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GIS
1998
ACM
13 years 7 months ago
Natural-Language Spatial Relations Between Linear and Areal Objects: The Topology and Metric of English-Language Terms
Spatial relations are the basis for many selections users perform when they query geographic information systems (GISs). Although such query languages use natural-language-like te...
A. Rashid B. M. Shariff, Max J. Egenhofer, David M...
GIS
1998
ACM
13 years 11 months ago
Greedy Cuts: An Advancing Front Terrain Triangulation Algorithm
We apply an advancing front technique to the problem of simplification of dense digitized terrain models. While most simplification algorithms have been based on either incrementa...
Cláudio T. Silva, Joseph S. B. Mitchell
SOCO
1998
Springer
13 years 7 months ago
Approximate analysis of binary topological relations between geographic regions with indeterminate boundaries
The development of formal models of spatial relations is a topic of great importance in spatial reasoning, geographic information systems (GIS) and computer vision, and has gained ...
F. Benjamin Zhan
ICDE
1998
IEEE
180views Database» more  ICDE 1998»
14 years 8 months ago
The Alps at Your Fingertips: Virtual Reality and Geoinformation Systems
We advocate a desktop virtual reality (VR) interface to a geographic information system (GIS). The navigational capability to explore large topographic scenes is a powerful metaph...
Renato Pajarola, Thomas Ohler, Peter Stucki, Korne...
IPL
2007
80views more  IPL 2007»
13 years 7 months ago
Execution time analysis of a top-down R-tree construction algorithm
A detailed CPU execution-time analysis and implementation are given for a bulk loading algorithm to construct R-trees due to García et al. [Y.J. García, M.A. López, S.T. Leuten...
Houman Alborzi, Hanan Samet