Floods and Social Media: Coping with the Deluge 3

Rodney ClarkeBy Associate Professor Rodney Clarke

The usual approaches to analysing the content of Tweets involve, for example, statistics, as well as techniques from the artificial intelligence community, specifically text mining and machine learning. Statistical approaches generally involve the analysis of word frequencies and the use of visualisation aides like tag clouds to indicate which key words are significant. Often these techniques are used in combination to examine the occurrence and collocation of key words associated with flooding. Continue reading

Floods and Social Media: Coping with the Deluge 1

Rodney ClarkeBy Associate Professor Rodney Clarke

Social media platforms are proliferating globally both in terms of the number of platforms and also the intensity of their use. Some countries use Twitter as a valid source of emergency information and incorporate it as one of the primary sources of emergency intelligence. Continue reading