The tasks of the crowd: A typology of tasks in geographic information crowdsourcing and a case study in humanitarian mapping
JP Albuquerque, B Herfort, M Eckle - Remote Sensing, 2016 - mdpi.com
In the past few years, volunteers have produced geographic information of different kinds,
using a variety of different crowdsourcing platforms, within a broad range of contexts …
using a variety of different crowdsourcing platforms, within a broad range of contexts …
Accurate attribute mapping from volunteered geographic information: issues of volunteer quantity and quality
Crowdsourcing is a popular means of acquiring data, but the use of such data is limited by
concerns with its quality. This is evident within cartography and geographical sciences more …
concerns with its quality. This is evident within cartography and geographical sciences more …
Assessing the accuracy of volunteered geographic information arising from multiple contributors to an internet based collaborative project
The recent rise of neogeography and citizen sensing has increased the opportunities for the
use of crowdsourcing as a means to acquire data to support geographical research. The …
use of crowdsourcing as a means to acquire data to support geographical research. The …
[HTML][HTML] The motivations, enablers and barriers for voluntary participation in an online crowdsourcing platform
This paper examines the phenomena of online crowdsourcing from the perspectives of both
volunteers and the campaign coordinator of Tomnod–an online mapping project that uses …
volunteers and the campaign coordinator of Tomnod–an online mapping project that uses …
Rule-guided human classification of Volunteered Geographic Information
During the last decade, web technologies and location sensing devices have evolved
generating a form of crowdsourcing known as Volunteered Geographic Information (VGI) …
generating a form of crowdsourcing known as Volunteered Geographic Information (VGI) …
Crowdsourcing, citizen science or volunteered geographic information? The current state of crowdsourced geographic information
Citizens are increasingly becoming an important source of geographic information,
sometimes entering domains that had until recently been the exclusive realm of authoritative …
sometimes entering domains that had until recently been the exclusive realm of authoritative …
[PDF][PDF] The impact of crowdsourcing on spatial data quality indicators
M Van Exel, E Dias, S Fruijtier - Proceedings of the GIScience …, 2010 - giscience2010.org
Crowdsourced geospatial information has soared the last couple of years. For example the
statistics of OpenStreetMap (OSM) show an accelerating growth (OSM 2010). At the same …
statistics of OpenStreetMap (OSM) show an accelerating growth (OSM 2010). At the same …
[PDF][PDF] The tools of citizen science: An evaluation of map-based crowdsourcing platforms
Z Lamoureux, V Fast - Spatial Knowledge and Information Canada, 2019 - ceur-ws.org
There seems to be a persistent yet inaccurate sentiment that collecting vast amounts of data
via citizen science is virtually free, especially compared to the cost of privatized scientific …
via citizen science is virtually free, especially compared to the cost of privatized scientific …
[图书][B] European handbook of crowdsourced geographic information
C Capineri - 2016 - ubiquitypress.com
Cristina Capineri*, Muki Haklay, Haosheng Huang, Vyron Antoniou, Juhani Kettunen, Frank
Ostermann and Ross Purves* cristina. capineri@ unisi. it This book features contributions …
Ostermann and Ross Purves* cristina. capineri@ unisi. it This book features contributions …
Limitations of majority agreement in crowdsourced image interpretation
Crowdsourcing can efficiently complete tasks that are difficult to automate, but the quality of
crowdsourced data is tricky to evaluate. Algorithms to grade volunteer work often assume …
crowdsourced data is tricky to evaluate. Algorithms to grade volunteer work often assume …