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» Algorithms for Querying by Spatial Structure
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DEXA
2006
Springer
151views Database» more  DEXA 2006»
14 years 9 hour ago
An Incremental Refining Spatial Join Algorithm for Estimating Query Results in GIS
Geographic information systems (GIS) must support large georeferenced data sets. Due to the size of these data sets finding exact answers to spatial queries can be very time consum...
Wan D. Bae, Shayma Alkobaisi, Scott T. Leutenegger
GIS
2008
ACM
14 years 11 months ago
Efficient data modeling and querying system for multi-dimensional spatial data
Multi-dimensional spatial data are obtained when a number of data acquisition devices are deployed at different locations to measure a certain set of attributes of the study subje...
Wei Li, Cindy X. Chen
IV
2007
IEEE
366views Visualization» more  IV 2007»
14 years 4 months ago
Algorithm Visualization in Teaching Spatial Data Algorithms
Algorithm visualization is a widely–used tool for teaching data structures and algorithms. Spatial data algorithms are algorithms that are designed to process multidimensional d...
Jussi Nikander, Juha Helminen
COSIT
1997
Springer
143views GIS» more  COSIT 1997»
14 years 2 months ago
Using Hierarchical Spatial Data Structures for Hierarchical Spatial Reasoning
This paper gives a definition of Hierarchical Spatial Reasoning, which computes increasingly better results in a hierarchical fashion and stops the computation when a result is ac...
Sabine Timpf, Andrew U. Frank
ADBIS
1994
Springer
87views Database» more  ADBIS 1994»
14 years 2 months ago
Variations of R-Tree Structure for Indexing of Spatial Objects
The data structures suitable for indexing of large spatial objects in databases are considered. Some generalizations of existing tree methods concerned approximation of spatial ob...
M. G. Martynov