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Andrea Guazzini, Mirko Duradoni, Alessandro Lazzeri and Giorgio Gronchi
Collective problem-solving and decision-making, along with other forms of collaboration online, are central phenomena within ICT. There had been several attempts to create a system able to go beyond the passive accumulation of data. However, those system...
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Chrysaida-Aliki Papadopoulou and Maria Giaoutzi
The term ?crowdsourcing? was initially introduced by Howe in his article ?The Rise of Crowdsourcing? [1]. During the last few years, crowdsourcing has become popular among companies, institutions and universities, as a crowd-centered modern ?tool? for pr...
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Christoph Perger, Ellsworth LeDrew, Linda See and Steffen Fritz
Geo-Wiki is a crowdsourcing tool used to derive information, based on satellite imagery, to validate and enhance global land cover. Around 5000 users are registered, who contribute to different campaigns to collect data across various domains (e.g., agri...
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