1. Albrecht J (1998) Universal analytical GIS operations: a task-oriented systematization of data structure-independent GIS functionality. In: Onsrud H, Craglia M (eds) Geographic information research: transatlantic perspectives. Taylor and Francis, New York, pp 577–591
2. Ballatore A, Kuhn W, Hegarty M, Parsons E (2016) Spatial approaches to information search. Spat Cogn Comput 16(4):245–254
3. Bernard L, Mäs S, Müller M, Henzen C, Brauner J (2014) Scientific geodata infrastructures: challenges, approaches and directions. Int J Digit Earth 7(7):613–633
4. Blei DM (2012) Probabilistic topic models. Commun ACM 55(4):77–84
5. Boyd D, Crawford K (2011) Six provocations for Big Data. In: Decade in internet time: symposium on the dynamics of the internet and society. Oxford Internet Institute, Oxford, UK