Torsten Hägerstrand in the Citation Time Web

Abstract

Time and space are fundamental to science dynamics, as science concerns not only what but also where and when. We examine the application of a time-geographical approach in a study of articles citing the works of Torsten Hägerstrand. Citation links between these articles were identified and the links were assigned weights based on shared references and cocitations. The main result is that adding a space-time dimension to traditional bibliometric mapping yields new insight into the dynamics of a research field. It became obvious that change in research is both cognitive and spatial; that is, science changes when it moves. © 2012 Taylor and Francis Group, LLC.