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research questionscan Twitter content around broadcastnews events inform journalistic inquiry?what insights and analyses can weenable through visual analytic tools?[with postdoctoral fellow Nick Diakopoulos]
designing for journalismdivergent points of viewnewsworthiness: surprising, unusual,extremes of positive / negative
how to evaluate?directly evaluate the output of thealgorithms (quantitative)deep, extensive evaluation of users’interaction with 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
takeawayscan extract reliable event structure fromsocial media
overview Vox Civitas (VAST 2010) SRSR Multiplayer
research question how can we help a journalists identify reliable, knowledgeable sources for remote breaking news events?[with postdoctoral fellows Nick Diakopoulos, Mummun De Choudhury]