Results 51 to 60 of about 17,825 (204)
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 +1 more source
Hybrid two-fluid DEM simulation of gas-solid fluidized beds. [PDF]
, 2007 Simulations of gas-solid fluidized beds have been performed using a hybrid simulation method, which couples the discrete element method (DEM) for particle dynamics with the averaged two-fluid (TF) continuum equations for the gas phase.
Agrawal +25 more
core +2 more sources
IMPREMENTATION OF VGI-BASED GEOPORTAL FOR EMPOWERING CITIZEN’S GEOSPATIAL OBSERVATORIES RELATED TO URBAN DISASTER MANAGEMENT [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 The volunteered geospatial information (VGI) will be efficient and cost-effective method for generating and sharing large disasterrelated geospatial data.
S. Lee
doaj +1 more source
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
doaj +1 more source
Geomatics, Natural Hazards & RiskThis study analyses how participant characteristics influence the quality of participants in volunteered geographic information (VGI). Despite the wide use of VGI in different areas, the quality of the data collected can vary significantly due to the ...
Marina Tavra, Anka Lisec, Vlado Cetl
doaj +1 more source
“Contextualized VGI” Creation and Management to Cope with Uncertainty and Imprecision
ISPRS International Journal of Geo-Information, 2016 This paper investigates the causes of imprecision of the observations and uncertainty of the authors who create Volunteer Geographic Information (VGI), i.e., georeferenced contents generated by volunteers when participating in some citizen science ...
Gloria Bordogna +6 more
doaj +1 more source
A characterization of Volunteered Geographic Information [PDF]
, 2010 This paper characterizes the Volunteered Geographic Information (VGI) phenomenon and explores comprehensively its relation with SDI. The SDI component view is used as common framework for describing the main characteristics of VGI and as framework for
Bregt, Arnold +3 more
core +2 more sources
Estimation of Laplacian spectra of direct and strong product graphs
, 2015 Calculating a product of multiple graphs has been studied in mathematics, engineering, computer science, and more recently in network science, particularly in the context of multilayer networks. One of the important questions to be addressed in this area
Sayama, Hiroki
core +1 more source
Lack of Compliance in Gillnet Fisheries Regulations Increases Risk to a Vulnerable Species
Fisheries Management and Ecology, EarlyView.ABSTRACT This article presents an analysis of regulatory compliance in a Brazilian gillnet fishery, based on Vessel Monitoring System (VMS) tracking data. Satellite transmissions records, interpreted as proxies for gillnet haulings events, were analyzed and classified using a neural network to assess the level of compliance of the gillnet fleet.
Rodrigo Claudino dos Santos +3 more
wiley +1 more source
Journal of Clinical Periodontology, EarlyView.ABSTRACT Aim To explore the potential of PerioAI, an artificial intelligence system integrating intraoral scanning and cone‐beam CT, to automatically measure gingival margin‐to‐bone distance (GBD) and convert it into AI‐derived probing depth (AI‐PD), and to evaluate whether AI‐PD may provide additional information to support periodontal clinical ...
Hairui Li +6 more
wiley +1 more source