The degree of polycentricity of an urban region is often claimed to influence the region's competitiveness. However, due to widespread use and policy relevance, the underlying concept of polycentricity has become a ‘stretched concept’ in urban studies rendering academic debate on this topic...

Big data is increasingly seen as a way of providing a more 'scientific' approach to the understanding and management of cities. But most geographic analyses of geotagged social media data have failed to mobilize a sufficiently complex understanding of socio-spatial relations. By combining the...

As more and more aspects of contemporary urban society are tracked and quantified, the emerging cloud of so-called ‘big data' is widely considered to represent a fundamental change in the way we interact with and understand cities. For some proponents of big data, like Anderson (2008), big...