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Showing 1 to 7 of 7 for “"Crowdsourcing systems"”.
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Security, privacy, and trust in crowdsourcing systems
Crowdsourcing has emerged as an efficient way to solve problems that require the wisdom of human beings. With their fast, low-cost, and flexible nature, crowdsourcing systems have been widely used by researchers in a variety of disciplines for data collection. However, due to the vulnerabilities of …
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EFFICIENT LEARNING-BASED RECOMMENDATION ALGORITHMS FOR TOP-N TASKS AND TOP-N WORKERS IN LARGE-SCALE CROWDSOURCING SYSTEMS
… personalized recommendations has emerged in crowdsourcing systems. On the one hand, workers confront a flood of tasks, and they often spend too much time to find tasks matching their skills and interests. Thus, workers want effective recommendation of the most suitable tasks with regard to …
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On Classification in Human-driven and Data-driven Systems
<p>Classification systems are ubiquitous, and the design of effective classification algorithms has been an even more active area of research since the emergence of machine learning techniques. Despite the significant efforts devoted to training and feature selection in classification systems, …
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Crowdview: uma plataforma crowdsourcing para gerenciamento temporal de entidades
… the crowd to solve these tasks. In this context, crowdsourcing emerges as a paradigm shift in which the crowd, through open calls, provides solutions to specific problems. It can perform tasks distributed in different stages such as data collection, treatment, processing and analysis. These …
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Solving Mysteries with Crowds: Supporting Crowdsourced Sensemaking with a Modularized Pipeline and Context Slices
… of expert analysts. Machine learning and crowdsourcing present new opportunities for large-scale sensemaking, but it remains a challenge to model the overall process so that many distributed agents can contribute to suitable components asynchronously and meaningfully. In this work, I …
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Supporting Historical Research and Education with Crowdsourced Analysis of Primary Sources
… challenges, my dissertation explores the use of crowdsourcing to support historians in analysis of primary sources. In four studies, I first proposed a class-sourcing model where historians outsource historical analysis to students as a teaching method and students learn historical thinking and …
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Occasional Groups in Crowdsourcing Platforms
<p>Contributors to online crowdsourcing systems generally work independently on pieces of the product but in some cases, task interdependencies may require collaboration to develop a final product. These collaborations though take a distinctive form because of the nature of crowdsourced work. …