Transcript Presentation - LOEX Annual Conference

Looking into Infinity:
Using the Deep Web as a
Pedagogical Tool
Erik Radio
[email protected]
LOEX 2014
Grand Rapids, MI
Caspar David Friedrich,
The Wanderer Above a Sea of Mist, around
1818
http://www.hamburger-kunsthalle.de/index.php/19th_Century.html
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), 71-83.
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), 801-819. doi:10.1016/j.is.2013.02.001
Piet Mondrian,
Composition in Red, Blue, and Yellow.
1937-42
http://www.moma.org/collection/browse_results.php?criteria=O%3AAD%3AE%3A4057&pag
e_number=17&template_id=1&sort_order=1
Willem de Kooning,
…Whose Name was Writ in Water, 1975
http://www.guggenheim.org/new-york/collections/collection-online/artwork/997
Piet Mondrian,
Composition in Red, Blue, and Yellow.
1937-42
http://www.moma.org/collection/browse_results.php?criteria=O%3AAD%3AE%3A4057&pag
e_number=17&template_id=1&sort_order=1
Search Engines:
A Very Brief Overview
•
•
•
•
Web Crawlers
Indexing
Retrieval
Display
www.henrirousseau.net
Deep Web Barriers
•
•
•
•
•
Isolation
Paywalls & Permissions
Metadata
Granularity
Dynamic Pages
Every Search Engine creates its own
Deep Web.
Authority is
Constructed and Contextual
19 terabytes in the
Surface Web
7,500 terabytes in the
Deep Web
c. 2001
Bergman, M. The Deep Web: Surfacing Hidden Value. Taking
License. 7(1)
Finding the Deep Web
• Access Points
– Ephemeral in Nature
– www.deepweblibrary.wordpress.com
• Search Engines!
•
Deep Web
Searching the Deep Web
• Abandon Google Query Structures
• Modify Google Queries to a few keywords
– Sound familiar?
• Deep Web = Library Resources
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
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
• Devine, Jane,Egger-Sider, Francine. (2009)
Going beyond Google : the Invisible Web in
learning and teaching. New York : NealSchuman 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.
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
[email protected]
www.deepweblibrary.wordpress.com
THANKS!