Results 11 to 20 of about 37,372 (242)
Metamorphic testing of OpenStreetMap [PDF]
Information and Software Technology, 2021 OpenStreetMap represents a collaborative effort of many different and unrelated users to create a free map of the world. Although contributors follow some general guidelines, unsupervised additions are prone to include erroneous information. Unfortunately, it is impossible to automatically detect most of these issues because there does not exist an ...
Jesús M. Almendros-Jiménez +3 more
openaire +4 more sources
International Journal of Health Geographics, 2018 Background Lack of accurate data on the distribution of sub-national populations in low- and middle-income countries impairs planning, monitoring, and evaluation of interventions.
Bradley H. Wagenaar +13 more
doaj +1 more source
IEEE Access, 2020 In this paper we focus on a pictorial query language, referred to as Geographical Pictorial Query Language (GeoPQL), and we revise its formal semantics by considering the polygon-polyline, polyline-polyline, and polygon-polygon topological relationships.
Anna Formica +3 more
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Multi-Parameter Estimation of Average Speed in Road Networks Using Fuzzy Control
ISPRS International Journal of Geo-Information, 2020 Average speed is crucial for calculating link travel time to find the fastest path in a road network. However, readily available data sources like OpenStreetMap (OSM) often lack information about the average speed of a road.
Johanna Guth +2 more
doaj +1 more source
Are crowdsourced datasets suitable for specialized routing services? Case study of Openstreetmap for routing of people with limited mobility [PDF]
, 2017 Nowadays, Volunteered Geographic Information (VGI) has increasingly gained attractiveness to both amateur users and professionals. Using data generated from the crowd has become a hot topic for several application domains including transportation ...
Ali, Ahmed Loai +3 more
core +3 more sources
Republishing OpenStreetMap’s roads as linked routable tiles [PDF]
, 2019 Route planning providers manually integrate different geo-spatial datasets before offering a Web service to developers, thus creating a closed world view.
Abelshausen, Ben +4 more
core +1 more source
Transitdaten und OpenStreetMap [PDF]
, 2021 FOSSGIS 2021 : Anwenderkonferenz für Freie und Open Source Software für Geoinformationssysteme, Open Data und OpenStreetMap: 06.-09.
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Predicting building types using OpenStreetMap
Scientific Reports, 2022 AbstractHaving accurate building information is paramount for a plethora of applications, including humanitarian efforts, city planning, scientific studies, and navigation systems. While volunteered geographic information from sources such as OpenStreetMap (OSM) has good building geometry coverage, descriptive attributes such as the type of a building ...
Kuldip Singh Atwal +3 more
openaire +3 more sources
Urban Street Network Analysis in a Computational Notebook [PDF]
, 2019 Computational notebooks offer researchers, practitioners, students, and educators the ability to interactively conduct analytics and disseminate reproducible workflows that weave together code, visuals, and narratives. This article explores the potential
Boeing, Geoff
core +4 more sources
Journal of Hydrology and Hydromechanics, 2018 Drainage networks allow the extraction of topographic parameters that are useful for basins characterization and necessary for hydrologic modelling. One way to obtain drainage networks is by their extraction from Digital Elevation Models (DEMs). However,
Monteiro Elisabete S.V. +2 more
doaj +1 more source