• Publications
  • Influence
Information Quality in Wikipedia: The Effects of Group Composition and Task Conflict
TLDR
The success of Wikipedia demonstrates that self-organizing production communities can produce high-quality information-based products. Expand
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Dusting for science: motivation and participation of digital citizen science volunteers
TLDR
We surveyed volunteers at Stardust@home a digital citizen science project, in which volunteers classify online images from NASA's Stardust spacecraft. Expand
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Scientists@Home: What Drives the Quantity and Quality of Online Citizen Science Participation?
Online citizen science offers a low-cost way to strengthen the infrastructure for scientific research and engage members of the public in science. As the sustainability of online citizen scienceExpand
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A Theory-Driven Design Framework for Social Recommender Systems
TLDR
Social recommender systems utilize data regarding users’ social relationships in filtering relevant information to users. Expand
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On the measurability of information quality
TLDR
We show that multiple assessors tend to agree more on certain dimensions (e.g., accuracy, completeness, objectivity, and representation) while finding it more difficult to agree on others. Expand
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Wiki deployment in corporate settings
TLDR
This paper examines the actual use of wikis in corporate settings, to identify factors driving user participation, and to assess the extent to which wikis provide value to both individuals and the organization. Expand
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Volunteer computing: a model of the factors determining contribution to community-based scientific research
TLDR
Volunteer computing is a powerful way to harness distributed resources to perform large-scale tasks, similarly to other types of community-based initiatives. Expand
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Functional Roles and Career Paths in Wikipedia
TLDR
In this paper we empirically study the nature and structure of functional roles within Wikipedia, seeking to validate existing theoretical frameworks. Expand
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Technology-Mediated Citizen Science Participation: A Motivational Model
TLDR
We propose and test a framework of the antecedents of contribution in two technology-mediated citizen science projects, with different degrees of task granularity. Expand
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Wisdom of the Crowds: Decentralized Knowledge Construction in Wikipedia
TLDR
We propose a model of the WoC phenomena, based on Surowiecki’s (2005) Wisdom of Crowds, and test its validity using Wikipedia data. Expand
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