Collective smile: Measuring societal happiness from geolocated images

Keyphrases

• Happiness 100%
• Social Media 50%
• Temporal Trends 50%
• Level Analysis 50%
• Global Level 50%
• Socio-technical Systems 50%
• Human Nature 50%
• Facial Expression 50%
• Public Sentiment 50%
• Text-dependent 50%
• Emotional Intelligence 50%
• Treasure 50%
• Trove 50%
• Economic Indicators 50%
• Geolocated Tweets 50%

Computer Science

• Reported Happiness 100%

Psychology

• Collective Emotion 50%
• Self-Reported Happiness 50%