The Landmark Spider: Representing Landmark Knowledge for Wayfinding Tasks. - David Caduff; Sabine Timpf (AAAI Spring Symposium: Reasoning with Mental and External Diagrams: Computational Modeling and Spatial Assistance, 2005)

Geo-Mobile Queries: Sketch-Based Queries in Mobile GIS-Environments. - David Caduff; Max J. Egenhofer (W2GIS, 2005)

Refined Route Instructions Using Topological Stages of Closeness. - Markus Wuersch; David Caduff (W2GIS, 2005)

Geo-Mobile Query-by-Sketch. - David Caduff; Max J. Egenhofer (Int. J. Web Eng. Technol., 2007)

On the assessment of landmark salience for human navigation. - David Caduff; Sabine Timpf (Cogn. Process., 2008)