Data is the fuel of the technological revolution. Both businesses and cities are competing to collect the largest amounts of data. Many cities use the accumulated data to create ratings and indices that assess the work of city networks. Based on these data, city administrations can see which areas are being developed successfully, and which aspects need to be strengthened. The result is an effective decision-making process aimed at solving specific problems.

• Which megacities have been successful in using data-driven ratings and indices?
• How can the city integrate and organise internal data sources?
• How can it cooperate with the owners of external data sources that are vital for the decision-making process?
• How is real time monitoring transforming change management in the city?