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Free Visualization Tools for Teaching and
Research: Blogs, Glogs, GIS, Word Clouds
Teresa S. Welsh, Ph.D.Associate Professor, [email protected]
“There can be no words without images.” - Aristotle
“Tell me and I’ll forget … Show me and I may remember ... Involve me and I’ll understand.”
- Native American Proverb
Creating Futures Through Technology Conference04/12/23
Why is Visualization Important?
Powerful teaching tools Engages multiple senses Stimulates collaboration, creativity.
Powerful research tools Spatial analysis Word-frequency pattern analysis.
Creating Futures Through Technology Conference04/12/23
Visualization Tools for Teaching “A practical part of my
teaching is to provide demonstrative, hands-on experiences.”
- Edward Tufte, Visualization
Guru
Based on XML code
UCG = User-Generated Content
Web 2.0 Tools (UGC)
Blogs
Glogs
Wikis
YouTube
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Blog: Web log for Teaching
Creating Futures Through Technology Conference04/12/23
Blogger.com
Text
Images
Links
Videos Youtube.com
http://usmbritishstudies09.blogspot.com/
Glog: Graphic Blog for Marketing
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Glogster.com
1-page poster
Images with links
Podcasts audacity.sou
rceforge.net/
Videos Youtube.co
m
http://www.usm.edu/slis/BSPglog.htm
Facebook for Teaching, Marketing
Creating Futures Through Technology Conference04/12/23
www.facebook.com
Visualization Tools for Research “Graphics is the
visual means of resolving logical problems”
- Jacques Bertin
Based on geographic or bibliometric data
Spatial Analysis GIS
MapQuest
Google Earth, Google Maps
Text/Data Analysis
Word Clouds
Tag Clouds
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Early Spatial Analysis: Snow Map
Cholera Epidemic
London, 1854
Contaminated water pump, Broad Street
Drawn by Dr. John Snow
Pump capped, epidemic stopped.
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Technology Conference
What is GIS?
Storing info about the world as a collection of thematic layers that can be linked together geographically.
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A computer-based tool for:
Mapping data
Integrating database operations (query, statistical analysis) with maps
Spatially analyzing data.
Spatial Analysis: GIS Allows one to view,
understand, question, interpret, and visualize data that reveal relationships, patterns, trends
Data with geographic component entered into table, displayed geographically
Free ArcView Reader: http://www.esri.com/software/arcgis/arcreader/download.html
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http://www.maris.state.ms.us/
Free Mississippi GIS Data: MARIS
MARIS Coastal Data Files
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Free US Census Thematic Maps
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Interactive GIS: MapQuest.com
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Total Travel Estimate: 1 hour 20 minutes / 75.70 miles Fuel Cost: Calculate
Interactive GIS: Maps.Google.com
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GIS for Teaching: Google Earth
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http://www.youtube.com
Bibliometric Analysis: Textalyser.net
First 1,000 words, Obama ’10 State of Union Speech
Complexity factor (Lexical Density)
Readability: Gunning-Fog Index (6-easy 20-hard)
Word-frequency table
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Technology Conference
Obama 2010 State of the Union Speech
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Word frequency cloud at Politico.com
Bibliometric Text Analysis: Word Cloud
Word cloud generated from content of Dealing with Data special section.
Size of each word relates to the frequency with which it appears in text
Credit: Yael Fitzpatrick, using www.wordle.net
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Text Analysis: Tag Cloud
Search for “information literacy in Cook Library Encore Catalog
Size of each word relates to the number of items in the catalog that are indexed by subject descriptor
AKA weighted list
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Other Google Tools: Wonder Wheel Google search
Options: Wonder Wheel
Choosing different words from wheel allows one to ‘drill down’ into more specific searches.
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Other Google Tools: Timeline
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Google.com search for “information literacy”
For more innovative Google tools, see “20 Interesting Ways to Use Google Search in the Classroom”
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200 Countries, 200 Years, 4 Minutes
www.youtube.com
Recommended Resources
Bertin, J., Graphics and Graphic Information Processing. Berlin: De Gruyter, 1981.
Card, Stuart K., Jock D. Mackinlay, and Ben Shneiderman. Readings in Information Visualization: Using Vision to Think. San Francisco, Calif: Morgan Kaufmann Publishers, 1999.
A Periodic Table of Visualization Methods by VisualLiteracy.org
FreeGIS.org
Many Eyes free visualization software by IBMCreating Futures Through
Technology Conference04/12/23
Thank you for your attention.
Questions?
Creating Futures Through Technology Conference04/12/23
