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Title page for ETD etd-05112007-143631


Type of Document Master's Thesis
Author Ranjit, Narendran ,
Author's Email Address nranjit@ncsu.edu
URN etd-05112007-143631
Title Multiagent Referral Systems: Maintaining and Applying Trust and Expertise Mode
Degree Master of Science
Graduate Program Computer Science
Advisory Committee
Advisor Name Title
Dr.Munindar Singh Committee Chair
Dr.Edward Gehringer Committee Member
Laurie Williams Committee Member
Keywords
  • agent referral social network narendran ranjit tru
Date of Defense 2007-05-04
Availability unrestricted
Abstract
This thesis addresses the challenge of assisting people to solve a problem by helping locate other people who might have the expertise required to solve that problem. To this end, the proposed system assigns an agent to each user. Further, it models a social network as a multiagent system based on the user's existing online identity. It provides heuristics by which an agent can estimate the expertise and trust to be placed in a user with whom the agent's user interactis. Our approach seeks to reduce the problem of finding an answer to a query to the problem of finding a path to a trustworthy expert who can answer the query. To accomplish this, our system uses referrals from one agent to another in the same fashion that word-of-mouth is used when people are looking for an expert. Our models of trust help establish the authenticity and veracity of the referrals and replies. This thesis describes the architecture and implementation of such a system.

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