Matching Qualitative Spatial Scene Descriptions á la Tabu. - Malumbo Chipofya; Angela Schwering; Talakisew Binor (MICAI (2), 2013)

Qualitative Representations of Extended Spatial Objects in Sketch Maps. - Sahib Jan; Angela Schwering; Malumbo Chipofya; Talakisew Binor (AGILE Conf., 2014)