A Qualitative Model for Visibility Relations. - Francesco Tarquini; Giorgio De Felice; Paolo Fogliaroni; Eliseo Clementini (KI, 2007)

A Hybrid Geometric-Qualitative Spatial Reasoning System and Its Application in GIS. - Giorgio De Felice; Paolo Fogliaroni; Jan Oliver Wallgrün (COSIT, 2011)

Managing Qualitative Spatial Information to Support Query-by-Sketch. - Paolo Fogliaroni; Giorgio De Felice; Falko Schmid; Jan Oliver Wallgrün (Understanding and Processing Sketch Maps @ COSIT, 2011)

Reasoning with Mixed Qualitative-Quantitative Representations of Spatial Knowledge. - Giorgio De Felice (2012)

An egocentric semantic reference system for affordances. - Jens Ortmann; Giorgio De Felice; Dong Wang; Desiree Daniel (Semantic Web, 2014)

Situation awareness in crowdsensing for disease surveillance in crisis situations. - Peter Haddawy; Lutz Frommberger; Tomi Kauppinen; Giorgio De Felice; Prae Charkratpahu; Sirawaratt Saengpao; Phanumas Kanchanakitsakul (ICTD, 2015)