C.W. Quak
Delft University of Technology
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Featured researches published by C.W. Quak.
Lecture Notes in Geoinformaton and Cartography | 2008
J.E. Stoter; Javier Morales; Rob Lemmens; B.M. Meijers; P.J.M. van Oosterom; C.W. Quak; H.T. Uitermark; L. van den Brink
The lack of fully automated generalisation forces National Mapping Agencies to maintain topographical data sets at different map scales. For consistency between map scales, but also for supporting (future) automated generalisation processes, information on similarities and differences of the separate data sets should be identified and formalised. This includes information on valid data content at the different scales (‘scale state’), but as important is the semantics of multi-scale and generalisation aspects (‘scale event’). As ‘scale state’ and ‘scale event’ are strongly related (‘different sides of the same coin’) it is important to integrate these in a single model. This paper presents a semantically-rich data model for an integrated topographical database, facilitating (semi-)automated generalisation. UML (including OCL) is used to formalise the model. The scope of the model is outlined and the model is presented based on an analysis of several alternatives for modelling multi-scale and generalisation aspects. The model is evaluated by instantiating the model and applying it to test data.
International Archives of Photogrammetry and Remote Sensing Vol. XXXIII, XIXth Congress ISPRS, Amsterdam, 2000 | 2000
P.J.M. van Oosterom; B. Maessen; C.W. Quak
Proceedings of UDMS '02, 23rd Urban Data Management Symposium, Prague | 2002
P.J.M. van Oosterom; C.W. Quak; T.P.M. Tijssen
GISt Report No. 7, Delft, 2001, 125 p. | 2001
T.P.M. Tijssen; C.W. Quak; P.J.M. Van Oosterom
ISPRS joint workshop on 'Spatial, temporal and multi-dimensional data modelling and analysis', Québec, October, 2003 | 2003
P.J.M. Van Oosterom; C.W. Quak; Tijssen T.P.M
Archive | 2010
Filip Biljecki; C.W. Quak; Hugo Ledoux; P.J.M. Van Oosterom
GISt Report No. 9, Delft, 2001, 132 p. | 2001
M.E. De Vries; T.P.M. Tijssen; J.E. Stoter; C.W. Quak; P.J.M. van Oosterom
Proceedings 9th International Symposium on Spatial Data Handling 2000, Beijing; Studygroup on Information Science of the ICA, Bejing, 2000 | 2000
P.J.M. van Oosterom; B. Maessen; C.W. Quak
Proceedings of UDMS 2000, 22nd Urban Data Management Symposium, Delft, September 11-15, 2000 | 2000
P.J.M. van Oosterom; C.W. Quak; T.P.M. Tijssen; E. Verbree
GISt Report No. 12, Delft, 2002, 148 p. | 2002
M.E. De Vries; T.P.M. Tijssen; J.E. Stoter; C.W. Quak; P.J.M. van Oosterom