Sciweavers

466 search results - page 30 / 94
» Using Orientation Information for Qualitative Spatial Reason...
Sort
View
GIS
1998
ACM
15 years 1 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...
RSFDGRC
2005
Springer
127views Data Mining» more  RSFDGRC 2005»
15 years 7 months ago
Hierarchical Information Maps
We discuss the problems of spatio-temporal reasoning in the context of hierarchical information maps and approximate reasoning networks (AR networks). Hierarchical information maps...
Andrzej Skowron, Piotr Synak
GIS
2007
ACM
16 years 3 months ago
Spatial and temporal analysis of pedestrian egress behavior and efficiency
This research reports on exploring analytical methodologies for spatio-temporal data of pedestrian egress dynamics in a crowded environment. The research objective is to spatially...
Atsushi Nara, Paul M. Torrens
EMISA
2004
Springer
15 years 7 months ago
A Deontic Logic for Group-Oriented Web Information Systems
Abstract: Group-oriented web information systems (GWISs) are web-based dataintensive systems that are used by a group of people in order to fulfill common tasks. In particular, th...
Klaus-Dieter Schewe, Bernhard Thalheim, Roland Kas...
ICRA
2007
IEEE
140views Robotics» more  ICRA 2007»
15 years 8 months ago
Landing Site Selection using Fuzzy Rule-Based Reasoning
— In this paper, multiple on-board sensors are used to assess the terrain safety in real-time during spacecraft descent. A linguistic, fuzzy rule-based reasoning engine is used t...
Navid Serrano, Homayoun Seraji