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Bradley, P E (2010) An ultrametric interpretation of building related event data. Construction Management and Economics, 28(03), 26.

  • Type: Journal Article
  • Keywords: building stock dynamics; hierarchical classification; ultrametric methods
  • ISBN/ISSN: 0144-6193
  • URL: https://doi.org/10.1080/01446190903473790
  • Abstract:
    The long-term behaviour of the built environment is relevant to practising architects and engineers as well as to investors and policy makers. In contrast to this, the size, structure and dynamics of that important capital of society are not well established. As a first step towards assessing the dynamics of new constructions, refurbishments, demolitions and other building related event variables in urban building stocks in Southwest Germany, a first random sample of event data is examined using the more efficient ultrametric hierarchical classification in order to compare their dynamics. To this end, different ways of binary encodings of the multivariate data are carried out, and their ultrametric classification results compared. It turns out that municipalities of comparable sizes show similar behaviour in contrast to those of differing sizes, which corresponds to previous findings. Consequently, ultrametric methods can be applied to the study of building stock dynamics by revealing inherent hierarchical structure in data.