WHERE:
Grenfell Tower, North Kensington, London, UK
WHEN:
14 June 2017, 00:54 Local Time
WHAT:
60 hours of fire until extinguished
CASUALTIES:
72 died, over 70 injured, 2000 lost homes
RQ1:
How did the public sentiment about the Grenfell Tower Fire on Twitter evolve over time?
RQ2:
How did the conversation about the Grenfell Tower Fire on Twitter evolve over time?
Data: Sub-sample (10%) of 145k Tweets
Sentiment Analysis
Topic Modeling
1. People sleep at night
2. Big data is too big
3. If you are happy when tragedy happens, you are probably not human
4. The Queen always wins in the end
1. We see overall negative sentiment for tweets after crisis like this.
2. Sentiment is context-dependent. Different pattern of trends can only be seen once we look at specific topic.
1. Twitter can be a useful platform for public communication during and after a crisis.
2. Announcement of support from government and organisations would generate positive sentiment on social media after crisis.