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News Rover

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  1. News Rover Exploring the news | Always multi-source, multimodal and personalized

  2. The News Today

  3. The News Today

  4. The News Today

  5. The News Today

  6. The News Today

  7. The News Today

  8. Trends and Statistics News consumption is moving online Advantages: • Access on any device • Available any time, any place • Find related content Where did you get your news yesterday? Source: PEW RESEARCH CENTER 2012 News Consumption Survey

  9. sports politics tech politics sports economics Large-scale Heterogeneous Often Isolated

  10. NewsRover Live Recording System 100 TV channels recorded continuously Linked to Online News and Twitter topics • Per day: • 110 hours video recorded • 1,380 video stories indexed • 460 Google News topics crawled • 550 Twitter topics crawled • Total size: • 28,000 hours video recorded • 464,000 video stories • 24,500 News topics • 80,000 Twitter topics

  11. Navigating the News with Structure Name Extraction & Normalization Who? Topical Organization What? ‘Debt Limit’ ‘Cong. Budget Office’ ‘Consumer Debt’ Coverage Trendline When? Event Geo-visualization Where? ‘France/Mali’ conflict ‘Same-sex Marriage’

  12. Multimodal Topic Extraction & Linking

  13. Who Said What? in Video Speaker Gender Classification Speech Segmentation Speaker Diarization Segmented Audiotrack: Audio Audiotrack: Classifier Segmentation: MFCC Male GMM Gender Visual Speaker Detection Female GMM Face Tracking & Clustering Anchor Detection Feature Modes Visual Name Extraction from Aligned CC-ASR Name Extraction from OCR Name Gender Classification Text Edit Distance Alignment

  14. Read, Tagand Search • New york times -> search Shih-Fu Chang, 11/2011