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Interaction-Based Recommendations for Online Communities

Published: 24 June 2015 Publication History

Abstract

A key challenge in online communities is that of keeping a community active and alive. All online communities work hard to keep their members through various initiatives, such as personalisation and recommendation technologies. In online communities aimed at supporting behavioural change, that is, in domains such as diet, lifestyle, or the environment, the main reason for participation is not to connect with real-world friends for sharing and communicating, but to meet and gain support from like-minded people in an online environment. Introducing personalisation and recommendation features in these networks is challenging, as traditional approaches leverage the densely populated friendship relations found in typical social networks, and these are not present in these new community types. We address this challenge by looking beyond the articulated friendships of a community for evidence of relationships. In particular, we look at the interactions of members of an online community with other members and resources. In this article, we present a social behaviour model and apply it to two types of recommendation systems, a people recommender and a content recommender system. We evaluate our systems using the interaction logs of an online diet and lifestyle community in which 5,000 Australians participated in a 12-week programme. Our results show that our social behaviour-based recommendation algorithms outperform baselines, friendship-based, and link-prediction algorithms.

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Published In

cover image ACM Transactions on Internet Technology
ACM Transactions on Internet Technology  Volume 15, Issue 2
June 2015
89 pages
ISSN:1533-5399
EISSN:1557-6051
DOI:10.1145/2796692
  • Editor:
  • Munindar P. Singh
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

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Publication History

Published: 24 June 2015
Accepted: 01 May 2015
Revised: 01 January 2015
Received: 01 June 2014
Published in TOIT Volume 15, Issue 2

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Author Tags

  1. Social behaviour
  2. filtering
  3. online communities
  4. personalisation
  5. recommendation system

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  • (2023)Movie Account Recommendation on InstagramACM Transactions on Internet Technology10.1145/357985223:1(1-21)Online publication date: 13-Jan-2023
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