Abstract
Active participation of a person in a community is a powerful indicator of the person’s interests, preferences, beliefs and (often) social and demographic context. Community membership is part of a user’s model and can contribute to tasks like personalized services, assistance and recommendations. However, a community member can be active or inactive. To what extend is a community still representative of the interests of an inactive participant? To gain insights to this question, we observe a community as an evolving social structure and study the effects of member fluctuation. We define a community as a high-level temporal structure composed of “community instances” that are defined conventionally through observable active participation and are captured at distinct timepoints. Thus, we capture community volatility, as evolution and discontinuation. This delivers us clues about the role of the community for its members, both for active and inactive ones. We have applied our model on a community exhibiting large fluctuation of members and acquired insights on the community-member interplay.
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Falkowski, T., Spiliopoulou, M. (2007). Users in Volatile Communities: Studying Active Participation and Community Evolution. In: Conati, C., McCoy, K., Paliouras, G. (eds) User Modeling 2007. UM 2007. Lecture Notes in Computer Science(), vol 4511. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73078-1_8
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DOI: https://doi.org/10.1007/978-3-540-73078-1_8
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-73077-4
Online ISBN: 978-3-540-73078-1
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