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

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    HCIL Symposium: Time for Events HCIL Symposium: Time for Events Presentation Transcript

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