Free Visualization Tools for Teaching and Research: Blogs, Glogs, GIS, Word Clouds

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Free Visualization Tools for Teaching and Research: Blogs, Glogs, GIS, Word Clouds

  1. 1. Free Visualization Tools for Teaching and Research: Blogs, Glogs, GIS, Word Clouds Teresa S. Welsh, Ph.D. Associate Professor, SLIS [email_address]
  2. 2. <ul><ul><li>“ There can be no words without images.” - Aristotle </li></ul></ul><ul><ul><li>“ Tell me and I’ll forget … </li></ul></ul><ul><ul><li>Show me and I may remember ... </li></ul></ul><ul><ul><li>Involve me and I’ll understand.” </li></ul></ul><ul><ul><ul><li> - Native American Proverb </li></ul></ul></ul>Creating Futures Through Technology Conference 03/04/11
  3. 3. Why is Visualization Important? <ul><li>Powerful teaching tools </li></ul><ul><ul><li>Engages multiple senses </li></ul></ul><ul><ul><li>Stimulates collaboration, creativity. </li></ul></ul><ul><li>Powerful research tools </li></ul><ul><ul><li>Spatial analysis </li></ul></ul><ul><ul><li>Word-frequency pattern analysis. </li></ul></ul>Creating Futures Through Technology Conference 03/04/11
  4. 4. Visualization Tools for Teaching <ul><li>“ A practical part of my teaching is to provide demonstrative, hands-on experiences.” </li></ul><ul><li> - Edward Tufte, Visualization Guru </li></ul><ul><li>Based on XML code </li></ul><ul><li>UCG = User-Generated Content </li></ul><ul><li>Web 2.0 Tools (UGC) </li></ul><ul><li>Blogs </li></ul><ul><li>Glogs </li></ul><ul><li>Wikis </li></ul><ul><li>YouTube </li></ul><ul><li>Twitter </li></ul><ul><li>Facebook </li></ul>03/04/11 Creating Futures Through Technology Conference
  5. 5. Blog: Web log for Teaching <ul><li>Blogger.com </li></ul><ul><li>Text </li></ul><ul><li>Images </li></ul><ul><li>Links </li></ul><ul><li>Videos </li></ul><ul><ul><li>Youtube.com </li></ul></ul>Creating Futures Through Technology Conference 03/04/11 http://usmbritishstudies09.blogspot.com/
  6. 6. Glog: Graphic Blog for Marketing <ul><li>Glogster.com </li></ul><ul><li>1-page poster </li></ul><ul><li>Images with links </li></ul><ul><li>Podcasts </li></ul><ul><ul><li>audacity.sourceforge.net/ </li></ul></ul><ul><li>Videos </li></ul><ul><ul><li>Youtube.com </li></ul></ul>Creating Futures Through Technology Conference 03/04/11 http://www.usm.edu/slis/BSPglog.htm
  7. 7. Facebook for Teaching, Marketing Creating Futures Through Technology Conference 03/04/11 www.facebook.com
  8. 8. Visualization Tools for Research <ul><li>“ Graphics is the visual means of resolving logical problems” </li></ul><ul><li> - Jacques Bertin </li></ul><ul><li>Based on geographic or bibliometric data </li></ul><ul><li>Spatial Analysis </li></ul><ul><li>GIS </li></ul><ul><li>MapQuest </li></ul><ul><li>Google Earth, Google Maps </li></ul><ul><li>Text/Data Analysis </li></ul><ul><li>Word Clouds </li></ul><ul><li>Tag Clouds </li></ul>03/04/11 Creating Futures Through Technology Conference
  9. 9. Early Spatial Analysis: Snow Map <ul><li>Cholera Epidemic </li></ul><ul><li>London, 1854 </li></ul><ul><li>Contaminated water pump, Broad Street </li></ul><ul><li>Drawn by Dr. John Snow </li></ul><ul><li>Pump capped, epidemic stopped. </li></ul>03/04/11 Creating Futures Through Technology Conference
  10. 10. What is GIS? <ul><ul><li>Storing info about the world as a collection of thematic layers that can be linked together geographically. </li></ul></ul><ul><li>A computer-based tool for: </li></ul><ul><ul><li>Mapping data </li></ul></ul><ul><ul><li>Integrating database operations (query, statistical analysis) with maps </li></ul></ul><ul><ul><li>Spatially analyzing data. </li></ul></ul>03/04/11 Creating Futures Through Technology Conference
  11. 11. Spatial Analysis: GIS <ul><ul><li>Allows one to view, understand, question, interpret, and visualize data that reveal relationships, patterns, trends </li></ul></ul><ul><ul><li>Data with geographic component entered into table, displayed geographically </li></ul></ul><ul><ul><li>Free ArcView Reader: http://www.esri.com/software/arcgis/arcreader/download.html </li></ul></ul>03/04/11 Creating Futures Through Technology Conference
  12. 12. 03/04/11 Creating Futures Through Technology Conference http://www.maris.state.ms.us/ Free Mississippi GIS Data: MARIS
  13. 13. MARIS Coastal Data Files 03/04/11 Creating Futures Through Technology Conference
  14. 14. Free US Census Thematic Maps 03/04/11 Creating Futures Through Technology Conference
  15. 15. 03/04/11 Creating Futures Through Technology Conference
  16. 16. Interactive GIS: MapQuest.com 03/04/11 Creating Futures Through Technology Conference Total Travel Estimate:   1 hour 20 minutes   /   75.70 miles   Fuel Cost: Calculate
  17. 17. Interactive GIS: Maps.Google.com 03/04/11 Creating Futures Through Technology Conference
  18. 18. GIS for Teaching: Google Earth 03/04/11 Creating Futures Through Technology Conference http://www.youtube.com
  19. 19. Bibliometric Analysis: Textalyser.net <ul><li>First 1,000 words, Obama ’10 State of Union Speech </li></ul><ul><li>Complexity factor (Lexical Density) </li></ul><ul><li>Readability: Gunning-Fog Index (6-easy 20-hard) </li></ul><ul><li>Word-frequency table </li></ul>03/04/11 Creating Futures Through Technology Conference
  20. 20. Obama 2010 State of the Union Speech 03/04/11 Creating Futures Through Technology Conference Word frequency cloud at Politico.com
  21. 21. Bibliometric Text Analysis: Word Cloud <ul><li>Word cloud generated from content of Dealing with Data special section. </li></ul><ul><li>Size of each word relates to the frequency with which it appears in text </li></ul><ul><li>Credit: Yael Fitzpatrick, using www.wordle.net </li></ul>03/04/11 Creating Futures Through Technology Conference
  22. 22. Text Analysis: Tag Cloud <ul><li>Search for “information literacy in Cook Library Encore Catalog </li></ul><ul><li>Size of each word relates to the number of items in the catalog that are indexed by subject descriptor </li></ul><ul><li>AKA weighted list </li></ul>03/04/11 Creating Futures Through Technology Conference
  23. 23. Other Google Tools: Wonder Wheel <ul><li>Google search </li></ul><ul><li>Options: Wonder Wheel </li></ul><ul><li>Choosing different words from wheel allows one to ‘drill down’ into more specific searches. </li></ul>03/04/11 Creating Futures Through Technology Conference
  24. 24. Other Google Tools: Timeline 03/04/11 Creating Futures Through Technology Conference Google.com search for “information literacy” For more innovative Google tools, see “ 20 Interesting Ways to Use Google Search in the Classroom ”
  25. 25. 200 Countries, 200 Years, 4 Minutes 03/04/11 Creating Futures Through Technology Conference www.youtube.com
  26. 26. Recommended Resources <ul><li>Bertin, J., Graphics and Graphic Information Processing . Berlin: De Gruyter, 1981. </li></ul><ul><li>Card, Stuart K., Jock D. Mackinlay, and Ben Shneiderman. Readings in Information Visualization: Using Vision to Think . San Francisco, Calif: Morgan Kaufmann Publishers, 1999. </li></ul><ul><li>A Periodic Table of Visualization Methods by VisualLiteracy.org </li></ul><ul><li>FreeGIS.org </li></ul><ul><li>Many Eyes free visualization software by IBM </li></ul>Creating Futures Through Technology Conference 03/04/11
  27. 27. <ul><li>Thank you for your attention. </li></ul><ul><li>Questions? </li></ul>Creating Futures Through Technology Conference 03/04/11

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