|Apr 12, 2022|
Using AI to expand the quality and fairness of urban data
|(Nanowerk News) The sparse and inconsistent availability of urban data is currently hampering efforts to manage our cities fairly and effectively – but this could be solved by exploiting the latest advances in artificial intelligence.|
|Our cities are remarkably complex systems. Every day, they host countless numbers of interconnected exchanges between people and processes, generating vast amounts of data in turn. Researchers have begun to explore how this information could be used to improve urban environments – but due to limitations in its quality, these efforts continue to face significant challenges.|
|Through detailed analysis published in EPJ ST ("Integrative Urban AI to Expand Coverage, Access, and Equity of Urban Data"), Bill Howe and colleagues at the University of Washington, USA, propose how artificial intelligence (AI) could be used to expand the coverage, access, and fairness of data collected in cities.|
|Inpainting results of taxi trip data. From left to right, the columns are: ground truth images; the irregular masks; the masked ground truth; the final inpainting results. (©EPJ ST) (click on image to enlarge)|
|While AI is now increasingly being exploited to analyse cities, its use so far has been widely associated with profit-oriented, potentially societally harmful applications, such as facial recognition. Howe’s team hope that this picture could change through new advances in neural networks: AI models which mimic the functions of our brains as they learn and process new information.|
|Specifically, they propose that the networks could reconcile ‘top-down’ approaches for analysing cities, which aim to model large-scale, emergent properties of cities, with ‘bottom-up’ techniques, which aim to recreate individual interactions as closely as possible. So far, this unification has remained difficult due to inconsistencies in the availability and quality of data collected in cities.|
|To achieve these goals, Howe and colleagues identify four specific challenges which could be addressed by AI: including expansions of existing data sources to account for sparse, inconsistent coverage; developing new sources based around governance, economics, decision making, and public participation; exploiting a more diverse range of approaches to analysing data; and finally, understanding the potential trade-offs between the accuracy, usefulness, and fairness of data.|
|By implementing these improvements, the team hopes that AI could soon be used to address key questions in mobility, justice, and governance within cities, in which all citizens can play a part.|
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