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Weichen Peng, Luo Chen, Xue Ouyang and Wei Xiong
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Jiahao Li, Weiwei Song, Jianglong Chen, Qunlan Wei and Jinxia Wang
Yunnan Province, residing in the eastern segment of the Qinghai?Tibet Plateau and the western part of the Yunnan?Guizhou Plateau, faces significant challenges due to its intricate geological structures and frequent geohazards. These pose monumental risks...
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Chengpeng Li, Xi Kuai, Biao He, Zhigang Zhao, Haojia Lin, Wei Zhu, Yu Liu and Renzhong Guo
(1) Background: The smart city management system, with GIS technology as its core, is based on realistic visualization of multiple types of 3D model data syntheses. However, the efficiency barriers to achieving smooth and continuous visualization from ou...
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Junjun He and Huahui Chen
An LSM-tree (log-structured merge-tree) is a hierarchical, orderly and disk-oriented data storage structure which makes full use of the characteristics of disk sequential writing, which are much better than those of random writing. However, an LSM-tree c...
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Andrey O. Trubakov,Evgeniy O. Trubakov
Pág. 19 - 25
Indexing multidimensional or multi-attribute data is an important problem today. Data volumes are growing very fast and it is necessary to use specialized structures and algorithms to index them. However, in the field of research of algorithms for workin...
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Yunong Zhang, Anmin Zhang, Miao Gao and Yi Liang
The three-dimensional (3D) visualization of the electronic navigation chart (ENC) can reflect the marine environment and various marine features truly, accurately, and directly, to reduce misoperation during chart use and improve the convenience of using...
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Aopeng Xu, Zhiyuan Zhang, Xiaqing Ma, Zixiang Zhang and Tao Xu
As a basic method of spatial data operation, spatial keyword query can provide meaningful information to meet user demands by searching spatial textual datasets. How to accurately understand users? intentions and efficiently retrieve results from spatial...
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Imene Bareche and Ying Xia
The magnitude of highly dynamic spatial data is expanding rapidly due to the instantaneous evolution of mobile technology, resulting in challenges for continuous queries. We propose a novel indexing approach model, namely, the Velocity SpatioTemporal ind...
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Jieqing Yu, Yi Wei, Qi Chu and Lixin Wu
Support for region queries is crucial in geographic information systems, which process exact queries through spatial indexing to filter features and subsequently refine the selection. Although the filtering step has been extensively studied, the refineme...
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