Six Degrees of Freedom Incremental Occlusion Horizon Culling Method for Urban Environments. - Gurkan Koldas; Veysi Isler; Rynson W. H. Lau (ISVC (1), 2007)

Prefetching Optimization for Distributed Urban Environments. - Safak Burak Cevikbas; Gurkan Koldas; Veysi Isler (CW, 2008)

Efficient visibility estimation for distributed virtual urban environments (Dağıtık sanal şehir ortamları için etkin görünürlük kestirimi) - Gurkan Koldas (2008)