Sciweavers

GIS
2002
ACM
13 years 11 months ago
Characterisation and generalisation of cartographic lines using Delaunay triangulation
A method is presented for generalising cartographic lines using an approach based on determination of their structure. Constrained Delaunay triangulation is used to construct a ske...
P. M. van der Poorten, Christopher B. Jones
GIS
2002
ACM
13 years 11 months ago
Search algorithms for multiway spatial joins
This papers deals with multiway spatial joins when (i) there is limited time for query processing and the goal is to retrieve the best possible solutions within this limit (ii) the...
Dimitris Papadias, Dinos Arkoumanis
GIS
2002
ACM
13 years 11 months ago
Calibration of stochastic cellular automata: the application to rural-urban land conversions
Despite the recognition of cellular automata (CA) as a exible and powerful tool for urban growth simulation, the calibration of CA had been largely heuristic until recent eVorts to...
Fulong Wu
GIS
2002
ACM
13 years 11 months ago
Generic query tool for spatio-temporal data
Geographical information systems are more and more based on a DBMS with spatial extensions, which is also the case for the system described in this paper. The design and implementa...
Peter van Oosterom, Bart Maessen, Wilko Quak
GIS
2002
ACM
13 years 11 months ago
Data-gathering strategies for social-behavioural research about participatory geographical information system use
Studies about geographical information systems (GIS) use contribute to geographic information science through critical evaluation of the concepts embedded in GIS tools. Social-beha...
Timothy L. Nyerges, Piotr Jankowski, Christina H. ...
GIS
2002
ACM
13 years 11 months ago
Effects of spatial aggregation approaches on classified satellite imagery
Hong S. He, Stephen J. Ventura, David J. Mladenoff
GIS
2002
ACM
13 years 11 months ago
Mapping Dilution of Precision (MDOP) and map-matched GPS
A novel method of map matching using the Global Positioning System (GPS) has been developed which uses digital mapping and height data to augment point position computation. This m...
Geoffrey Blewitt, George E. Taylor
GIS
2002
ACM
13 years 11 months ago
Towards an evaluation of quality for names placement methods
The cartographic labeling problem is the problem of placing text on a map. This includes the positioning of the labels, and determining the shape in the case of line and area feat...
Steven van Dijk, Marc J. van Kreveld, Tycho Strijk...