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Looking into Infinity: Using the Deep Web as a Pedagogical Tool Erik Radio LOEX 2014 Grand Rapids, MI.

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Presentation on theme: "Looking into Infinity: Using the Deep Web as a Pedagogical Tool Erik Radio LOEX 2014 Grand Rapids, MI."— Presentation transcript:

1 Looking into Infinity: Using the Deep Web as a Pedagogical Tool Erik Radio LOEX 2014 Grand Rapids, MI

2 Caspar David Friedrich, The Wanderer Above a Sea of Mist, around 1818

3 What is the Deep Web? “...a mysterious El Dorado of content wealth, rich beyond measure when compared to ordinary fare delivered by search engines such as Google.” - Spencer, B. (2007). Harnessing the deep web: A practical plan for locating free specialty databases on the web. Reference Services Review, 35(1),

4 What is the Deep Web? “Not only its estimated size is hundreds of times larger than that of the surface web, but also it provides users with high quality information.” - Zheng, Q., Wu, Z., Cheng, X., Jiang, L., & Liu, J. (2013). Learning to Crawl the Deep Web. Information Systems, 38(6), doi: /j.is

5 Piet Mondrian, Composition in Red, Blue, and Yellow e_number=17&template_id=1&sort_order=1

6 Willem de Kooning, …Whose Name was Writ in Water, 1975

7 Piet Mondrian, Composition in Red, Blue, and Yellow e_number=17&template_id=1&sort_order=1

8 Search Engines: A Very Brief Overview Web Crawlers Indexing Retrieval Display

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10 Deep Web Barriers Isolation Paywalls & Permissions Metadata Granularity Dynamic Pages

11 Every Search Engine creates its own Deep Web.

12 Authority is Constructed and Contextual

13 19 terabytes in the Surface Web 7,500 terabytes in the Deep Web c Bergman, M. The Deep Web: Surfacing Hidden Value. Taking License. 7(1)

14 Finding the Deep Web Access Points – Ephemeral in Nature – Search Engines! Deep Web

15 Searching the Deep Web Abandon Google Query Structures Modify Google Queries to a few keywords – Sound familiar? Deep Web = Library Resources

16 Teaching the Deep Web Method 1: Workshop – Search Engines in the Internet Landscape Failures to Indexing Brainstorming – Introduce Deep Web – Restructuring Queries – Demonstrate Deep Web Engines Open Searching Assess

17 Teaching the Deep Web Method 2: Embedded – Integrate into standard instructional sessions Introduce the Deep Web Contextualize Searching Search Isn’t Simple Search is Strategic

18 Devine, Jane,Egger-Sider, Francine. (2009) Going beyond Google : the Invisible Web in learning and teaching. New York : Neal- Schuman Publishers, Inc. Devine, Jane,Egger-Sider, Francine. (2014) Going beyond Google again : Strategies for using and teaching the Invisible Web. Chicago: Neal-Schuman Publishers, Inc.

19 Pedagogical Goals Inform students on the information landscape – Broad and Complex How Search Engines Work – Mostly Not Magic Reinforce Search Strategies – Query Structures Library as Deep Web Engine

20 THANKS!


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