HCIL Symposium: Time for Events
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HCIL Symposium: Time for Events

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