Results 21 to 30 of about 20,029 (299)
Area and shape distortions in open-source discrete global grid systems
Big Earth Data, 2022 A Discrete Global Grid System (DGGS) is a type of spatial reference system that tessellates the globe into many individual, evenly spaced, and well-aligned cells to encode location and, thus, can serve as a basis for data cube construction.
Alexander Kmoch +3 more
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International Journal of Digital Earth, 2020 This paper proposes a novel data indexing scheme, the distributed access pattern R-tree (DAPR-tree), for spatial data retrieval in a distributed computing environment.
Jizhe Xia +6 more
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Spatial Ambiguities Optimization in GIR [PDF]
EAI Endorsed Transactions on Scalable Information Systems, 2020 INTRODUCTION: Huge amount of geographically referenced information is available on World Wide Web and has become an excellent source for retrieval of desired information.
Arun Yadav, Jay Yadav, Divakar Yadav
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Lattice Quad-Tree Indexing Algorithm for a Hexagonal Discrete Global Grid System
ISPRS International Journal of Geo-Information, 2020 Hexagonal discrete global grid systems are the preferred data models supporting multisource geospatial information fusion. Related research has aroused widespread concern in the academic community, and hierarchical indexing algorithms are one of the main
Jianbin Zhou +4 more
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LARGE VECTOR SPATIAL DATA STORAGE AND QUERY PROCESSING USING CLICKHOUSE [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023 The exponential growth of geospatial data resulting from the development of earth observation technology has created significant challenges for traditional relational databases.
S. Chen +7 more
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Remote Sensing, 2013 An approach based on the improved quadtree structure and region adjacency graph for the segmentation of a high-resolution remote sensing image is proposed in this paper. In order to obtain the initial segmentation results of the image, the image is first
Limei Shi +3 more
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The spirit spatial search engine: Architecture, ontologies and spatial indexing [PDF]
, 2004 . The SPIRIT search engine provides a test bed for the development of web search technology that is specialised for access to geographical information.
Alia I. Abdelmoty +9 more
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A Resilient Large-Scale Trajectory Index for Cloud-Based Moving Object Applications
Applied Sciences, 2020 The availability of location-aware devices generates tremendous volumes of moving object trajectories. The processing of these large-scale trajectories requires innovative techniques that are capable of adapting to changes in cloud systems to satisfy a ...
Omar Alqahtani, Tom Altman
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International Journal of Digital Earth, 2021 Metadata information and catalogue services are major ways of making satellite images findable and accessible. Spatio-temporal indexing is the key to ensuring efficient searches.
Yuqi Bai, Meng Jin
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An Efficient Partitioning Technique in SpatialHadoop [PDF]
International Journal of Intelligent Computing and Information Sciences, 2018 SpatialHadoop is a Hadoop framework supporting spatial information handling in light of MapReduce programming worldview. A huge number of studies leads to that SpatialHadoop outperforms the traditional Hadoop in both overseeing and handling spatial data ...
Ahmed Aboul-fotouh +3 more
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