Results 41 to 50 of about 350,897 (268)
Exploring Data Model Relations in OpenStreetMap
Future Internet, 2017 The OpenStreetMap (OSM) geographic data model has three principal object types: nodes (points), ways (polygons and polylines), and relations (logical grouping of all three object types to express real-world geographical relationships).
Hippolyte Pruvost, Peter Mooney
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Geomatics, Natural Hazards & RiskThe increasing occurrence of disasters worldwide has motivated researchers to continuously evaluate potential technological advances to support disaster management (DM) as well as emergency response. The advent of Volunteered Geographic Information (VGI)
Marina Tavra +3 more
semanticscholar +1 more source
Land Economics, 2021 Data from citizen science (CS) projects (and some social media) can offer selected samples with extensive information about human interactions with the natural world.
T. Cameron, Sonja H. Kolstoe
semanticscholar +1 more source
Volunteered Geographic Information System Design: Project and Participation Guidelines
ISPRS International Journal of Geo-Information, 2016 This article sets forth the early phases of a methodological proposal for designing and developing Volunteered Geographic Information (VGI) initiatives based on a system perspective analysis in which the components depend and interact dynamically among ...
José-Pablo Gómez-Barrón +3 more
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Designing a Volunteered Geographic Information System for Road Data Validation
Proceedings, 2019 The objective of this work is to build a Volunteered Geographic Information System (VGIS) using a methodological design process. The VGIS design focuses on coordinating its three main components—project (organization), participants (community), and
José Pablo Gómez-Barrón +2 more
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ASSESSING VOLUNTEERED GEOGRAPHIC INFORMATION (VGI) QUALITY BASED ON CONTRIBUTORS' MAPPING BEHAVIOURS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013 VGI changed the mapping landscape by allowing people that are not professional cartographers to contribute to large mapping projects, resulting at the same time in concerns about the quality of the data produced.
D. Bégin, R. Devillers, S. Roche
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Sustainability, 2020 The need for in-depth and fast observation of waste pollutions, increase in public concerns on environmental pollution and the effect of polluted environment on the physical and mental health of people have led to participatory environmental monitoring ...
A. Sadeghi-Niaraki +2 more
semanticscholar +1 more source
Volunteered geographic information: the nature and motivation of produsers
International journal of spatial data infrastructures research, 2009 Advances in positioning, Web mapping, cellular communications and wiki technologies have surpassed the original visions of GSDI programs around the world. By tapping the distributed knowledge, personal time and energy of volunteer contributors, GI voluntarism is beginning to relocate and redistribute selected GI productive activities from mapping ...
Coleman, David +2 more
openaire +2 more sources
Arthritis Care &Research, EarlyView.Objective The goal was to assess the diagnostic performance of three novel autoantibodies (NA) for Sjögren disease (SjD) by comparing NA prevalence in patients with SjD, other autoimmune rheumatic diseases (ARDs), nonspecific chronic sialadenitis (CS), and controls.
Chadwick R. Johr +5 more
wiley +1 more source
ASSESSMENT OF THE HOMOGENEITY OF VOLUNTEERED GEOGRAPHIC INFORMATION IN SOUTH AFRICA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 The potential for volunteer groups to contribute geographic data to National Mapping Agencies has been widely recognised. Several investigations have been done to determine the geometric accuracy of this data for the purposes of national mapping.
L. Siebritz, G. Sithole, S. Zlatanova
doaj +1 more source