Network based Kernel Density Estimation for Cycling Facilities Optimal Location Applied to Ljubljana. - Nicolas Lachance-Bernard; Timothée Produit; Biba Tominc; Matej Niksic; Barbara Golicnik Marusic (ICCSA (2), 2011)

Crowdsourcing, Citizen Science or Volunteered Geographic Information? The Current State of Crowdsourced Geographic Information. - Linda See; Peter Mooney; Giles M. Foody; Lucy Bastin; Alexis J. Comber; Jacinto Estima; Steffen Fritz; Norman Kerle; Bin Jiang 004; Mari Laakso; Hai-Ying Liu; Grega Milcinski; et al. (ISPRS Int. J. Geo Inf., 2016)