Results 161 to 170 of about 2,365 (174)

GeoBI and Big VGI for Crime Analysis and Report

2015 3rd International Conference on Future Internet of Things and Cloud, 2015
Geographic Information Systems (GIS) have left being a tool for academics and specialist enterprises and it is becoming a massive tool. Initially, citizens had a passive interaction about this kind of systems, which were used to retrieve data of interest on a map, however their role has changed and has become a major contributor of geographic ...
Federico Herrera, Raquel Sosa, Tatiana Delgado   +2 more
openaire   +1 more source

Situating the Adoption of VGI by Government

2012
Governments have long been active online, providing services and information to citizens. With the development of Web 2.0 technology, many governments are considering how they can better engage with and accept citizen input online, particularly through the gathering and use of volunteered geographic information (VGI).
Peter A. Johnson, Renee E. Sieber
openaire   +1 more source

Evaluation of GPS trajectories on VGI and social websites

2013 21st International Conference on Geoinformatics, 2013
Nowadays, researchers tend to make use of GPS trajectories collected by companies, organizations, or volunteers. GPS trajectories on crowdsourcing websites are less widely used in researches but actually have great potential for various applications. Thus, this paper makes a comprehensive study on GPS trajectories on VGI websites and social websites ...
Run Huang, Changqing Huang, Jie Shan, Lian Xiong, Jixing Yan   +4 more
openaire   +1 more source

Core standard graphic package for the VGI 3400

ACM SIGGRAPH Computer Graphics, 1978
Implementing the 1977 Core System standard proposal of ACM/Siggraph for a state-of-the-art microprogrammable refresh display system presents a number of design tradeoffs. Thus, there are areas of contention between a strict interpretation of the standards and the advanced capabilities of the display that led the user to purchase such a system in the ...
openaire   +1 more source

VGI and beyond

2017
Vyron Antoniou, Cristina Capineri, Muki (Mordechai) Haklay   +2 more
openaire   +1 more source

The three levels of the urban digital divide: Bridging issues of coverage, usage and its outcomes in VGI platforms

Geoforum, 2021
Daniela Ferreira, Mario Vale, Renato MIGUEL Carmo   +2 more
exaly  

Using volunteered geographic information (VGI) in design-based statistical inference for area estimation and accuracy assessment of land cover

Remote Sensing of Environment, 2018
Stephen V Stehman, Cidalia C Fonte, Giles M Foody   +2 more
exaly  

Matching authority and VGI road networks using an extended node-based matching algorithm

Geo-Spatial Information Science, 2015
Ehsan Abdolmajidi, Ali Mansourian, Lars Harrie   +2 more
exaly  

Towards Evaluating Geospatial Metadata Quality in the Context of VGI

Procedia Computer Science, 2017
Saida Aissi
exaly  

Beyond data collection: Objectives and methods of research using VGI and geo-social media for disaster management

Computers, Environment and Urban Systems, 2016
CARLOS Granell, Frank O Ostermann
exaly