Andrienko, GennadyGennadyAndrienkoGunopulos, D.D.GunopulosIoannidis, Y.Y.IoannidisKalogeraki, V.V.KalogerakiKatakis, I.I.KatakisMorik, KatharinaKatharinaMorikVerscheure, O.O.Verscheure2022-03-052022-03-052016https://publica.fraunhofer.de/handle/publica/24474310.1016/j.is.2016.01.001Modern cities are flooded with data. New information sources like public transport and wearable devices provide opportunities for novel applications that will improve citizens' quality of life. From a data science perspective, data emerging from smart cities give rise to a lot of challenges that constitute a new interdisciplinary field of research. This article introduces the second part of a special issue on the topic 'Mining Urban Data' published in the journal Information Systems.en300editorial