Finding Ostriches in the Courtroom

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Introductory slides on my research projects related to content analysis linguistic visualization from Transparent Text 2009

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Finding Ostriches in the Courtroom

  1. 1. Finding Ostriches in the Courtroom Enabling Insight with Linguistic Visualization Christopher Collins University of Toronto (to Dec 2009) University of Ontario Institute of Technology (Jan 2010-)
  2. 2. Target Audience General Domain Language Public Experts Researchers Real-time Single Document Linguistic Discrete Corpus NLP Continuous Corpus CL
  3. 3. Problem Areas Real-time Single Document Linguistic Discrete Corpus NLP Continuous Corpus CL
  4. 4. Humans have reached their cognitive capacity.
  5. 5. Humans have reached their cognitive capacity.
  6. 6. Information is overwhelming because of the naïve manner in which it is delivered.
  7. 7. 7
  8. 8. External Cognition • External cognition is the interaction between internal and external representations when performing cognitive tasks. • Computational offloading is the extent to which external representations can reduce the amount of cognitive effort to solve a problem. Yvonne Rogers, New Theoretical Approaches for Human-Computer Interaction, 2004.
  9. 9. Document Visualization Collins, C.; Carpendale, S.; Penn, G. DocuBurst: Visualizing Document Content using Language Structure. Proceedings of Eurographics/IEEE VGTC Symposium on Visualization, June, 2009.
  10. 10. Many Eyes Tag Cloud Mihalcea and Tarau, 2004
  11. 11. DocuBurst games game taken take absolute,noun,10 chair,noun,2 moment,noun,11 game,noun,30 reality,noun,3 take,verb,13 represent,verb,17 ... game IS activity WordNet chair IS furniture
  12. 12. U.S. Presidential Debates
  13. 13. Corpus Visualization • Beyond similarity and clustering – How do we discern differences within and between document collections? Collins, C.; Viégas, F.; Wattenberg, M. Parallel Tag Clouds to Explore and Analyze Faceted Text Corpora. To appear in Proc. IEEE Symposium on Visual Analytics Science & Technology (VAST), 2009.
  14. 14. Our Data: U.S. Federal Court Decisions Data from public.resource.org
  15. 15. Visualization Design Patent Invention 17 • Size = significance of difference (G2 score) • Order = alphabetic • Edges = word occurring in multiple columns
  16. 16. Ostriches in the 7th Circuit
  17. 17. Highfalutin Judge Selya furculum immurement impuissant
  18. 18. Bridging the Linguistic Divide Open APIs for data NYT, Twitter, Google ? Open APIs for NLP - Summarization - Keyword extraction Toolkits and APIs for - Sentiment analysis Visualization Processing, Rafael, Flare, Flash
  19. 19. Visualization Augments Reading www.christophercollins.ca

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