The Topology of Spatial Scenes in ℝ2. - Joshua A. Lewis; Matthew P. Dube; Max J. Egenhofer (COSIT, 2013)

Oriented Regions for Linearly Conceptualized Features. - Joshua A. Lewis; Max J. Egenhofer (GIScience, 2014)

Swiss Canton Regions: A Model for Complex Objects in Geographic Partitions. - Matthew P. Dube; Max J. Egenhofer; Joshua A. Lewis; Shirly Stephen; Mark A. Plummer (COSIT, 2015)

Point Partitions: A Qualitative Representation for Region-Based Spatial Scenes in ℝ^2. - Joshua A. Lewis; Max J. Egenhofer (GIScience, 2016)