Communications of the ACM
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
Slash(dot) and burn: distributed moderation in a large online conversation space
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Sybilproof reputation mechanisms
Proceedings of the 2005 ACM SIGCOMM workshop on Economics of peer-to-peer systems
Power-Law Distributions in Empirical Data
SIAM Review
Learning analytics: envisioning a research discipline and a domain of practice
Proceedings of the 2nd International Conference on Learning Analytics and Knowledge
Social learning analytics: five approaches
Proceedings of the 2nd International Conference on Learning Analytics and Knowledge
The learning analytics cycle: closing the loop effectively
Proceedings of the 2nd International Conference on Learning Analytics and Knowledge
Learning analytics: drivers, developments and challenges
International Journal of Technology Enhanced Learning
A reference model for learning analytics
International Journal of Technology Enhanced Learning
MOOCs and the funnel of participation
Proceedings of the Third International Conference on Learning Analytics and Knowledge
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We present an analysis of activity on iSpot, a website supporting participatory learning about wildlife through social networking. A sophisticated and novel reputation system provides feedback on the scientific expertise of users, allowing users to track their own learning and that of others, in an informal learning context. We find steeply unequal long-tail distributions of activity, characteristic of social networks, and evidence of the reputation system functioning to amplify the contribution of accredited experts. We argue that there is considerable potential to apply such a reputation system in other participatory learning contexts.