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Exploring the news | Always multi-source, multimodal and personalized
News Rover
The News Today
The News Today
The News Today
The News Today
The News Today
The News Today
Trends and StatisticsNews 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
sportspoliticstechsports economicspolitics
Heterogeneous Large-scale 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 StructureW
hen
?W
ho
?W
hat
?W
her
e?
‘Same-sex Marriage’ ‘France/Mali’ conflict
‘Debt Limit’
Topical Organization
‘Cong. Budget Office’ ‘Consumer Debt’
Coverage Trendline
Event Geo-visualization
Name Extraction & Normalization
Multimodal Topic Extraction & Linking
Who Said What? in VideoFeatu
re
Mod
es
Audiotrack:
Segmentation:
Speech Segmentation
Visual Speaker Detection
Speaker Gender Classification
Face Tracking & Clustering
Segmented Audiotrack:
Text
Vis
ua
lA
ud
io
Anchor Detection
Name Extraction from Aligned CC-ASR
Name Extraction from OCR
Name Gender Classification
Speaker Diarization
Ed
it D
ista
nce
A
lign
men
t
Male GMM
Female GMM
MFC
C
Cla
ssifi
er
Gen
der
New york times -> search
Shih-Fu Chang, 11/2011
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