Results 11 to 20 of about 19,531 (263)
, 2017 Uncertainty over the data quality of Volunteered Geographic Information (VGI) is the largest barrier to the use of this data source by National Mapping Agencies (NMAs) and other government bodies.
Cidália C. Fonte +7 more
semanticscholar +6 more sources
The Scale of VGI in Map Production: A Perspective on European National Mapping Agencies [PDF]
Trans. GIS, 2016 The perspective of European National Mapping Agencies (NMA) on the role of citizen sensing in map production was explored. The NMAs varied greatly in their engagement with the community generating volunteered geographic information (VGI) and in their ...
Ana‐Maria Olteanu‐Raimond +5 more
semanticscholar +7 more sources
Advancing Science with VGI: Reproducibility and Replicability of Recent Studies using VGI [PDF]
Transactions in GIS, 2016 AbstractIn scientific research, reproducibility and replicability are requirements to ensure the advancement of our body of knowledge. This holds true also for VGI‐related research and studies. However, the characteristics of VGI suggest particular difficulties in ensuring reproducibility and replicability.
Ostermann, Frank, Granell, Carlos
openaire +5 more sources
Highlighting Current Trends in Volunteered Geographic Information [PDF]
ISPRS International Journal of Geo-Information, 2017 Volunteered Geographic Information (VGI) is a growing area of research. This Special Issue aims to capture the main trends in VGI research based on 16 original papers, and distinguishes between two main areas, i.e., those that deal with the ...
David Jonietz +3 more
doaj +3 more sources
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 This paper presents a framework for considering quality control of volunteered geographic information (VGI). Different issues need to be considered during the conception, acquisition and post-acquisition phases of VGI creation.
C. C. Fonte +7 more
doaj +9 more sources
Low-Cost New Glaucoma Drainage Device in Indonesia: One Year Follow-Up of 252 Subjects. [PDF]
Clin Exp OphthalmolABSTRACT Background To evaluate the early efficacy and safety of a new polymethyl methacrylate 200 mm2 non‐valved glaucoma drainage device (GDD) designed for Indonesian use over a 12 month period. Methods This was a prospective study following subjects with various forms of refractory glaucoma aged ≥ 7 years old followed for 12 months. The subjects had
Asrory VDO, Morgan WH.
europepmc +2 more sources
ASSESSMENT OF COMPLETENESS AND POSITIONAL ACCURACY OF LINEAR FEATURES IN VOLUNTEERED GEOGRAPHIC INFORMATION (VGI) [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 Recent advances in spatial data collection technologies and online services dramatically increase the contribution of ordinary people to produce, share, and use geographic information. Collecting spatial data as well as disseminating them on the internet
M. Eshghi, A. A. Alesheikh
doaj +3 more sources
Motivating and Sustaining Participation in VGI [PDF]
, 2017 Volunteers are the key component in the collection of Volunteered Geographic Information (VGI), so what motivates their participation, what strategies work in recruitment and how sustainability of participation can be achieved are key questions that need to be answered to inform VGI system design and implementation.
Fritz, S., See, L., Brovelli, M.
openaire +5 more sources
The Study of Escherichia coli as Antimicrobial-Resistant Sentinel Microorganism Isolated in the Farms of Three Districts of Ankara by MALDI-TOF MS and Genomic Analysis. [PDF]
Vet Med SciThe antibiotic susceptibility of Escherichia coli isolates isolated from faeces and soil samples collected from farms in three districts where livestock farming activities are intensively carried out via phenotypic and genotypic methods and the presence of extended‐spectrum beta‐lactamases (ESBLs) via a double‐disc synergy test. Only one E. coli strain
Karademir D +4 more
europepmc +2 more sources
IEEE Access, 2019 Designing an urban platform intended to be a shared virtual space for coordination, cooperation, and collaboration among public administrations, local institutions, civic organizations, businesses, and citizens is an open challenge.
Guido Boella +5 more
openalex +2 more sources