Rough classification and accuracy assessment. - Ola Ahlqvist; Johannes Keukelaar; Karim Oukbir (Int. J. Geogr. Inf. Sci., 2000)

Context Sensitive Transformation of Geographic Information. - Ola Ahlqvist (2000)

Rough and fuzzy geographical data integration. - Ola Ahlqvist; Johannes Keukelaar; Karim Oukbir (Int. J. Geogr. Inf. Sci., 2003)

A Parameterized Representation of Uncertain Conceptual Spaces. - Ola Ahlqvist (Trans. GIS, 2004)

Using Semantic Similarity Metrics to Uncover Category and Land Cover Change. - Ola Ahlqvist (GeoS, 2005)

Using uncertain conceptual spaces to translate between land cover categories. - Ola Ahlqvist (Int. J. Geogr. Inf. Sci., 2005)

Visualizing the Uncertainty of Urban Ontology Terms. - Hyowon Ban; Ola Ahlqvist (Ontologies for Urban Development, 2007)

Synchronous Objects for One Flat Thing, reproduced. - Maria Palazzi; Norah Zuniga Shaw; William Forsythe; Matthew R. Lewis; Beth Albright; Michael Andereck; Sucheta Bhatawadekar; Hyowon Ban; Andrew Calhoun; Jane Drozd; Joshua Fry; Melissa S. Quintanilha; et al. (SIGGRAPH Art Gallery, 2009)

Representing and negotiating uncertain geospatial concepts - Where are the exurban areas? - Hyowon Ban; Ola Ahlqvist (Comput. Environ. Urban Syst., 2009)

A Common Framework for Visually Reconciling Geographic Data Semantics in Geospatial Data Mapping Portals. - Ola Ahlqvist (Cartogr. Int. J. Geogr. Inf. Geovisualization, 2010)

User evaluation of a software interface for geovisualization and communication of uncertain urban ontologies. - Hyowon Ban; Ola Ahlqvist (J. Inf. Technol. Constr., 2010)

On the (Limited) Difference between Feature and Geometric Semantic Similarity Models. - Ola Ahlqvist (GeoS, 2011)

Geospatial Human-environment Simulation through Integration of Massive Multiplayer Online Games and Geographic Information Systems. - Ola Ahlqvist; Thomas Loffing; Jay Ramanathan; Austin Kocher (Trans. GIS, 2012)

GeoGame analytics - A cyber-enabled petri dish for geographic modeling and simulation. - Ola Ahlqvist; Nayan Khodke; Rajiv Ramnath (Comput. Environ. Urban Syst., 2018)