| 2008 | 
| 9 | EE | Pierre Hallot,
Roland Billen:
Life and Motion Configurations: A Basis for Spatio-temporal Generalized Reasoning Model.
ER Workshops 2008: 323-333 | 
| 8 | EE | Roland Billen,
Yohei Kurata:
Refining Topological Relations between Regions Considering Their Shapes.
GIScience 2008: 20-37 | 
| 2007 | 
| 7 | EE | Pierre Hallot,
Roland Billen:
Spatio-Temporal Configurations of Dynamics Points in a 1D Space.
BMI 2007: 77-90 | 
| 6 | EE | Christophe Chaidron,
Roland Billen,
Jacques Teller:
Investigating a Bottom-up Approach for Extracting Ontologies from Urban Databases.
Ontologies for Urban Development 2007: 131-141 | 
| 2006 | 
| 5 | EE | Roland Billen,
Eliseo Clementini:
Projective Relations in a 3D Environment.
GIScience 2006: 18-32 | 
| 4 | EE | Eliseo Clementini,
Roland Billen:
Modeling and Computing Ternary Projective Relations between Regions.
IEEE Trans. Knowl. Data Eng. 18(6): 799-814 (2006) | 
| 2005 | 
| 3 | EE | Roland Billen,
Eliseo Clementini:
Semantics of Collinearity Among Regions.
OTM Workshops 2005: 1066-1076 | 
| 2004 | 
| 2 | EE | Roland Billen,
Eliseo Clementini:
A Model for Ternary Projective Relations between Regions.
EDBT 2004: 310-328 | 
| 2003 | 
| 1 | EE | Roland Billen,
Siyka Zlatanova:
3D spatial relationships model: a useful concept for 3D cadastre?
Computers, Environment and Urban Systems 27(4): 411-425 (2003) |