Table 3. Significant clusters identified during daily aggregations using Latent Dirichlet Allocation and their associated topics.

Cluster Event	Topic One	Topic Two	Topic Three	Topic Four
Arsenal V Swansea	Emirates	Swansea	Arsenal	Good
Chelsea V Southampton	Premiership	Stamford	Good	Bridge
London Helicopter Crash	Crane	Vauxhall	Helicopter	Thanks
New York Knicks Vs Detroit Pistonsat the 02 Arena	York	Knicks	Greenwich	Pistons
Train Delay A	Train	C2cRail	Away	Electricity
Train Delay B	Back	Hour	Thank	C2cRail