Results 1 to 10 of about 6,788 (165)
Density and diversity of OpenStreetMap road networks in China
Journal of Urban Management, 2015 OpenStreetMap is a geographic information platform designed to provide real-time updates and user-generated content related to its freely available global map, and it is one of the most widely used examples of volunteered geographic information, a ...
Yingjia Zhang +4 more
exaly +3 more sources
Towards Automatic Vandalism Detection in OpenStreetMap [PDF]
ISPRS International Journal of Geo-Information, 2012 The OpenStreetMap (OSM) project, a well-known source of freely available worldwide geodata collected by volunteers, has experienced a consistent increase in popularity in recent years. One of the main caveats that is closely related to this popularity increase is different types of vandalism that occur in the projects database.
Alexander Zipf +2 more
exaly +3 more sources
Analysing the spatial pattern of road networks in Kimberley, South Africa
Town and Regional Planning, 2023 The increasing burden on South African road networks necessitates sustainable solutions that conclude their spatial configuration and arrangement. A deeper understanding of the existing road network’s spatial organisation is, therefore, required.
Tabaro Kabanda
doaj +1 more source
Metamorphic testing of OpenStreetMap
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 Manuel Almendros-Jiménez +3 more
openaire +4 more sources
Diagnosing the performance of human mobility models at small spatial scales using volunteered geographical information [PDF]
Royal Society Open Science, 2019 Accurate modelling of local population movement patterns is a core, contemporary concern for urban policymakers, affecting both the short-term deployment of public transport resources and the longer-term planning of transport infrastructure.
Chico Q. Camargo +2 more
doaj +1 more source
ISPRS International Journal of Geo-Information, 2020 Traditionally, the standards of spatial modeling are oriented to represent the quantitative information of space. However, in recent years an increasingly common challenge is appearing: flexibly and appropriately integrating quantitative information that
Rubén Cantarero Navarro +6 more
doaj +1 more source
Big Earth Data, 2021 In the Big Data era, Earth observation is becoming a complex process integrating physical and social sectors. This study presents an approach to generating a 100 m population grid in the Contiguous United States (CONUS) by disaggregating the US census ...
Xiao Huang +3 more
doaj +1 more source
osmar: OpenStreetMap and R [PDF]
The R Journal, 2013 OpenStreetMap provides freely accessible and editable geographic data. The osmar package smoothly integrates the OpenStreetMap project into the R ecosystem. The osmar package provides infrastructure to access OpenStreetMap data from different sources, to enable working with the OSM data in the familiar R idiom, and to convert the data into objects ...
Eugster, Manuel J., Schlesinger, Thomas
openaire +1 more source
Assessing OSM building completeness for almost 13,000 cities globally
International Journal of Digital Earth, 2022 OpenStreetMap (OSM) is an essential source for acquiring building data, although such data may suffer from quality issues. Many studies have focused on assessing OSM building data quality but few have been carried out on a global scale.
Qi Zhou +3 more
doaj +1 more source
ISPRS International Journal of Geo-Information, 2020 Location-based games have become popular in recent years, with Pokémon Go and Ingress being two very prominent examples. Some location-based games, known as Serious Games, go beyond entertainment and serve additional purposes such as data collection.
Rene Westerholt +2 more
doaj +1 more source