Estimating Message Importance Using Inferred Inter-recipient Trust for Supporting Email Triage

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概要

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• In this paper, we propose a method to prioritize email using a trust network among users for supporting email triage, and evaluate its effectiveness with extensive experiments. In recent years, the amount of email received by individuals has increased, and therefore the time required for email triage (i.e., the process of going through unhandled emails email messages and deciding what to do with them) has therefore been increasing. Golbeck et al. proposed TrustMail, which is a prototype email client that prioritizes email in user's mailbox utilizing using a trust network (i.e., a social network representing trust relationships among users). In this paper, we extend the notion of TrustMail concept to allow message-based email prioritization using inter-recipient trust, which is inferred trust score from the recipient to other recipients. We propose a method called EMIRT (Estimating Message Importance from inter-Recipient Trust) for enabling message-based prioritization. Through extensive experiments utilizing two email datasets, we quantitatively evaluate the effectiveness of EMIRT for estimating importance of emails email prioritization. Our experimental results show that EMIRT is effective for email prioritization. Specifically, our results show that EMIRT achieves significantly higher recall and precision than TrustMail in both email datasets and that EMIRT hardly gives low scores to urgently replied email (i.e., EMIRT achieves a very low false negative).

• 2012-06-15

著者

• Hiroyuki Ohsaki

  Graduate School Of Information Science And Technology Osaka University

• Sho Tsugawa

  Graduate School of Information Science and Technology, Osaka University

• Makoto Imase

  Graduate School of Information Science and Technology, Osaka University

• Sho Tsugawa

  Graduate School Of Information Science And Technology Osaka University

• Makoto Imase

  Graduate School Of Information Science And Technology Osaka University

関連論文

• Estimating Message Importance Using Inferred Inter-recipient Trust for Supporting Email Triage
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• Editor's Message to Special Issue on Applications and the Internet in Conjunction with Main Topics of SAINT 2012 (Preprint)

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