Papers

2018

A framework for the representation of two versions of a 3D model in 4D space. Stelios Vitalis, Ken Arroyo Ohori and Jantien Stoter. In Ken Arroyo Ohori, Anna Labetski, Giorgio Agugiaro, Mila Koeva and Jantien Stoter (eds.), 13th 3D Geoinfo Conference, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences IV-4(W6), ISPRS, Delft, The Netherlands, October 2018, pp. 81–88. ISSN: 2194–9042 (Print), 2194–9050 (Internet and USB).
@incollection{183dgeoinfo,
	address = {Delft, The Netherlands},
	author = {Stelios Vitalis and Ken {Arroyo Ohori} and Jantien Stoter},
	booktitle = {13th 3D Geoinfo Conference},
	editor = {Ken {Arroyo Ohori} and Anna Labetski and Giorgio Agugiaro and Mila Koeva and Jantien Stoter},
	month = {oct},
	note = {ISSN: 2194--9042 (Print), 2194--9050 (Internet and USB)},
	number = {W6},
	pages = {81--88},
	publisher = {ISPRS},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	title = {A framework for the representation of two versions of a {3D} model in {4D} space},
	volume = {IV-4},
	year = {2018}
}
Modeling cities and landscapes in 3D with CityGML. Ken Arroyo Ohori, Filip Biljecki, Kavisha Kumar, Hugo Ledoux and Jantien Stoter. In André Borrmann, Markus König, Christian Koch and Jakob Beetz (eds.), Building Information Modeling: Technology Foundations and Industry Practice, Springer, September 2018, pp. 199–215. ISBN: 978–3–319–92861–6 (Print) 978–3–319–92862–3 (Online).
@incollection{18bimchapter,
	author = {Ken {Arroyo Ohori} and Filip Biljecki and Kavisha Kumar and Hugo Ledoux and Jantien Stoter},
	booktitle = {Building Information Modeling: Technology Foundations and Industry Practice},
	editor = {Andr\'e Borrmann and Markus K\"onig and Christian Koch and Jakob Beetz},
	month = {sep},
	note = {ISBN: 978--3--319--92861--6 (Print) 978--3--319--92862--3 (Online)},
	pages = {199--215},
	publisher = {Springer},
	title = {Modeling Cities and Landscapes in {3D} with {CityGML}},
	year = {2018}
}
Processing BIM and GIS models in practice: experiences and recommendations from a GeoBIM project in the Netherlands. Ken Arroyo Ohori, Abdoulaye Diakité, Thomas Krijnen, Hugo Ledoux and Jantien Stoter. ISPRS International Journal of Geo-Information 7(8), August 2018. ISSN: 2220–9964.
@article{18ijgi,
	author = {Ken {Arroyo Ohori} and Abdoulaye Diakit\'e and Thomas Krijnen and Hugo Ledoux and Jantien Stoter},
	journal = {ISPRS International Journal of Geo-Information},
	month = {aug},
	note = {ISSN: 2220--9964},
	number = {8},
	title = {Processing {BIM} and {GIS} Models in Practice: Experiences and Recommendations from a {GeoBIM} Project in The {N}etherlands},
	volume = {7},
	year = {2018}
}
Topological reconstruction of 3D city models with preservation of semantics. Stelios Vitalis, Ken Arroyo Ohori and Jantien Stoter. In A. Mansourian, P. Pilesjö, L. Harrie and R. von Lammeren (eds.), Geospatial Technologies for All: short papers, posters and poster abstracts of the 21th AGILE Conference on Geographic Information Science. Lund University 12-15 June 2018, Lund, Sweden, June 2018. ISBN: 978–3–319–78208–9.
@inproceedings{18agile,
	address = {Lund, Sweden},
	author = {Stelios Vitalis and Ken {Arroyo Ohori} and Jantien Stoter},
	booktitle = {Geospatial Technologies for All: short papers, posters and poster abstracts of the 21th AGILE Conference on Geographic Information Science. Lund University 12-15 June 2018},
	editor = {Mansourian, A. and Pilesj{\"{o}}, P. and Harrie, L. and von Lammeren, R.},
	month = {jun},
	note = {ISBN: 978--3--319--78208--9},
	title = {Topological Reconstruction of {3D} City Models with preservation of semantics},
	year = {2018}
}
Essential means for urban computing: specification of web-based computing platforms for urban planning, a hitchhiker’s guide. Pirouz Nourian, Carlos Martinez-Ortiz and Ken Arroyo Ohori. Urban Planning 3(1), March 2018, pp. 47–57. ISSN: 2183–7635.
@article{18up,
	author = {Pirouz Nourian and Carlos Martinez-Ortiz and Ken Arroyo Ohori},
	journal = {Urban Planning},
	month = {mar},
	note = {ISSN: 2183--7635},
	number = {1},
	pages = {47--57},
	title = {Essential Means for Urban Computing: Specification of Web-Based Computing Platforms for Urban Planning, a Hitchhiker's Guide},
	volume = {3},
	year = {2018}
}

2017

Towards an integration of GIS and BIM data: what are the geometric and topological issues?. Ken Arroyo Ohori, Filip Biljecki, Abdoulaye Diakité, Thomas Krijnen, Hugo Ledoux and Jantien Stoter. In M. Kalantari and A. Rajabifard (eds.), 12th 3D Geoinfo Conference, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences IV–4/W5, ISPRS, Melbourne, Australia, October 2017, pp. 1–8. ISSN: 2194–9042 (Print), 2194–9050 (Internet and USB).
@incollection{173dgeoinfo,
	address = {Melbourne, Australia},
	author = {Ken {Arroyo Ohori} and Filip Biljecki and Abdoulaye Diakit\'e and Thomas Krijnen and Hugo Ledoux and Jantien Stoter},
	booktitle = {12th 3D Geoinfo Conference},
	editor = {M. Kalantari and A. Rajabifard},
	month = {oct},
	note = {ISSN: 2194--9042 (Print), 2194--9050 (Internet and USB)},
	pages = {1--8},
	publisher = {ISPRS},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	title = {Towards an integration of {GIS} and {BIM} data: what are the geometric and topological issues?},
	volume = {IV--4/W5},
	year = {2017}
}
Visualising higher-dimensional space-time and space-scale objects as projections to R3. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. PeerJ Computer Science 3:e123, July 2017. ISSN: 2376–5992.
@article{17peerj,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	journal = {PeerJ Computer Science},
	month = {jul},
	note = {ISSN: 2376--5992},
	title = {Visualising higher-dimensional space-time and space-scale objects as projections to {R3}},
	volume = {3:e123},
	year = {2017}
}
Modelling and manipulating spacetime objects in a true 4D model. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. Journal of Spatial Information Science 14, June 2017, pp. 61–93. ISSN: 1948–660X.
@article{17josis,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	journal = {Journal of Spatial Information Science},
	month = {jun},
	note = {ISSN: 1948--660X},
	pages = {61--93},
	title = {Modelling and manipulating spacetime objects in a true {4D} model},
	volume = {14},
	year = {2017}
}
Solving the horizontal conflation problem with a constrained Delaunay triangulation. Hugo Ledoux and Ken Arroyo Ohori. Journal of Geographical Systems 19(1), January 2017, pp. 21–42. ISSN: 1435–5930 (print version), 1435–5949 (electronic version).
@article{17jgsy,
	author = {Hugo Ledoux and Ken {Arroyo Ohori}},
	journal = {Journal of Geographical Systems},
	month = {jan},
	note = {ISSN: 1435--5930 (print version), 1435--5949 (electronic version)},
	number = {1},
	pages = {21--42},
	title = {Solving the horizontal conflation problem with a constrained {D}elaunay triangulation},
	volume = {19},
	year = {2017}
}

2016

Defining simple nD operations based on prismatic nD objects. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. In E. Dimopoulou and P. van Oosterom (eds.), 11th 3D Geoinfo Conference, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences IV–2/W1, ISPRS, Athens, Greece, October 2016, pp. 155–162. ISSN: 2194–9042 (Print), 2194–9050 (Internet and USB).
@incollection{163dgeoinfo,
	address = {Athens, Greece},
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	booktitle = {11th 3D Geoinfo Conference},
	editor = {E. Dimopoulou and P. {van Oosterom}},
	month = {oct},
	note = {ISSN: 2194--9042 (Print), 2194--9050 (Internet and USB)},
	pages = {155--162},
	publisher = {ISPRS},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	title = {Defining simple n{D} operations based on prismatic n{D} objects},
	volume = {IV--2/W1},
	year = {2016}
}
Population estimation using a 3D city model: a multi-scale country-wide study in the Netherlands. Filip Biljecki, Ken Arroyo Ohori, Hugo Ledoux, Ravi Peters and Jantien Stoter. PLOS ONE 11(6), June 2016. ISSN: 1932–6203.
@article{16plosone,
	author = {Filip Biljecki and Ken {Arroyo Ohori} and Hugo Ledoux and Ravi Peters and Jantien Stoter},
	journal = {PLOS ONE},
	month = {jun},
	note = {ISSN: 1932--6203},
	number = {6},
	title = {Population Estimation Using a {3D} City Model: A Multi-Scale Country-Wide Study in the {N}etherlands},
	volume = {11},
	year = {2016}
}
Voxelization algorithms for geospatial applications: computational methods for voxelating spatial datasets of 3D city models containing 3D surface, curve and point data models. Pirouz Nourian, Romulo Gonçalves, Sisi Zlatanova, Ken Arroyo Ohori and Anh Vu Vo. MethodsX 3, January 2016, pp. 69–86. ISSN: 2215–0161.
@article{16methodsx,
	author = {Pirouz Nourian and Romulo Gon\c{c}alves and Sisi Zlatanova and Ken {Arroyo Ohori} and Anh Vu Vo},
	journal = {MethodsX},
	month = {jan},
	note = {ISSN: 2215--0161},
	pages = {69--86},
	title = {Voxelization Algorithms for Geospatial Applications: Computational methods for voxelating spatial datasets of {3D} city models containing {3D} surface, curve and point data models},
	volume = {3},
	year = {2016}
}

2015

Automatically enhancing CityGML LOD2 models with a corresponding indoor geometry. Roeland Boeters, Ken Arroyo Ohori, Filip Biljecki and Sisi Zlatanova. International Journal of Geographical Information Science 29(12), December 2015, pp. 2248–2268. ISSN: 1365–8816 (Print), 1362–3087 (Online).
@article{15ijgis_roeland,
	author = {Roeland Boeters and Ken {Arroyo Ohori} and Filip Biljecki and Sisi Zlatanova},
	journal = {International Journal of Geographical Information Science},
	month = {dec},
	note = {ISSN: 1365--8816 (Print), 1362--3087 (Online)},
	number = {12},
	pages = {2248--2268},
	title = {Automatically enhancing {CityGML} {LOD2} models with a corresponding indoor geometry},
	volume = {29},
	year = {2015}
}
Automatic semantic-preserving conversion between OBJ and CityGML. Filip Biljecki and Ken Arroyo Ohori. In F. Biljecki and V. Tourre (eds.), Eurographics Workshop on Urban Data Modelling and Visualisation, Eurographics Association, Delft, The Netherlands, November 2015, pp. 25–30. ISBN: 978–3–905674–80–4 ISSN: 2307–8251.
@incollection{15udmv,
	address = {Delft, The Netherlands},
	author = {Filip Biljecki and Ken {Arroyo Ohori}},
	booktitle = {Eurographics Workshop on Urban Data Modelling and Visualisation},
	editor = {F. Biljecki and V. Tourre},
	month = {nov},
	note = {ISBN: 978--3--905674--80--4 ISSN: 2307--8251},
	pages = {25--30},
	publisher = {Eurographics Association},
	title = {Automatic semantic-preserving conversion between {OBJ} and {CityGML}},
	year = {2015}
}
Storing a 3D city model, its levels of detail and the correspondences between objects as a 4D combinatorial map. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. In Alias Abdul Rahman, Umit Isikdag and Francesc Antón Castro (eds.), ISPRS Joint International Geoinformation Conference 2015, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences II–2/W2, ISPRS, Kuala Lumpur, Malaysia, October 2015, pp. 1–8. ISSN: 2194–9042 (Print), 2194–9050 (Internet and USB).
@incollection{15isprs,
	address = {Kuala Lumpur, Malaysia},
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	booktitle = {ISPRS Joint International Geoinformation Conference 2015},
	editor = {Alias Abdul Rahman and Umit Isikdag and Francesc Ant\'on Castro},
	month = {oct},
	note = {ISSN: 2194--9042 (Print), 2194--9050 (Internet and USB)},
	pages = {1--8},
	publisher = {ISPRS},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	title = {Storing a {3D} city model, its levels of detail and the correspondences between objects as a {4D} combinatorial map},
	volume = {II--2/W2},
	year = {2015}
}
Modelling a 3D city model and its levels of detail as a true 4D model. Ken Arroyo Ohori, Hugo Ledoux, Filip Biljecki and Jantien Stoter. ISPRS International Journal of Geo-Information 4(3), September 2015, pp. 1055–1075. ISSN: 2220–9964.
@article{15ijgi,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Filip Biljecki and Jantien Stoter},
	journal = {ISPRS International Journal of Geo-Information},
	month = {sep},
	note = {ISSN: 2220--9964},
	number = {3},
	pages = {1055--1075},
	title = {Modelling a {3D} city model and its levels of detail as a true {4D} model},
	volume = {4},
	year = {2015}
}
A dimension-independent extrusion algorithm using generalised maps. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. International Journal of Geographical Information Science 29(7), July 2015, pp. 1166–1186. ISSN: 1365–8816 (Print), 1362–3087 (Online).
@article{15ijgis_extrusion,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	journal = {International Journal of Geographical Information Science},
	month = {jul},
	note = {ISSN: 1365--8816 (Print), 1362--3087 (Online)},
	number = {7},
	pages = {1166--1186},
	title = {A dimension-independent extrusion algorithm using generalised maps},
	volume = {29},
	year = {2015}
}
An evaluation and classification of nD topological data structures for the representation of objects in a higher-dimensional GIS. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. International Journal of Geographical Information Science 29(5), May 2015, pp. 825–849. ISSN: 1365–8816 (Print), 1362–3087 (Online).
@article{15ijgis_ndstructures,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	journal = {International Journal of Geographical Information Science},
	month = {may},
	note = {ISSN: 1365--8816 (Print), 1362--3087 (Online)},
	number = {5},
	pages = {825--849},
	title = {An evaluation and classification of {nD} topological data structures for the representation of objects in a higher-dimensional {GIS}},
	volume = {29},
	year = {2015}
}

2014

A triangulation-based approach to automatically repair GIS polygons. Hugo Ledoux, Ken Arroyo Ohori and Martijn Meijers. Computers & Geosciences 66, May 2014, pp. 121–131. ISSN: 0098–3004.
@article{14cg,
	author = {Hugo Ledoux and Ken {Arroyo Ohori} and Martijn Meijers},
	journal = {Computers \& Geosciences},
	month = {may},
	note = {ISSN: 0098--3004},
	pages = {121--131},
	title = {A triangulation-based approach to automatically repair {GIS} polygons},
	volume = {66},
	year = {2014}
}
Constructing an n-dimensional cell complex from a soup of (n-1)-dimensional faces. Ken Arroyo Ohori, Guillaume Damiand and Hugo Ledoux. In Prosenjit Gupta and Christos Zaroliagis (eds.), Applied Algorithms. First International Conference, ICAA 2014, Kolkata, India, January 13-15, 2014. Proceedings, Lecture Notes in Computer Science 8321, Springer International Publishing Switzerland, Kolkata, India, January 2014, pp. 37–48. ISBN: 978–3–319–04125–4 (Print) 978–3–319–04126–1 (Online) ISSN: 0302–9743 (Print) 1611–3349 (Online).
@incollection{14icaa,
	address = {Kolkata, India},
	author = {Ken {Arroyo Ohori} and Guillaume Damiand and Hugo Ledoux},
	booktitle = {Applied Algorithms. First International Conference, ICAA 2014, Kolkata, India, January 13-15, 2014. Proceedings},
	editor = {Prosenjit Gupta and Christos Zaroliagis},
	month = {jan},
	note = {ISBN: 978--3--319--04125--4 (Print) 978--3--319--04126--1 (Online) ISSN: 0302--9743 (Print) 1611--3349 (Online)},
	pages = {37--48},
	publisher = {Springer International Publishing Switzerland},
	series = {Lecture Notes in Computer Science},
	title = {Constructing an n-dimensional cell complex from a soup of (n-1)-dimensional faces},
	volume = {8321},
	year = {2014}
}

2013

Using extrusion to generate higher-dimensional GIS datasets. Ken Arroyo Ohori and Hugo Ledoux. In Craig Knoblock, Peer Kröger, John Krumm, Markus Schneider and Peter Widmayer (eds.), SIGSPATIAL’13: Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, ACM, Orlando, United States, November 2013, pp. 398–401. ISBN: 978–1–4503–2521–9.
@incollection{13acmsigspatial,
	address = {Orlando, United States},
	author = {Ken {Arroyo Ohori} and Hugo Ledoux},
	booktitle = {SIGSPATIAL'13: Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems},
	editor = {Craig Knoblock and Peer Kr\"oger and John Krumm and Markus Schneider and Peter Widmayer},
	month = {nov},
	note = {ISBN: 978--1--4503--2521--9},
	pages = {398--401},
	publisher = {ACM},
	title = {Using extrusion to generate higher-dimensional {GIS} datasets},
	year = {2013}
}
Modelling higher dimensional data for GIS using generalised maps. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. In B. Murgante, S. Misra, M. Carlini, C. Torre, H. Q. Nguyen, D. Taniar, B. Apduhan and O. Gervasi (eds.), Computational Science and Its Applications — ICCSA 2013. 13th International Conference, Ho Chi Minh City, Vietnam, June 24–27, 2013, Proceedings, Part I, Lecture Notes in Computer Science 7971, Springer Berlin Heidelberg, Ho Chi Minh City, Vietnam, June 2013, pp. 526–539. ISBN: 978–3–642–39636–6 (Print) 978–3–642–39637–3 (Online) ISSN: 0302–9743 (Print) 1611–3349 (Online).
@incollection{13iccsa,
	address = {Ho Chi Minh City, Vietnam},
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	booktitle = {Computational Science and Its Applications --- ICCSA 2013. 13th International Conference, Ho Chi Minh City, Vietnam, June 24--27, 2013, Proceedings, Part I},
	editor = {B. Murgante and S. Misra and M. Carlini and C. Torre and H.Q. Nguyen and D. Taniar and B. Apduhan and O. Gervasi},
	month = {jun},
	note = {ISBN: 978--3--642--39636--6 (Print) 978--3--642--39637--3 (Online) ISSN: 0302--9743 (Print) 1611--3349 (Online)},
	pages = {526--539},
	publisher = {Springer Berlin Heidelberg},
	series = {Lecture Notes in Computer Science},
	title = {Modelling Higher Dimensional Data for {GIS} Using Generalised Maps},
	volume = {7971},
	year = {2013}
}
Representing the dual of objects in a four-dimensional GIS. Ken Arroyo Ohori, Pawel Boguslawski and Hugo Ledoux. In A. Abdul Rahman, P. Boguslawski, C. Gold and M. N. Said (eds.), Developments in Multidimensional Spatial Data Models, Lecture Notes in Geoinformation and Cartography, Springer Berlin Heidelberg, Johor Bahru, Malaysia, May 2013, pp. 17–31. ISBN: 978–3–642–36378–8 (Print) 978–3–642–36379–5 (Online) ISSN: 1863–2246 (Print) 1863–2351 (Online).
@incollection{13geoadvances,
	address = {Johor Bahru, Malaysia},
	author = {Ken {Arroyo Ohori} and Pawel Boguslawski and Hugo Ledoux},
	booktitle = {Developments in Multidimensional Spatial Data Models},
	editor = {Abdul Rahman, A. and Boguslawski, P. and Gold, C. and Said, M.N.},
	month = {may},
	note = {ISBN: 978--3--642--36378--8 (Print) 978--3--642--36379--5 (Online) ISSN: 1863--2246 (Print) 1863--2351 (Online)},
	pages = {17--31},
	publisher = {Springer Berlin Heidelberg},
	series = {Lecture Notes in Geoinformation and Cartography},
	title = {Representing the dual of objects in a four-dimensional {GIS}},
	year = {2013}
}
Manipulating higher dimensional spatial information. Ken Arroyo Ohori, Filip Biljecki, Jantien Stoter and Hugo Ledoux. In Danny Vandenbroucke, Bénédicte Bucher and Joep Crompvoets (eds.), Geographic Information Science at the Heart of Europe. Proceedings of the 16th AGILE International Conference on Geographic Information Science, Leuven, Belgium, May 2013.
@inproceedings{13agile,
	address = {Leuven, Belgium},
	author = {Ken {Arroyo Ohori} and Filip Biljecki and Jantien Stoter and Hugo Ledoux},
	booktitle = {Geographic Information Science at the Heart of Europe. Proceedings of the 16th AGILE International Conference on Geographic Information Science},
	editor = {Danny Vandenbroucke and B\'en\'edicte Bucher and Joep Crompvoets},
	month = {may},
	title = {Manipulating higher dimensional spatial information},
	year = {2013}
}

2012

Validation and automatic repair of planar partitions using a constrained triangulation. Ken Arroyo Ohori, Hugo Ledoux and Martijn Meijers. Photogrammetrie, Fernerkundung, Geoinformation 5, October 2012, pp. 613–630. ISSN: 1432–8364.
@article{12pfg,
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Martijn Meijers},
	journal = {Photogrammetrie, Fernerkundung, Geoinformation},
	month = {oct},
	note = {ISSN: 1432--8364},
	pages = {613--630},
	title = {Validation and Automatic Repair of Planar Partitions Using a Constrained Triangulation},
	volume = {5},
	year = {2012}
}
Automatically repairing polygons and planar partitions with prepair and pprepair. Ken Arroyo Ohori, Hugo Ledoux and Martijn Meijers. Proceedings of the 4th Open Source GIS UK Conference, Nottingham, United Kingdom, September 2012. Best paper/presentation award.
@inproceedings{12osgis,
	address = {Nottingham, United Kingdom},
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Martijn Meijers},
	booktitle = {Proceedings of the 4th Open Source GIS UK Conference},
	month = {sep},
	title = {Automatically repairing polygons and planar partitions with prepair and pprepair},
	year = {2012}
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Integrating scale and space in 3D city models. Jantien Stoter, Hugo Ledoux, Martijn Meijers and Ken Arroyo Ohori. In Jacynthe Pouliot, Sylvie Daniel, Frédéric Hubert and Alborz Zamyadi (eds.), Proceedings of the 7th International 3D GeoInfo Conference, International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XXXVIII-4/C26, ISPRS, Québec City, Canada, May 2012, pp. 7–10.
@incollection{123dgeoinfo,
	address = {Qu\'ebec City, Canada},
	author = {Jantien Stoter and Hugo Ledoux and Martijn Meijers and Ken {Arroyo Ohori}},
	booktitle = {Proceedings of the 7th International 3D GeoInfo Conference},
	editor = {Jacynthe Pouliot and Sylvie Daniel and Fr{\'e}d{\'e}ric Hubert and Alborz Zamyadi},
	month = {may},
	pages = {7--10},
	publisher = {ISPRS},
	series = {International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	title = {Integrating Scale and Space in {3D} City Models},
	volume = {XXXVIII-4/C26},
	year = {2012}
}
Automatically repairing invalid polygons with a constrained triangulation. Hugo Ledoux, Ken Arroyo Ohori and Martijn Meijers. In Jérôme Gensel, Didier Josselin and Danny Vandenbroucke (eds.), Multidisciplinary Research on Geographical Information in Europe and Beyond. Proceedings of the 15th AGILE International Conference on Geographic Information Science, Avignon, France, April 2012, pp. 13–18.
@inproceedings{12agile,
	address = {Avignon, France},
	author = {Hugo Ledoux and Ken {Arroyo Ohori} and Martijn Meijers},
	booktitle = {Multidisciplinary Research on Geographical Information in Europe and Beyond. Proceedings of the 15th AGILE International Conference on Geographic Information Science},
	editor = {J\'er\^ome Gensel and Didier Josselin and Danny Vandenbroucke},
	month = {apr},
	pages = {13--18},
	title = {Automatically repairing invalid polygons with a constrained triangulation},
	year = {2012}
}

2011

Edge-matching polygons with a constrained triangulation. Hugo Ledoux and Ken Arroyo Ohori. Proceedings of GIS Ostrava 2011, Ostrava, Czech Republic, January 2011, pp. 377–390. ISBN: 978–80–248–2366–9 ISSN: 1213–239X.
@inproceedings{11ostrava,
	address = {Ostrava, Czech Republic},
	author = {Ledoux, Hugo and Arroyo Ohori, Ken},
	booktitle = {Proceedings of GIS Ostrava 2011},
	month = {jan},
	note = {ISBN: 978--80--248--2366--9 ISSN: 1213--239X},
	pages = {377--390},
	title = {Edge-matching polygons with a constrained triangulation},
	year = {2011}
}

Theses

PhD

Higher-dimensional modelling of geographic information. Ken Arroyo Ohori. PhD thesis, Delft University of Technology, April 2016. ISBN: 978-1-326-59638-5.
@phdthesis{16phdthesis,
	author = {Ken {Arroyo Ohori}},
	month = {apr},
	note = {ISBN: 978-1-326-59638-5},
	school = {Delft University of Technology},
	title = {Higher-dimensional modelling of geographic information},
	year = {2016}
}

MSc

Validation and automatic repair of planar partitions using a constrained triangulation. Ken Arroyo Ohori. Master's thesis, Delft University of Technology, August 2010. ISBN: 978-94-6186-034-7.
@mastersthesis{10mscthesis,
	author = {Ken {Arroyo Ohori}},
	month = {aug},
	note = {ISBN: 978-94-6186-034-7},
	school = {Delft University of Technology},
	title = {Validation and automatic repair of planar partitions using a constrained triangulation},
	year = {2010}
}

Other

2018

Geo-BIM data integration: easier said than done?. Jantien Stoter, Ken Arroyo Ohori and Hugo Ledoux. Geospatial World, November 2018, pp. 35–38. ISSN: 2277–3134.
@article{18geospatialworld,
	author = {Jantien Stoter and Ken {Arroyo Ohori} and Hugo Ledoux},
	journal = {Geospatial World},
	month = {nov},
	note = {ISSN: 2277--3134},
	pages = {35--38},
	title = {{Geo-BIM} data integration: Easier said than done?},
	year = {2018}
}
Preface. Ken Arroyo Ohori, Anna Labetski, Giorgio Agugiaro, Mila Koeva and Jantien Stoter. In Ken Arroyo Ohori, Anna Labetski, Giorgio Agugiaro, Mila Koeva and Jantien Stoter (eds.), 13th 3D GeoInfo Conference 2018, ISPRS Archives XLII-4(W10), ISPRS, Delft, The Netherlands, October 2018, pp. 1–1.
@incollection{183dgeoinfoarchivespreface,
	address = {Delft, The Netherlands},
	author = {Ken {Arroyo Ohori} and Anna Labetski and Giorgio Agugiaro and Mila Koeva and Jantien Stoter},
	booktitle = {13th 3D GeoInfo Conference 2018},
	editor = {Ken {Arroyo Ohori} and Anna Labetski and Giorgio Agugiaro and Mila Koeva and Jantien Stoter},
	month = {oct},
	number = {W10},
	pages = {1--1},
	publisher = {ISPRS},
	series = {ISPRS Archives},
	title = {Preface},
	volume = {XLII-4},
	year = {2018}
}
13th 3D geoinfo conference 2018. Ken Arroyo Ohori, Anna Labetski, Giorgio Agugiaro, Mila Koeva and Jantien Stoter. ISPRS, Delft, The Netherlands, October 2018. The proceedings of the conference containing full papers and extended abstracts as published in ISPRS Archives Volume XLII-4/W10.
@proceedings{183dgeoinfoarchives,
	address = {Delft, The Netherlands},
	editor = {Ken {Arroyo Ohori} and Anna Labetski and Giorgio Agugiaro and Mila Koeva and Jantien Stoter},
	month = {oct},
	number = {W10},
	publisher = {ISPRS},
	title = {13th {3D} GeoInfo Conference 2018},
	volume = {XLII-4},
	year = {2018}
}
Preface. Ken Arroyo Ohori, Anna Labetski, Giorgio Agugiaro, Mila Koeva and Jantien Stoter. In Ken Arroyo Ohori, Anna Labetski, Giorgio Agugiaro, Mila Koeva and Jantien Stoter (eds.), 13th 3D GeoInfo Conference 2018, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences IV-4(W6), ISPRS, Delft, The Netherlands, October 2018, pp. 1–1.
@incollection{183dgeoinfoannalspreface,
	address = {Delft, The Netherlands},
	author = {Ken {Arroyo Ohori} and Anna Labetski and Giorgio Agugiaro and Mila Koeva and Jantien Stoter},
	booktitle = {13th 3D GeoInfo Conference 2018},
	editor = {Ken {Arroyo Ohori} and Anna Labetski and Giorgio Agugiaro and Mila Koeva and Jantien Stoter},
	month = {oct},
	number = {W6},
	pages = {1--1},
	publisher = {ISPRS},
	series = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
	title = {Preface},
	volume = {IV-4},
	year = {2018}
}
13th 3D geoinfo conference 2018. Ken Arroyo Ohori, Anna Labetski, Giorgio Agugiaro, Mila Koeva and Jantien Stoter. ISPRS, Delft, The Netherlands, October 2018. The proceedings of the conference containing the best full papers as published in ISPRS Annals Volume IV-4/W6.
@proceedings{183dgeoinfoannals,
	address = {Delft, The Netherlands},
	editor = {Ken {Arroyo Ohori} and Anna Labetski and Giorgio Agugiaro and Mila Koeva and Jantien Stoter},
	month = {oct},
	number = {W6},
	publisher = {ISPRS},
	title = {13th {3D} GeoInfo Conference 2018},
	volume = {IV-4},
	year = {2018}
}
Integratie BIM- en GIS-data: makkelijker gezegd dan gedaan?. Abdoulaye Diakité, Thomas Krijnen, Hugo Ledoux, Ken Arroyo Ohori, Friso Penninga and Jantien Stoter. GIS magazine 3, April 2018, pp. 21–25.
@article{18gis,
	author = {Abdoulaye Diakit\'e and Thomas Krijnen and Hugo Ledoux and Ken {Arroyo Ohori} and Friso Penninga and Jantien Stoter},
	journal = {GIS magazine},
	month = {apr},
	pages = {21--25},
	title = {Integratie {BIM}- en {GIS}-data: Makkelijker gezegd dan gedaan?},
	volume = {3},
	year = {2018}
}
GeoBIM project: final report. Ken Arroyo Ohori, Thomas Krijnen, Abdoulaye Diakité, Hugo Ledoux and Jantien Stoter. Technical report, Delft University of Technology and Eindhoven University of Technology, January 2018.
@techreport{18geobim,
	author = {Ken {Arroyo Ohori} and Thomas Krijnen and Abdoulaye Diakit\'e and Hugo Ledoux and Jantien Stoter},
	institution = {Delft University of Technology and Eindhoven University of Technology},
	month = {jan},
	title = {{GeoBIM} project: Final report},
	year = {2018}
}

2017

4D visualisation and GIS-BIM integration. Ken Arroyo Ohori. 3D talk, May 2017.
@unpublished{173dtalk,
	address = {Delft, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	month = {may},
	note = {3D talk},
	title = {{4D} visualisation and {GIS}-{BIM} integration},
	year = {2017}
}

2016

What is a valid nD GIS object? extending the validity notions embedded in the geoinformation standards for 2D and 3D. Ken Arroyo Ohori, Hugo Ledoux and Jantien Stoter. Paper accepted at GeoAdvances 2016: ISPRS Workshop on Multi-dimensional & Multi-scale Spatial Data Modeling, later withdrawn due to illness, October 2016.
@unpublished{16isprs,
	address = {Istanbul, Turkey},
	author = {Ken {Arroyo Ohori} and Hugo Ledoux and Jantien Stoter},
	month = {oct},
	note = {Paper accepted at GeoAdvances 2016: ISPRS Workshop on Multi-dimensional \& Multi-scale Spatial Data Modeling, later withdrawn due to illness},
	title = {What is a valid {nD} {GIS} object? Extending the validity notions embedded in the geoinformation standards for {2D} and {3D}},
	year = {2016}
}

2015

Constructing an nD topological representation from a soup of (n-1)D faces. Ken Arroyo Ohori. Presentation at the 10th Dutch Computational Geometry Day, November 2015.
@unpublished{15dcgd,
	address = {Utrecht, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	month = {nov},
	note = {Presentation at the 10th Dutch Computational Geometry Day},
	title = {Constructing an {nD} topological representation from a soup of {(n-1)D} faces},
	year = {2015}
}

2014

Incremental construction of nD objects. Ken Arroyo Ohori. Presentation at the 5D Workshop, GeoBuzz, November 2014.
@unpublished{14geobuzz,
	address = {'s-Hertogenbosch, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	month = {nov},
	note = {Presentation at the 5D Workshop, GeoBuzz},
	title = {Incremental construction of {nD} objects},
	year = {2014}
}
How to build an n-dimensional object?. Ken Arroyo Ohori. Presentation at the Capita Selecta lecture ABE010: Discipline-Related Skills for ABE — Geoinformation Technology and Governance, November 2014.
@unpublished{14capitaselecta,
	address = {Delft, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	month = {nov},
	note = {Presentation at the Capita Selecta lecture ABE010: Discipline-Related Skills for ABE --- Geoinformation Technology and Governance},
	title = {How to build an n-dimensional object?},
	year = {2014}
}
Higher-dimensional spatial information. Ken Arroyo Ohori. Poster presentation at the Lorentz Centre workshop Geometric Algorithms in the Field, June 2014.
@unpublished{14lorentz,
	address = {Leiden, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	month = {jun},
	note = {Poster presentation at the Lorentz Centre workshop Geometric Algorithms in the Field},
	title = {Higher-dimensional spatial information},
	year = {2014}
}

2013

Validation and automatic repair of two- and three-dimensional GIS datasets. Martijn Meijers, Hugo Ledoux, Ken Arroyo Ohori and Junqiao Zhao. Presentation at the OSGeo.nl dag 2013, November 2013.
@unpublished{13osgeonl,
	address = {Delft, The Netherlands},
	author = {Martijn Meijers and Hugo Ledoux and Ken {Arroyo Ohori} and Junqiao Zhao},
	month = {nov},
	note = {Presentation at the OSGeo.nl dag 2013},
	title = {Validation and automatic repair of two- and three-dimensional {GIS} datasets},
	year = {2013}
}
Extrusion of nD objects using generalised maps. Ken Arroyo Ohori. Presentation at the 9th Dutch Computational Geometry Day, October 2013.
@unpublished{13dcgd,
	address = {Eindhoven, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	month = {oct},
	note = {Presentation at the 9th Dutch Computational Geometry Day},
	title = {Extrusion of {nD} objects using generalised maps},
	year = {2013}
}

2012

Developing 5D spatial models for GIS. Ken Arroyo Ohori. GIN Symposium, Apeldoorn, The Netherlands, November 2012.
@inproceedings{12gin,
	address = {Apeldoorn, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	booktitle = {GIN Symposium},
	month = {nov},
	title = {Developing {5D} spatial models for {GIS}},
	year = {2012}
}
Een landsdekkende BGT, zonder gaten en overlap. Ken Arroyo Ohori, Hugo Ledoux, Martijn Meijers and Jantien Stoter. Geo-Info 9(8), October 2012, pp. 4–8. ISSN: 1572-5464 (print) 2211-0739 (online).
@article{12geoinfo,
	author = {Arroyo Ohori, Ken and Ledoux, Hugo and Meijers, Martijn and Stoter, Jantien},
	journal = {Geo-Info},
	month = {oct},
	note = {ISSN: 1572-5464 (print) 2211-0739 (online)},
	number = {8},
	pages = {4--8},
	title = {Een landsdekkende {BGT}, zonder gaten en overlap},
	volume = {9},
	year = {2012}
}
5D modeling - applications and advantages. Jantien Stoter, Hugo Ledoux, Martijn Meijers, Ken Arroyo Ohori and Peter van Oosterom. Geospatial World Forum 2012, Amsterdam, The Netherlands, April 2012.
@inproceedings{12gwf,
	address = {Amsterdam, The Netherlands},
	author = {Stoter, Jantien and Ledoux, Hugo and Meijers, Martijn and Arroyo Ohori, Ken and van Oosterom, Peter},
	booktitle = {Geospatial World Forum 2012},
	month = {apr},
	title = {{5D} Modeling - applications and advantages},
	year = {2012}
}
Higher dimensional object modelling in GIS using G-maps. Ken Arroyo Ohori. Presentation at the 8th Dutch Computational Geometry Day, January 2012.
@unpublished{12dcgd,
	address = {Utrecht, The Netherlands},
	author = {Ken {Arroyo Ohori}},
	month = {jan},
	note = {Presentation at the 8th Dutch Computational Geometry Day},
	title = {Higher dimensional object modelling in {GIS} using {G-maps}},
	year = {2012}
}

2011

Realising the foundations of a higher dimensional GIS: a study of higher dimensional spatial data models, data structures and operations. Ken Arroyo Ohori. PhD Proposal 57, OTB Research Institute for the Built Environment, Delft University of Technology, December 2011. ISBN: 978-90-77029-29-9 ISSN: 1560-0245.
@techreport{11phdproposal,
	author = {Ken {Arroyo Ohori}},
	institution = {OTB Research Institute for the Built Environment, Delft University of Technology},
	month = {dec},
	note = {ISBN: 978-90-77029-29-9 ISSN: 1560-0245},
	number = {57},
	title = {Realising the Foundations of a Higher Dimensional {GIS}: A Study of Higher Dimensional Spatial Data Models, Data Structures and Operations},
	type = {PhD Proposal},
	year = {2011}
}
5D data modelling: integration of 3D space, time and scale. Ken Arroyo Ohori. Poster presentation at the MADALGO Summer School on High-Dimensional Geometric Computing, August 2011.
@unpublished{11madalgo,
	address = {Aarhus, Denmark},
	author = {Ken {Arroyo Ohori}},
	month = {aug},
	note = {Poster presentation at the {MADALGO} Summer School on High-Dimensional Geometric Computing},
	title = {{5D} data modelling: Integration of {3D} space, time and scale},
	year = {2011}
}

Supervised theses

2018

Simplification & visualization of BIM models through Hololens. Panagiotis Karydakis. Master's thesis, Delft University of Technology, October 2018.
@mastersthesis{18panos,
	author = {Panagiotis Karydakis},
	month = {oct},
	school = {Delft University of Technology},
	title = {Simplification \& visualization of {BIM} models through {H}ololens},
	year = {2018}
}

2013

Automatic enhancement of CityGML LoD2 models with interiors and its usability for net internal area determination. Roeland Boeters. Master's thesis, Delft University of Technology, June 2013.
@mastersthesis{13roeland,
	author = {Roeland Boeters},
	month = {jun},
	school = {Delft University of Technology},
	title = {Automatic enhancement of {CityGML} {LoD2} models with interiors and its usability for net internal area determination},
	year = {2013}
}