The immediacy of social media messages means that it can act as a rich and timely source of real world event information. The detected events can provide a context to observations made by other city information sources such as fixed sensor installations and contribute to building ‘city intelligence’. In this work, we propose a novel unsupervised method to extract real world events that may impa...

With the prediction by the United Nations that 60% of the world’s population will live in cities by the year 2030, it is apparent that the immediate global future is one of urbanisation. Central to the issue of sustainability must therefore be the increasing domination of the city. Determining the sustainability of a city and the affect the city has on global sustainability must be considered f...