An example of map vandalism where this area of farmland was given a network of non-existent roadwork by a user. Example from OpenStreetMap, CC BY-SA 2.0

Efforts to Combat Map Vandalism in OpenStreetMap Data

Mark Altaweel

Map vandalism is the deliberate wrong change or update to map data, such as adding an incorrect name for a street or place.

Screenshot from the Humanitarian OpenStreeMap Team web site.

Mapping Our World, Saving Lives with Humanitarian OpenStreetMap Team

GIS Contributor

The “Mapping our World: Saving Lives” episode of the AfricaGeoConvo Podcast, examines the world of mapping and volunteering, with Geoffrey Kateregga.

OpenStreetMap relies on contributions from thousands of volunteers to contribute and edit GIS data. Screenshot taken 10-Feb-2021.

OpenStreetMap: One of the World’s Largest Collaborative Geospatial Projects

Mark Altaweel

OpenStreetMap is a community project with the goal of mapping the world using a crowdsourcing, collaborative method.

Map A shows OpenStreetMap (OSM) building footprints overplayed onto an aerial. Map B shows predicted building footprint by area. The darker purple areas predict a high frequency of building footprints. The yellow overlay are the OSM building footprint layer. Source: Goldblatt, Jones, & Mannix, 2020, CC BY 4.0

Using Open Source Geospatial Tools to Find Missing Building Footprints

Caitlin Dempsey

Researchers have developed a methodology that uses remote sensing measurements to predict completeness in coverage of building footprints in OpenStreetMap data.

Community Involvement in OpenStreetMap

Mark Altaweel

While we often assume that the OpenStreetMap (OSM) community is primarily made up of individuals, large corporations are increasingly active in the development of OSM.

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