Results 101 to 110 of about 4,589 (214)

Checking the Consistency of Volunteered Phenological Observations While Analysing Their Synchrony

open access: yesISPRS International Journal of Geo-Information, 2018
The increasing availability of volunteered geographic information (VGI) enables novel studies in many scientific domains. However, inconsistent VGI can negatively affect these studies.
Hamed Mehdipoor   +3 more
doaj   +1 more source

A Location Aware Mobile Tool for Direct and Indirect Climate Data Sensors [PDF]

open access: yes, 2014
Access to GIS data from mobile platforms continues to be a challenge and there is a wide range of fields where it is extremely useful. In this work, we combined three key aspects: climate data sensors, mobile platforms and spatial proximity operations ...
Huerta, Joaquin   +2 more
core   +2 more sources

Supporting Urban Energy Efficiency with Volunteered Roof Information and the Google Maps API

open access: yesRemote Sensing, 2014
The Heat Energy Assessment Technologies (HEAT) project uses high-resolution airborne thermal imagery, Geographic Object-Based Image Analysis (GEOBIA), and a Geoweb environment to allow the residents of Calgary, Alberta, Canada to visualize the amount and
Bilal Abdulkarim   +2 more
doaj   +1 more source

How volunteered geographic information can be integrated into emergency management practice? : first lessons learned from an urban fire simulation in the city of Coimbra [PDF]

open access: yes
In the past few years, volunteered geographic information (VGI) has emerged as a new resource for improving the management of emergencies. Despite the growing body of research dedicated to the use of VGI in crisis management, studies are still needed ...
Albuquerque, João Porto de   +3 more
core  

A software architecture to integrate sensor data and volunteered geographic information for flood risk management [PDF]

open access: yes, 2016
Natural disasters are phenomena that can cause great damage to people in urban and rural areas, and thus require preventive and reactive measures. If they involve multiple sources of information, these measures can be more useful and effective.
Albuquerque, João Porto de   +3 more
core  

A Proximity-Based Semantic Enrichment Approach of Volunteered Geographic Information: A Study Case of Waste of Water

open access: yesInformation, 2019
Volunteered geographic information (VGI) refers to geospatial data that is collected and/or shared voluntarily over the Internet. Its use, however, presents many limitations, such as data quality, difficulty in use and recovery.
Liliane Soares da Costa   +3 more
doaj   +1 more source

Characteristics of Citizen-contributed Geographic Information [PDF]

open access: yes, 2014
Current Internet applications have been increasingly incorporating citizen-contributed geographic information (CCGI) with much heterogeneous characteristics.
LUTZ Michael   +2 more
core  

Web 2.0 Broker: A standards-based service for spatio-temporal search of crowd-sourced information [PDF]

open access: yes, 2012
Recent trends in information technology show that citizens are increasingly willing to share information using tools provided by Web 2.0 and crowdsourcing platforms to describe events that may have social impact.
Díaz Sánchez, Laura   +3 more
core   +2 more sources

Open source data mining infrastructure for exploring and analysing OpenStreetMap [PDF]

open access: yes, 2018
OpenStreetMap and other Volunteered Geographic Information datasets have been explored in the last years, with the aim of understanding how their meaning is rendered, of assessing their quality, and of understanding the community-driven process that ...
Mobasheri, Amin   +2 more
core   +1 more source

Future internet enablers for VGI applications

open access: yes, 2013
This paper presents the authors experiences with the development of mobile Volunteered Geographic Information (VGI) applications in the context of the ENVIROFI project and Future Internet Public Private Partnership (FI-PPP) FP7 research programme.FI-PPP ...
Berre, Arne   +6 more
core  

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