Results 31 to 40 of about 117,366 (264)
Optimizing Spatial Databases [PDF]
Informatică economică, 2010 This paper describes the best way to improve the optimization of spatial databases: through spatial indexes. The most commune and utilized spatial indexes are R-tree and Quadtree and they are presented, analyzed and compared in this paper. Also there are
Anda VELICANU, Ştefan OLARU
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Positional quality assessment based on linear elements
Revista Cartográfica, 2021 This study describes the current state of the art related to the assessment of the positional accuracy of spatial databases based on lines. The use of this type of element of spatial databases has increased in recent years because of the current ...
Antonio Tomás Mozas-Calvache
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Differentially Private and Skew-Aware Spatial Decompositions for Mobile Crowdsensing
Sensors, 2018 Mobile Crowdsensing (MCS) is a paradigm for collecting large-scale sensor data by leveraging mobile devices equipped with small and low-powered sensors. MCS has recently received considerable attention from diverse fields, because it can reduce the cost ...
Jong Seon Kim +2 more
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Land, 2020 Many cities lack complex spatial databases that can answer the question “What does a given green space offer?” This complicates the lives of inhabitants, planners, and local authorities.
Edyta Łaszkiewicz +2 more
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The SSP-Tree: A Method for Distributed Processing of Range Monitoring Queries in Road Networks
ISPRS International Journal of Geo-Information, 2017 This paper addresses the problem of processing range monitoring queries, each of which continuously retrieves moving objects that are currently located within a given query range.
HaRim Jung, Ung-Mo Kim
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Visualization of 3D Survey Data for Strata Titles
ISPRS International Journal of Geo-Information, 2020 Major cities and urban areas are beginning to develop and use 3D properties and public facilities. Consequently, 3D cadastral surveys are increasingly being employed for strata unit ownership registration as a part of land administration services.
Trias Aditya +5 more
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Natural Killer Cells in Paediatric Soft Tissue Sarcomas: A Systematic Review
Pediatric Blood &Cancer, EarlyView.ABSTRACT Paediatric soft tissue sarcomas (pSTS) are a rare and heterogeneous group of malignant tumours arising in tissues of mesenchymal origin. The role of natural killer (NK) cells in pSTS remains poorly understood, with evidence fragmented across small preclinical studies and early‐phase clinical trials.
Raya Dean +7 more
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Although significant progress has been made in childhood leukemia survival, healthcare providers, and caregivers often face challenges in explaining this disease to patients. Disease‐targeted storybooks have been proposed as a tool to facilitate the understanding of diagnoses and treatment.
Nutvipha Ummartyotin +6 more
wiley +1 more source
Energies, 2019 The paper presents a holistic and quantitative model of social gamification in a smart city, which is likely to stimulate the photovoltaic panels installation. The coupling of multi-agent systems, GIS tools, demographic data, and a spatial knowledge base
Robert Olszewski +3 more
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