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A Unified Approach for Spatial Data Query
2013
International Journal of Data Mining & Knowledge Management Process
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The paper describes a framework for integrating information from repositories containing different vector data sets formats and repositories containing raster datasets. ...
The presented approach converts different vector data formats into a single unified format (File Geo-Database "GDB"). ...
storage requirements. • Storing raster in geo-database format manages raster data by subdividing it into small, manageable areas called tiles stored as large binary objects (BLOBs) in a database. • File ...
doi:10.5121/ijdkp.2013.3604
fatcat:iukqw5zvczbafdirejkba42hky
Geospatial data sharing, online spatial analysis and processing of Indian Biodiversity data in Internet GIS domain – A case study for raster based online geo-processing
2014
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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But the most important challenge is to develop a system for online raster based geo-spatial analysis and processing based on user defined Area of Interest (AOI) for large raster data sets. ...
<br><br> The spatial data generated during the study is organized as central data repository in Geo-RDBMS environment using PostgreSQL and POSTGIS. ...
Python module for raster based Geo-processing: During this study a Python based software product for raster data analysis is developed which is core of the geo-processing engine. ...
doi:10.5194/isprsarchives-xl-8-1133-2014
fatcat:v5didpr7wnb35f6ypj7ibsykpa
PostGIS-Based Heterogeneous Sensor Database Framework for the Sensor Observation Service
2012
Geoinformatics FCE CTU
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Massive work load in large raster downloads from flat-file raster data sources each time a request is made and huge integration and geo-processing work load on the service middleware which could actually ...
Environmental monitoring and management systems in most cases deal with models and spatial analytics that involve the integration of in-situ and remote sensor observations. ...
Raster and vector coverages are both types of discrete coverage. They differ only in how they store and manage their collection of data. ...
doi:10.14311/gi.8.4
fatcat:quhndvp4ffcbbgl3x7fwq4qx3i
Towards Realisation of Heterogeneous Earth-Observation Sensor Database Framework for the Sensor Observation Service based on PostGIS
[article]
2018
arXiv
pre-print
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Massive work load in large raster downloads from flat-file raster data sources each time a request is made and huge integration and geo-processing work load on the service middleware which could actually ...
Environmental monitoring and management systems in most cases deal with models and spatial analytics that involve the integration of in-situ and remote Geosensor observations. ...
Raster and vector coverages are both types of discrete coverage. They differ only in how they store and manage their collection of data. ...
arXiv:1802.06183v1
fatcat:hubvct6xufhivnc3b4zlmg6nqu
GeoBroker: Leveraging geo-contexts for IoT data distribution
2020
Computer Communications
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2020 pre-print arXiv:2001.01603v2 fatcat:xau3ieuo3nhhpp6nqdsih3d6aeOther Versions
Today's data distribution services, however, mostly focus on data content and not on geo-context, which could help to reduce the dissemination of excess data in many IoT scenarios. ...
In this paper, we propose to use the geo-context information associated with devices to control data distribution. ...
These subscription managers use the client and subscription storage to manage connected data producer as well as data consumers and their active subscriptions. ...
doi:10.1016/j.comcom.2020.01.015
fatcat:uwjsurupyrfk5b2wohemwmmfy4
GeoSPARQL+: Syntax, Semantics and System for Integrated Querying of Graph, Raster and Vector Data – Technical Report
[article]
2020
arXiv
pre-print
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We extend the GeoSPARQL vocabulary and query language to support raster data as a new type of geospatial data. ...
We introduce an approach to semantically represent and query raster data in a Semantic Web graph. ...
While there is an overlap between managing raster data and arrays, raster data has geometric aspects that our approach supports (e.g. raster cell geometries, intersections and conversions between rasters ...
arXiv:2009.05032v1
fatcat:abmi76jbfbdqrm6spafnxkkdre
Actinia: cloud based geoprocessing
2019
Zenodo
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In addition to the amount of data to be processed, the lack of compatibility between different data systems has often been an obstacle. ...
The cloud based geoprocessing platform actinia is able to ingest and analyse large volumes of data already present in the cloud. ...
Geo-data can be raster images, vector feature collections or raster collections. Import of online resources can be directly defined in an actinia process chain. ...
doi:10.5281/zenodo.2631917
fatcat:hqpb5lkb3fftpabaptcez3s7gy
GIS-based integrated analysis for water resources vulnerability: a case study in the north-west of italy
2020
International Journal of Environmental Impacts Management Mitigation and Recovery
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and grids, including seasonal climate variables and changes, land use/land cover, seasonal parameters and future changes, seasonal groundwater depth, soil properties, topography and slope. an intense data ...
collection activity was carried out for the year 2015, using all the possible sources available; additionally, potential evapotranspiration, as input data, was calculated using the method of blaney-criddle ...
by arPa. 3 InPut data & wbt model Geo-cwb requires a wide range of input raster information; table 1 shows all sources of data used in this research. ...
doi:10.2495/ei-v3-n3-260-271
fatcat:nkr7r75clngzbkipbpkbmllzb4
Spring: Integrating remote sensing and gis by object-oriented data modelling
1996
Computers & graphics
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Spatial Data Base Management All the descriptive attributes of the geo-objects and geo-fields are stored on a data base management system. ...
Facilities for data management, projection conversion, and raster and vector mosaicking images are available. ...
doi:10.1016/0097-8493(96)00008-8
fatcat:zvty7qzg6va4ndkjrzjzmz3vuu
Oracle Spatial, Raster Data
[chapter]
2016
Encyclopedia of GIS
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Oracle Spatial supports raster data storage and management within the Oracle relational database management system (RDBMS) server. ...
Traditional image and raster data management systems are built on file systems directly. ...
Both pyramid and bitmap masks of the Geo-Raster object are stored in the same raster data table of the GeoRaster object, using the same blocking scheme. ...
doi:10.1007/978-3-319-23519-6_938-2
fatcat:ygg3kz3pqfcgvblgce3lcil3se
Efficient Multi-Level Access Control for Geo-Contents Maintenance
2013
Studies in Informatics and Control
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Examples of raster data are aerial imagery and LiDAR. ...
GIS data is digital content that requires high initial production cost and it is transformed into different digital content according to its usage or access level. ...
Since raster data have specific resolution, they can be degraded at different scale. A common type of raster data is JPEG. GIS images are usually tied with a common special data or geo-rectified. ...
doi:10.24846/v22i2y101310
fatcat:xzsr2zwzqjhapmwqvusmhi46uu
Page 133 of American Society of Civil Engineers. Collected Journals Vol. 116, Issue SU2
[page]
1990
American Society of Civil Engineers. Collected Journals
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The exact geo-positioning of the data permits efficient data-file storage and management, plus extremely rapid manipulation of the information. ...
Raster-based management systems are often associated with satellite data acquisition that is acquired in raster or picture x element (pixel) format. ...
Lifelong training program on QGIS tools for earth observation sciences in south-east Europe
2021
European Journal of Geography
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Earth Observation (EO) data are an indispensable source of useful geospatial information, which can be efficiently combined with other data within the latest released open-source QGIS software. ...
This paper aims: i) to present a general overview of the QGIS EO plugins; ii) to promote the Lifelong Learning (LLL) courses for open-source QGIS software tools provided by the Geo-SEE Institute from Skopje ...
builder plugin, Open-EO plugin, Raster time series manager plugin, and Sentinel-Hub plugin. ...
doi:10.48088/ejg.b.idr.12.3.88.102
fatcat:p5qle52snfexfesh25itvci3ty
PRECISION FARMING IN FLORICULTURE
2021
International journal of research - granthaalayah
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Precision farming is a science base modern technology which provided management concept based on observation and response to intra-field variations. ...
Wireless Sensor Networks has crucial role to management of water resources, to assess the optimum point of harvesting, to estimate fertilizer requirements and to predict crop performance more accurately ...
A map with a specific theme is known as a thematic map. 10) Vectorization: conversion from raster to vector data is called raster vector conversion. ...
doi:10.29121/granthaalayah.v9.i1.2021.2871
fatcat:st66yraenbfg5g7mcnztobmwwy
BLOCCHINE TECHNOLOGY IN THE ANALYSIS OF SECTORAL INFORMATION FOR THE PURPOSE OF REGULATING THE ANTHROPOGENIC LOAD ON SPECIAL PROTECTION NATURAL AREAS
2019
Technology transfer innovative solutions in Social Sciences and Humanities
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Raster datasets "layers" (raster-based digital elevation models) (Fig. 3 ).
Fig. 3. ...
Details of Satellite image Rasters Identification Ground height Rasters DEM Identification Isolines Digital Recognition Elevation points Models Detailing Rasters of relief with washing Relieflines Segmentation ...
doi:10.21303/2613-5647.2019.00909
fatcat:qd7wp3n3iza43iierdhougveva
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