Results 281 to 290 of about 12,108,065 (316)

On R-Trees with Low Stabbing Number

2000
The R-tree is a well-known bounding-volume hierarchy that is suitable for storing geometric data on secondary memory. Unfortunately, no good analysis of its query time exists. We describe a new algorithm to construct an R-tree for a set of planar objects that has provably good query complexity for point location queries and range queries with ranges of
Berg, de, M., Gudmundsson, J., Hammar, M., Overmars, M.H.   +3 more
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R-trees

ACM SIGMOD Record, 1984
In order to handle spatial data efficiently, as required in computer aided design and geo-data applications, a database system needs an index mechanism that will help it retrieve data items quickly according to their spatial locations However, traditional indexing methods are not well suited to data objects of non-zero size located m multi-dimensional ...
openaire   +1 more source

Revisiting R-Tree Construction Principles

2002
Spatial indexing is a well researched field that benefited computer science with many outstanding results. Our effort in this paper can be seen as revisiting some outstanding contributions to spatial indexing, questioning some paradigms, and designing an access method with globally improved performance characteristics.
Sotiris Brakatsoulas, Dieter Pfoser, Yannis Theodoridis   +2 more
openaire   +2 more sources

A performance comparison among the traditional R-trees, the hilbert R-tree and the SR-tree

23rd International Conference of the Chilean Computer Science Society, 2003. SCCC 2003. Proceedings., 2004
This work investigates the performance of several spatial access methods with respect to the distribution of the indexed spatial objects. Although having gathered storage and insertion costs as well this work focuses on some issues regarding query costs. The performance results have showed that the R/sup +/-tree was the best spatial index structure for
Ricardo Rodrigues Ciferri, Ana Carolina Salgado, Valéria Cesário Times, Mario A. Nascimento, Geovane Cayres Magalhães   +4 more
openaire   +1 more source

Merging R-trees

Proceedings. 16th International Conference on Scientific and Statistical Database Management, 2004., 2004
Vasilis Vasaitis, Alexandros Nanopoulos, Panayiotis Bozanis   +2 more
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Joint effects of climate, tree size, and year on annual tree growth derived from tree‐ring records of ten globally distributed forests

Global Change Biology, 2022
Kristina J Anderson-Teixeira, Valentine Herrmann, Christine R Rollinson   +2 more
exaly  

R*-Tree

2008
Hans-Peter Kriegel, Peter Kunath, Matthias Renz   +2 more
openaire   +2 more sources

Individual tree segmentation and tree species classification in subtropical broadleaf forests using UAV-based LiDAR, hyperspectral, and ultrahigh-resolution RGB data

Remote Sensing of Environment, 2022
Haiming Qin, Weiqi Zhou
exaly  

Higher tree diversity is linked to higher tree mortality

Proceedings of the National Academy of Sciences of the United States of America, 2022
Eric B Searle, Han Y H Chen, Alain Paquette   +2 more
exaly  

Bitmap R-trees.

Informatica (Slovenia), 2000
Informatica (Ljubljana) ; 24 ; 2 ; 205-209 ...
Ang, C.H., Tan, S.T., Tan, T.C.
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