HCIL Symposium: Time for Events

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HCIL Symposium: Time for Events

  1. 1. time for eventstelling the world’s stories from social media Mor Naaman Rutgers SC&I & Mahaya, Inc. @informor
  2. 2. revolution take II
  3. 3. a new archive
  4. 4. needs new methods
  5. 5. social"media"information"lab
  6. 6. our work quantitativequalitative systems motivations,! large scale quant, tools, services, ! practices data mining and prototypes
  7. 7. people, together
  8. 8. radiohead
  9. 9. byobw
  10. 10. pepper spray
  11. 11. tahrir
  12. 12. outside lands festival
  13. 13. organize the world’s memories
  14. 14. detectidentifyorganize objectives
  15. 15. objectivesdetect ICWSM 2011a JASIST 2011 WebDB 2009 SIGIR 2007
  16. 16. objectivesidentify WSDM 2012 ICWSM 2011b WSDM 2010
  17. 17. objectives organize ICMR 2012 CHI 2012CSCW 2012 MTAP 2012 VAST 2010WWW 2009
  18. 18. today organize identifydetect Vox! SRSR! Multiplayer
  19. 19. highlights Vox Civitas SRSR Multiplayer
  20. 20. research questions how can (Twitter) content contributed aroundlarge-scale broadcast news events informjournalistic inquiry?what kinds of insights and analyses areenabled through visual analytic tools?[with postdoctoral fellow Nick Diakopoulos]
  21. 21. designing for journalismdivergent points of viewnewsworthiness: surprising, unusual,extremes of positive / negative
  22. 22. supporting analysisdirect attention to relevant information automatic content analysis for filtering – relevance – uniqueness / novelty – sentiment – keyword extraction
  23. 23. how to evaluate?directly evaluate the output of the algorithms(quantitative)deep, extensive evaluation of users’ interactionwith the system (qualitative)   read more: Olsen (UIST ’07) Naaman (MTAP ’12)
  24. 24. Vox evaluation goals•  How effective for generating story ideas?•  What kind of insights/analysis are supported?•  Shortcomings and how features are used?
  25. 25. Vox evaluation: framing•  “develop two story pitches for the event”•  open-ended questionnaires, content analysis•  18 participants
  26. 26. highlights Vox Civitas VAST 2010 SRSR Multiplayer
  27. 27. research question how can we help a journalists identify reliable,knowledgeable sources for remote breakingnews events? [with postdoctoral fellows Nick Diakopoulos, Mummun De Choudhury]
  28. 28. supporting analysis eyewitness detectionnetwork embeddednessuser “type” classifier location embeddedness…
  29. 29. evaluation“technological inquiry” with working journalistsnot: “how our tools worked”yes: “how fits into journalistic needs, practices”
  30. 30. highlights Vox Civitas VAST 2010 SRSR CHI 2012 CSCW 2012 Multiplayer
  31. 31. what the hell? [with: Lyndon Kennedy, Dan Ellis, Kai Su]
  32. 32. supporting analysis extract the signal from people’s attention:find overlapping momentscompute and rank scenesextract scene descriptors
  33. 33. audio fingerprinting Wang et al. (ISMIR ’03)
  34. 34. a story of two clips
  35. 35. a story of two clips 3:140:000:00 2:32
  36. 36. a story of two clips 0:18 3:320:000:00 2:32
  37. 37. a story of n clips time
  38. 38. clips => scenesHigher GroundEncore time Happy Birthday, Birthday
  39. 39. evaluation deployment scenario/task: Decide whether to attend a show
  40. 40. highlights Vox Civitas VAST 2010 SRSR CHI 2012 CSCW 2012 Multiplayer NM&S 2012 ICMR 2012 MTAP 2012 WWW 2009
  41. 41. towards better models oflarge-scale human attention
  42. 42. experienceHer story allows us to see what was lost, [and]gained, in the political, economic and socialtransformations of the 18th and 19th centuries.
  43. 43. a new archive
  44. 44. future work EXPLORE Researcher SOCRATES COLLECT Hypotheses and research questions YouTub kr Wor ss Tw r ata ANALYZE a CityBeat
  45. 45. EXPLORESOCRATES Researcher COLLECT Hypotheses and research questions YouTub krWor ss Tw r ata ANALYZE a
  46. 46. CityBeatEverywhere where there is an interaction between aplace, a time, and an expenditure of energy, there isrhythm. - Henri Lefebvre
  47. 47. thanksLuis GravanoHila Becker Nick Diakopoulos Kai Su Dan EllisMunmun de Choudhury Tarikh Korula …
  48. 48. questions? mor@rutgers.edu @informorhttp://mornaaman.com

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