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News Rover. Exploring the news | Always multi-source, multimodal and personalized. The News Today. The News Today. The News Today. The News Today. The News Today. The News Today. Trends and Statistics. News consumption is moving online Advantages: Access on any device
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News Rover Exploring the news | Always multi-source, multimodal and personalized
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
sports politics tech politics sports economics Large-scale Heterogeneous Often Isolated
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
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’
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
Read, Tagand Search • New york times -> search Shih-Fu Chang, 11/2011