Have a nice trip: an algorithm for identifying excess routes under satisfaction constraints. - Hans Skov-Petersen; Martin Zachariasen; Pimin Konstantin Kefaloukos (Int. J. Geogr. Inf. Sci., 2010)

TileHeat: a framework for tile selection. - Pimin Konstantin Kefaloukos; Marcos Antonio Vaz Salles; Martin Zachariasen (SIGSPATIAL/GIS, 2012)

Declarative cartography: In-database map generalization of geospatial datasets. - Pimin Konstantin Kefaloukos; Marcos Antonio Vaz Salles; Martin Zachariasen (ICDE, 2014)