Results 21 to 30 of about 3,471,337 (333)
AT-GIS: highly parallel spatial query processing with associative transducers [PDF]
, 2015 Users in many domains, including urban planning, transportation, and environmental science want to execute analytical queries over continuously updated spatial datasets.
Ogden, Pietzuch, P, Thomas, D
core +1 more source
GeoSpark SQL: An Effective Framework Enabling Spatial Queries on Spark
ISPRS International Journal of Geo-Information, 2017 In the era of big data, Internet-based geospatial information services such as various LBS apps are deployed everywhere, followed by an increasing number of queries against the massive spatial data.
Zhou Huang +3 more
doaj +1 more source
A VOMR-TREE BASED PARALLEL RANGE QUERY METHOD ON DISTRIBUTED SPATIAL DATABASE [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 Spatial index impacts upon the efficiency of spatial query seriously in distributed spatial database. In this paper, we introduce a parallel spatial range query algorithm, based on VoMR-tree index, which incorporates Voronoi diagrams into MR-tree ...
Z. Fu, Z. Fu, S. Liu
doaj +1 more source
Sensors, 2018 With the rapid development of mobile devices and sensors, effective searching methods for big spatial data have recently received a significant amount of attention.
Bumjoon Jo, Sungwon Jung
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A Hierarchical Spatial Network Index for Arbitrarily Distributed Spatial Objects
ISPRS International Journal of Geo-Information, 2021 The range query is one of the most important query types in spatial data processing. Geographic information systems use it to find spatial objects within a user-specified range, and it supports data mining tasks, such as density-based clustering. In many
Xiangqiang Min +3 more
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Search Me in the Dark: Privacy-preserving Boolean Range Query over Encrypted Spatial Data
IEEE Conference on Computer Communications, 2020 With the increasing popularity of geo-positioning technologies and mobile Internet, spatial keyword data services have attracted growing interest from both the industrial and academic communities in recent years.
Xiangyu Wang +6 more
semanticscholar +1 more source
A Big Spatial Data Processing Framework Applying to National Geographic Conditions Monitoring [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 In this paper, a novel framework for spatial data processing is proposed, which apply to National Geographic Conditions Monitoring project of China. It includes 4 layers: spatial data storage, spatial RDDs, spatial operations, and spatial query language.
F. Xiao
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QPIC: Query-Based Pairwise Human-Object Interaction Detection with Image-Wide Contextual Information [PDF]
Computer Vision and Pattern Recognition, 2021 We propose a simple, intuitive yet powerful method for human-object interaction (HOI) detection. HOIs are so diverse in spatial distribution in an image that existing CNN-based methods face the following three major drawbacks; they cannot leverage image ...
Masato Tamura +2 more
semanticscholar +1 more source
A Geographic Meshing and Coding Method Based on Adaptive Hilbert-Geohash
IEEE Access, 2019 Geographic meshing system is an essential technology in the digital earth framework and has essential applications in the integration and organization of heterogeneous spatial data, along with corresponding coding method.
Ning Guo +4 more
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Resource Capacitated Collective Travel Planning in Spatial Databases
IEEE Access, 2020 The widespread use of GPS smart devices has allowed users to collect location information in real-time, leading to the emergence of ride-sharing services based on users' locations. Ride-sharing services have become effective services that reduce the cost
Junkyu Lee, Seog Park
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