Sciweavers

GIS
2006
ACM
13 years 4 months ago
Dynamic simplification and visualization of large maps
In this paper, we present an algorithm that performs simplification of large geographical maps through a novel use of graphics hardware. Given a map as a collection of non-interse...
Nabil H. Mustafa, Shankar Krishnan, Gokul Varadhan...
GIS
2006
ACM
13 years 4 months ago
Swarming methods for geospatial reasoning
Geospatial data is often used to predict or recommend movements of robots, people, or animals ("walkers"). Analysis of such systems can be combinatorially explosive. Eac...
H. Van Dyke Parunak, Sven Brueckner, Robert S. Mat...
GIS
2006
ACM
13 years 4 months ago
Reactions to geovisualization: an experience from a European project
The paper is written jointly by two parties, computer scientists specializing in geovisualization and experts in forestry, who cooperated within a joint project. The authors tell ...
Gennady L. Andrienko, Natalia V. Andrienko, Richar...
GIS
2006
ACM
13 years 4 months ago
Efficient integration of road maps
Integration of two road maps is finding a matching between pairs of objects that represent, in the maps, the same realworld road. Several algorithms were proposed in the past for ...
Eliyahu Safra, Yaron Kanza, Yehoshua Sagiv, Yerach...
GIS
2006
ACM
13 years 4 months ago
Qualitative polyline similarity testing with applications to query-by-sketch, indexing and classification
We present an algorithm for polyline (and polygon) similarity testing that is based on the double-cross formalism. To determine the degree of similarity between two polylines, the...
Bart Kuijpers, Bart Moelans, Nico Van de Weghe
GIS
2006
ACM
13 years 4 months ago
A peer-to-peer spatial cloaking algorithm for anonymous location-based service
This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desir...
Chi-Yin Chow, Mohamed F. Mokbel, Xuan Liu
GIS
2006
ACM
13 years 4 months ago
B-Spline curve smoothing under position constraints for line generalisation
Currently, most of the operations performed for the construction of marine charts are still done manually. However, with the development of more and more powerful techniques, new ...
Eric Guilbert, Hui Lin 0002