A trust and distrust mechanism for a social network-based recommendation system

Chun-Cheng Lin*, Tzong Shyan Lin, Wan Yu Liu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

As people and their acquaintances are connected with one another to form a social network, social network-based recommendation systems (SNRS) enable people to make decisions based on previous experiences and knowledge of acquaintances. SNRS are implemented to take advantage of the acquaintance relationships, which form the essential links within social networks, to enable people in need of item purchasing recommendations to send requests for recommendations and receive recommendations from people throughout the network. Each person in the social network maintains a pair of trust and distrust ratings for each of their acquaintances and updates the ratings based on usefulness of received from the corresponding acquaintance. A pair of trust and distrust rating is used instead of just a single trust rating where the assumed distrust rating can be derived from the trust rating. In the proposed trust and distrust mechanism, trust represents the perceived risk of choosing a recommendation from the corresponding acquaintance while distrust is a protective measure indicating the level of doubt on the level of trust that is assigned to the same acquaintance. The proposed mechanism corresponds to studies indicating that the trust and distrust are determined separately, with the level of trust being based on a relatively rational evaluation while the level of distrust is based more on fear and other irrational emotions. When the level of distrust rises over a certain threshold for an acquaintance, recommendations received from the acquaintance will not be considered during the decision making process until the level of distrust falls below the threshold. The simulation used for this study utilizes software agents that are connected with one another via a social network to model the behavior of people when soliciting recommendations and providing recommendations.

Original languageEnglish
Title of host publication2012 15th International Symposium on Wireless Personal Multimedia Communications, WPMC 2012
Pages172-176
Number of pages5
StatePublished - 1 Dec 2012
Event2012 15th International Symposium on Wireless Personal Multimedia Communications, WPMC 2012 - Taipei, Taiwan
Duration: 24 Sep 201227 Sep 2012

Publication series

NameInternational Symposium on Wireless Personal Multimedia Communications, WPMC
ISSN (Print)1347-6890

Conference

Conference2012 15th International Symposium on Wireless Personal Multimedia Communications, WPMC 2012
CountryTaiwan
CityTaipei
Period24/09/1227/09/12

Keywords

  • agent
  • distrust
  • recommendation system
  • social network
  • trust

Fingerprint Dive into the research topics of 'A trust and distrust mechanism for a social network-based recommendation system'. Together they form a unique fingerprint.

  • Cite this

    Lin, C-C., Lin, T. S., & Liu, W. Y. (2012). A trust and distrust mechanism for a social network-based recommendation system. In 2012 15th International Symposium on Wireless Personal Multimedia Communications, WPMC 2012 (pp. 172-176). [6398810] (International Symposium on Wireless Personal Multimedia Communications, WPMC).