References of "Billen, Roland"
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See detailInformation géographique tridimensionnelle
Saux, Eric; Billen, Roland ULg

in Revue internationale de Géomatique (2006), 16(1), 134

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See detailProjective relations in a 3D environment
Billen, Roland ULg; Clementini, Eliseo

in Lecture Notes in Computer Science (2006), 4197

This paper presents a model for positional relations among bodies of arbitrary shape in three dimensions. It is based on an existing model for projective relations among regions in two dimensions. The ... [more ▼]

This paper presents a model for positional relations among bodies of arbitrary shape in three dimensions. It is based on an existing model for projective relations among regions in two dimensions. The motivation is to provide a formal qualitative spatial relations model for emerging 3D applications. Two sets of relations are defined: ternary projective relations based on the concept of collinearity between a primary object and two reference objects and quaternary projective relations based on the concept of coplanarity between a primary object and three reference objects. Four sets of JEPD relations are defined for points and bodies in R-3. [less ▲]

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See detailInvestigating a bottom-up approach for extracting domain ontologies from urban databases
Chaidron, Christophe; Teller, Jacques ULg; Billen, Roland ULg

in Proceedings of the 1st Workshop of COST Action C21 Towntology (2006)

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See detailGIS Design and Implementation Methods: The MECOSIG Improvement and Updating Project
Pantazis, Dimos; Donnay, Jean-Paul ULg; Billen, Roland ULg

in Proceedings of the 25th UDMS Symposium (2006)

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See detailAnalyse des besoins en information 3D
Billen, Roland ULg; Chaidron, Christophe

Report (2005)

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See detailProjective primitives vs. Topological promitives: What’s the benefit ?
Billen, Roland ULg

Conference (2005, April)

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See detailProceedings of the GIS Research UK 13th annual conference
Billen, Roland ULg; Drummond, Jane; Forrest, David et al

Book - University of Glasgow (2005)

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See detail3D Urban GIS
Billen, Roland ULg

Scientific conference (2005, March 01)

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See detailSemantics of Collinearity Among Regions
Billen, Roland ULg; Clementini, Eliseo

in Lecture Notes in Computer Science (2005)

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See detailWhich objects for 3D urban GIS?
Billen, Roland ULg

Conference (2004, June 09)

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See detailA model for ternary projective relations between regions
Billen, Roland ULg; Clementini, Eliseo

in Lecture Notes in Computer Science (2004)

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See detailIntroducing a reasoning system based on ternary projective relationships
Billen, Roland ULg; Clementini, Eliseo

in Fisher, Peter (Ed.) Developments in Spatial Data Handling (2004)

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See detailEtude des caractéristiques projectives des objets spatiaux et de leurs relations
Billen, Roland ULg; Clementini, Eliseo

in Revue Internationale de Géomatique (2004), 14(2), 145-165

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See detailA projective approach to handle 3D spatial data
Billen, Roland ULg

in Proceedings of GIS Research UK 2004 (2004)

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See detailSome aspects of Spatial Information Theory in Geographical Information Science
Billen, Roland ULg

Scientific conference (2003, December 05)

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See detailA projective approach to handle 3D spatial data
Billen, Roland ULg

Poster (2003, September)

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See detail3D spatial relationships model: a useful concept for 3D cadastre?
Billen, Roland ULg; Zlatanova, Siyka

in Computers, Environment & Urban Systems (2003), 27(4), 411-425

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See detailConceptual issues in 3D Urban GIS
Billen, Roland ULg; Zlatanova, Siyka

in GIM International (2003), 17(1), 33-35

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