options
  • Google Advanced Search
  • How Can You find resources in the deep web? Use your library’s resources!
    Free resources pages identified by OIT librarians:
    http://www.oit.edu/libraries/web/selected-subject-pages
    http://www.oit.edu/libraries/articles/free
    Search the library catalogs
    • OIT Library: http://hedgehog.oit.edu/search
    • Summit/Worldcat: http://summit.worldcat.org/
    • OAIster: http://oaister.worldcat.org/
    Find image at NOAA website
  • Try Specialty Search Engines
    Specialized search engines
    Surfwax: http://www.surfwax.com/
    Hakia: http://www.hakia.com/
    Complete Planet: http://aip.completeplanet.com
    Internet Scout: http://scout.wisc.edu/index.php
    Lists of specialty search engines
    Lim, H. (2009). 100+ alternative search engines you should know. Message posted to http://www.hongkiat.com/.
    Miller, A. (n.d.). 100 useful tips and tools to research the deep web. Article posted to http://www.online-college-blog.com.
  • Investigate Organizations That Specialize in your Topic
    Some examples:
    American Geological Institute
    Eating Disorder Referral and Information Ctr
    American Society of Civil Engineers
    Society for Technical Communication
    From Goode & Bean (1896), Oceanic Ichthyology. View it here.
  • Remember to evaluate the material you find!
    One easy way to remember what to look for in a web source is the acronym CRAAP
    C: Currency– is the information timely?
    R: Relevance– does the information suit your needs?
    A: Authority– who is responsible for this website?
    A: Accuracy– are sources cited?
    P: Purpose– why is the information there?
    From Goode & Bean, Ocean Ichthyology. View it here
  • More reading and some recommended sites
    He, B., et al. (2007). Accessing the deep web. Communications of the ACM 50:5, 95- 101. doi:10.1145/1230819.1241670
    Perez, S. (2008, May 14). Digital Image Resources on the Deep Web. Article posted to http://www.readwriteweb.com.
    Wright, A. (2009, February 23). Exploring a ‘Deep Web’ that Google can’t grasp. The New York Times. Retrieved from http://www.nytimes.com/2009/02/23/technology/internet/23search.html.
    Online Resources
    Online Tutorials: several tutorials on searching the internet for scholarly content, multi-media, and more.
    http://www.internettutorials.net/
    Internet Public Library: a directory of online resources selected by librarians, categorized by topic area.
    http://www.ipl.org
    Digital Resources from Libraries, Museums, and Archives: a list compiled by the Institute of Museum and Library Services.
    http://imlsdcc.grainger.uiuc.edu/
  • Questions?
    Lia Vella
    lia.vella@oit.edu
    Find this image at NASA