The quality and professionally processed data enable cities to create more informed and effective decisions, to evaluate their activities, to respond faster and more directly to the needs of their citizens, which can positively influence public finances and simultaneously improve the living conditions of the citizens. For the purposes of public knowledge, the data represent an information source about the activities of city allowing citizens to deduce responsibilities towards the elected representatives. For the business and non-governmental sector, data represent an instrument for improving quality of provided services.
Open data are information or data freely available for everyone under equal conditions, which can be used for any purpose, commercial or noncommercial. They are available on the internet in structured form, which allows machine processing. The aim of the portal www.opendata.bratislva.sk is to support open data of Bratislava City.