research-article

C-index: trust depth, trust breadth, and a collective trust measurement

Authors:

Weigang Wang,

Mohd Mokhtar,

Linda MacaulayAuthors Info & Claims

WebScience '08: Proceedings of the hypertext 2008 workshop on Collaboration and collective intelligence

Pages 13 - 16

https://doi.org/10.1145/1379157.1379161

Published: 19 June 2008 Publication History

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Abstract

Many computational trust models measure collective trust or reputation by the total number or the percentage of (pure) positive feedback a collaborator received from a community. Such measurement usually failed to reflect on how deep a trust is (i.e., how many repeated/re-tested trustworthy collaborations a collaborator has had with another) and also how widely a trust is distributed across a community (i.e. how many trustworthy collaboration occurred with different collaborators). In this work, we have defined Trust Depth (TD), Trust Breadth (TB) to measure these two aspects and proposed a C-Index to measure them in one number. Scenarios are provided to show how the C-index might be used for identifying and selecting collaborative partners.

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Cited By

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Deb NChakraborty MChaki NChaki NChaki R(2014)Honesty and Trust-Based IDS SolutionsIntrusion Detection in Wireless Ad-Hoc Networks10.1201/b16394-6(111-146)Online publication date: 9-Jan-2014
https://doi.org/10.1201/b16394-6
Deb NChaki N(2012)TIDSProceedings of the 11th IFIP TC 8 international conference on Computer Information Systems and Industrial Management10.1007/978-3-642-33260-9_6(80-91)Online publication date: 26-Sep-2012
https://dl.acm.org/doi/10.1007/978-3-642-33260-9_6
Chang WChang J(2011)A novel two-stage phased modeling framework for early fraud detection in online auctionsExpert Systems with Applications: An International Journal10.1016/j.eswa.2011.02.17238:9(11244-11260)Online publication date: 1-Sep-2011
https://dl.acm.org/doi/10.1016/j.eswa.2011.02.172
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Index Terms

C-index: trust depth, trust breadth, and a collective trust measurement
1. Human-centered computing
  1. Collaborative and social computing
    1. Collaborative and social computing theory, concepts and paradigms
      1. Computer supported cooperative work
  2. Human computer interaction (HCI)
2. Social and professional topics
  1. Professional topics
    1. Computing and business
      1. Computer supported cooperative work

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Published In

WebScience '08: Proceedings of the hypertext 2008 workshop on Collaboration and collective intelligence

June 2008

64 pages

ISBN:9781605581712

DOI:10.1145/1379157

Conference Chairs:
Weigang Wang
University of Manchester
,
David Millard
University of Southampton

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

New York, NY, United States

Publication History

Published: 19 June 2008

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HT08: 19th ACM Conference on Hypertext and Hypermedia

June 19 - 21, 2008

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Cited By

View all

Deb NChakraborty MChaki NChaki NChaki R(2014)Honesty and Trust-Based IDS SolutionsIntrusion Detection in Wireless Ad-Hoc Networks10.1201/b16394-6(111-146)Online publication date: 9-Jan-2014
https://doi.org/10.1201/b16394-6
Deb NChaki N(2012)TIDSProceedings of the 11th IFIP TC 8 international conference on Computer Information Systems and Industrial Management10.1007/978-3-642-33260-9_6(80-91)Online publication date: 26-Sep-2012
https://dl.acm.org/doi/10.1007/978-3-642-33260-9_6
Chang WChang J(2011)A novel two-stage phased modeling framework for early fraud detection in online auctionsExpert Systems with Applications: An International Journal10.1016/j.eswa.2011.02.17238:9(11244-11260)Online publication date: 1-Sep-2011
https://dl.acm.org/doi/10.1016/j.eswa.2011.02.172
Zhang ZBoukerche A(2009)Design and implemention of a novel MAC layer handoff protocol for IEEE 802.11 wireless networksProceedings of the 2009 IEEE International Symposium on Parallel&Distributed Processing10.1109/IPDPS.2009.5161194(1-5)Online publication date: 23-May-2009
https://dl.acm.org/doi/10.1109/IPDPS.2009.5161194

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