References of "Billen, Roland"
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See detailLife and Motion Configuration
Hallot, Pierre ULg; Billen, Roland ULg

Poster (2008, September)

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See detailGeneralized life and motion configurations reasoning model
Hallot, Pierre ULg; Billen, Roland ULg

Conference (2008, September)

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See detailLife and Motion Configuration
Hallot, Pierre ULg; Billen, Roland ULg

(2008, September)

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See detailRefining Topological Relations between Regions Considering Their Shapes
Billen, Roland ULg; Kurata, Yohei

in Lecture Notes in Computer Science (2008), 5266/2008

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See detailDevelopment and use of a 4D GIS to support the conservation of the Calakmul site (Mexico, World Heritage Programme)
Van Ruymbeke, Muriel ULg; Tigny, Vincent; De Bats, Erik et al

in Ioannides, M. (Ed.) VSMM 2008. Digital Heritage. Proceedings of the 14th International Conference on Virtual Systems and Multimedia (2008)

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See detailVers la création d’un méta-modèle générique de l’information spatiale 3D urbaine
Billen, Roland ULg; Laplanche, François ULg; Zlatanova, Siyka et al

in Revue XYZ (2008), 114(1), 37-42

The need of 3D urban spatial data infrastructures (3D SDI) is now almost commonly accepted. However, their implementation suffers from a lack of standardisation. This is usually due to an underestimation ... [more ▼]

The need of 3D urban spatial data infrastructures (3D SDI) is now almost commonly accepted. However, their implementation suffers from a lack of standardisation. This is usually due to an underestimation of the initial conceptual step, where modelling options should be clearly stated. In this article, we present a modelling ontological approach inspired by our experience in spatial data acquisition techniques. In this ontology, one considers that the universe is composed of free space and occupied space and that their interface is the only measurable feature. On that basis, we present a generic 3D urban spatial information meta-model. This meta-model is compared to the City GML standard through the study of the building object. Expect from some level-ofdetail issues, both models are compatible. [less ▲]

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See detailCurrent and Future Trends in Dynamic and Mobile GIS
Drummond, Jane; Joao, Elsa; Billen, Roland ULg

in Drummond, Jane; Billen, Roland; Joao, Elsa (Eds.) et al Dynamic and Mobile GIS: Investigating Changes in Space and Time (2007)

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See detailSpatio-temporal configurations of dynamics points in a 1D space
Hallot, Pierre ULg; Billen, Roland ULg

in Gottfired, Björn (Ed.) Workshop on Behaviour Monitoring and Interpretation BMI'07 (2007)

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See detailInvestigating a Bottom-up Approach for Extracting Ontologies from Urban Databases
Chaidron, Christophe; Billen, Roland ULg; Teller, Jacques ULg

in Teller, Jacques; Lee, John; Roussey, Catherine (Eds.) Ontologies for Urban Development (2007)

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See detailDynamic and Mobile GIS: Investigating Changes in Space and Time
Drummond, Jane; Billen, Roland ULg; Joao, Elsa et al

Book published by CRC Press (2007)

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See detailModeling and computing ternary projective relations between regions
Clementini, Eliseo; Billen, Roland ULg

in IEEE Transactions on Knowledge and Data Engineering (2006), 18(6), 799-814

Current spatial database systems offer limited querying capabilities beyond binary topological relations. This paper introduces a model for projective relations between regions to support other ... [more ▼]

Current spatial database systems offer limited querying capabilities beyond binary topological relations. This paper introduces a model for projective relations between regions to support other qualitative spatial queries. The relations are ternary because they are based on the collinearity invariant of three points under projective geometry. The model is built on a partition of the plane into separate zones that are obtained from projective properties of two reference objects: Then, by considering the empty/ nonempty intersections of a primary object with these zones, the model is able to distinguish between 34 different projective relations. Then, the paper proposes original algorithms for computing the relations under the assumption that regions of the plane are stored as vector polygons in a spatial database. These algorithms run in optimal O(n log n) time. [less ▲]

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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 detailInformation géographique tridimensionnelle
Saux, Eric; Billen, Roland ULg

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

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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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