Geographic proximity and homophily effects drive social interactions within VGI communities: an example of iNaturalist [PDF]
International Journal of Digital Earth, 2023 Social interactions among online community members contributing to volunteered geographic information (VGI) are a key element and often crucial to VGI project success.
Guiming Zhang, Xi Gong, Di Zhu
doaj +3 more sources
Integrating VGI and 2D hydraulic models into a data assimilation framework for real time flood forecasting and mapping [PDF]
Geo-spatial Information Science, 2019 Crowdsourced data can effectively observe environmental and urban ecosystem processes. The use of data produced by untrained people into flood forecasting models may effectively allow Early Warning Systems (EWS) to better perform while support decision ...
Antonio Annis, Fernando Nardi
doaj +3 more sources
Big Earth Data, 2021 The applications of 3D building models are limited as producing them requires massive labor and time costs as well as expensive devices. In this paper, we aim to propose a novel and web-based interactive platform, VGI3D, to overcome these challenges. The
Hongchao Fan, Gefei Kong, Chaoquan Zhang
doaj +2 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
Regulation of Somatosensory Temporal Discrimination Threshold Through Motor Training: An EEG and Kinematics Study. [PDF]
CNS Neurosci TherActual execution enhanced motor performance and reduced STDT at the index finger via parietal gamma and prefrontal theta plasticity, with increased SIR plasticity. Motor imagery (MI) improved palm STDT through ipsilateral parietal delta modulation, also enhancing SIR.
Zhang J +7 more
europepmc +2 more sources
Cryptococcal meningitis due to Cryptococcus neoformans VNI in a koala (Phascolarctos cinereus) with progressive neurological disease. [PDF]
Aust Vet JNearly all cases of cryptococcosis in koalas are caused by Cryptococcus gattii species complex. A rare case of meningitis due to Cryptococcus neoformans VNI/AFLP1 (abbreviated VNI) is described in a koala with nasal colonisation by both species complexes.
Teh A +6 more
europepmc +2 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
A data fusion-based framework to integrate multi-source VGI in an authoritative land use database
International Journal of Digital Earth, 2021 Updating an authoritative Land Use and Land Cover (LULC) database requires many resources. Volunteered geographic information (VGI) involves citizens in the collection of data about their spatial environment. There is a growing interest in using existing
Lanfa Liu +4 more
doaj +2 more sources
Comparison of AI-Powered Tools for CBCT-Based Mandibular Incisive Canal Segmentation: A Validation Study. [PDF]
Clin Oral Implants ResABSTRACT Objective Identification of the mandibular incisive canal (MIC) prior to anterior implant placement is often challenging. The present study aimed to validate an enhanced artificial intelligence (AI)‐driven model dedicated to automated segmentation of MIC on cone beam computed tomography (CBCT) scans and to compare its accuracy and time ...
da Andrade-Bortoletto MFS +4 more
europepmc +2 more sources
Data trustworthiness and user reputation as indicators of VGI quality
Geo-spatial Information Science, 2018 Volunteered geographic information (VGI) has entered a phase where there are both a substantial amount of crowdsourced information available and a big interest in using it by organizations.
Paolo Fogliaroni +2 more
doaj +2 more sources