publications:
- title: "An Integrated Trust and Reputation Model for Open Multi-agent Systems"
  author:
  - name: "Trung Dong Huynh"
    link: "www.ecs.soton.ac.uk/people/tdh"
  - name: "Nicholas R. Jennings"
    link: "http://users.ecs.soton.ac.uk/nrj/"
  - name: "Nigel R. Shadbolt"
    link: "http://users.ecs.soton.ac.uk/nrs/"
  year: "2006"
  doi: "http://dx.doi.org/10.1007/s10458-005-6825-4"
  abstract: "Trust and reputation are central to effective interactions in open multi-agent systems in which agents, that are owned by a variety of stakeholders, continuously enter and leave the system. This openness means existing trust and reputation models cannot readily be used since their performance suffers when there are various (unforseen) changes in the environment. To this end, this paper presents FIRE, a trust and reputation model that integrates a number of information sources to produce a comprehensive assessment of an agent's likely performance in open systems. Specifically, FIRE incorporates interaction trust, role-based trust, witness reputation, and certified reputation to provide trust metrics in most circumstances. FIRE is empirically evaluated and is shown to help agents gain better utility (by effectively selecting appropriate interaction partners) than our benchmarks in a variety of agent populations. It is also shown that FIRE is able to effectively respond to changes that occur in an agent's environment."
  links:
    doi: "http://dx.doi.org/10.1007/s10458-005-6825-4"
  tags:
  - "empirical"
  - "rule-based"
  - "agent based modeling"
  - "meta-model"
  - "modeling"
  - "source-to-source"
  - "object-role modeling"
  - "reputation"
  - "information models"
  - "Meta-Environment"
  - "open-source"
  researchr: "https://researchr.org/publication/HuynhJS06jaamass"
  cites: 0
  citedby: 0
  journal: "AAMAS"
  volume: "13"
  number: "2"
  pages: "119-154"
  kind: "article"
  key: "HuynhJS06jaamass"
- title: "On Handling Inaccurate Witness Reports"
  author:
  - name: "Trung Dong Huynh"
    link: "www.ecs.soton.ac.uk/people/tdh"
  - name: "Nicholas R. Jennings"
    link: "http://users.ecs.soton.ac.uk/nrj/"
  - name: "Nigel R. Shadbolt"
    link: "http://users.ecs.soton.ac.uk/nrs/"
  year: "2005"
  abstract: "Witness reports are a key building block for reputation systems in open multi-agent systems in which agents, that are owned by a variety of stakeholders, continuously enter and leave the system. However, in such open and dynamic environments, these reports can be inaccurate because of the differing views of the reporters. Moreover, due to the conflicting interests that stem from the multiple stakeholders, some witnesses may deliberately provide false information to serve their own interests. Now, in either case, if such inaccuracy is not recognised and dealt with, it will adversely affect the function of the reputation model. To this end, this paper presents a generic method that detects inaccuracy in witness reports and updates the witness?s credibility accordingly so that less credence is placed on its future reports. Our method is empirically evaluated and is shown to help agents effectively detect inaccurate witness reports in a variety of scenarios where various degrees of inaccuracy in witness reports are introduced."
  links:
    "url": "http://eprints.ecs.soton.ac.uk/11136/"
  tags:
  - "empirical"
  - "meta-model"
  - "source-to-source"
  - "reputation"
  - "information models"
  - "Meta-Environment"
  - "open-source"
  researchr: "https://researchr.org/publication/HuynhJS05"
  cites: 0
  citedby: 0
  booktitle: "8th Int. Workshop on Trust in Agent Societies"
  kind: "inproceedings"
  key: "HuynhJS05"
- title: "Certified Reputation: How an Agent Can Trust a Stranger"
  author:
  - name: "Trung Dong Huynh"
    link: "www.ecs.soton.ac.uk/people/tdh"
  - name: "Nicholas R. Jennings"
    link: "http://users.ecs.soton.ac.uk/nrj/"
  - name: "Nigel R. Shadbolt"
    link: "http://users.ecs.soton.ac.uk/nrs/"
  year: "2006"
  doi: "http://doi.acm.org/10.1145/1160633.1160854"
  abstract: "Current computational trust models are usually built either on an agent's direct experience of an interaction partner (interaction trust) or reports provided by third parties about their experiences with a partner (witness reputation). However, both of these approaches have their limitations. Models using direct experience often result in poor performance until an agent has had a su±cient number of interactions to build up a reliable picture of a particular partner and witness reports rely on self-interested agents being willing to freely share their experience. To this end, this paper presents Certified Reputation (CR), a novel model of trust that can overcome these limitations. Specifically, CR works by allowing agents to actively provide third-party references about their previous performance as a means of building up the trust in them of their potential interaction partners. By so doing, trust relationships can quickly be established with very little cost to the involved parties. Here we empirically evaluate CR and show that it helps agents pick better interaction partners more quickly than models that do not incorporate this form of trust."
  links:
    doi: "http://doi.acm.org/10.1145/1160633.1160854"
  tags:
  - "empirical"
  - "meta-model"
  - "reputation"
  - "Meta-Environment"
  - "systematic-approach"
  researchr: "https://researchr.org/publication/HuynhJS06aamas"
  cites: 0
  citedby: 0
  pages: "1217-1224"
  booktitle: "atal"
  kind: "inproceedings"
  key: "HuynhJS06aamas"
- title: "Towards an Understanding of Shared Understanding in Military Coalition Contexts"
  author:
  - name: "Paul R. Smart"
    link: "http://users.ecs.soton.ac.uk/ps02v/"
  - name: "Trung Dong Huynh"
    link: "www.ecs.soton.ac.uk/people/tdh"
  - name: "David Mott"
    link: "https://researchr.org/alias/david-mott"
  - name: "Katia Sycara"
    link: "http://www.cs.cmu.edu/~sycara/"
  - name: "Dave Braines"
    link: "https://researchr.org/alias/dave-braines"
  - name: "Michael Strub"
    link: "https://researchr.org/alias/michael-strub"
  - name: "Winston Sieck"
    link: "https://researchr.org/alias/winston-sieck"
  - name: "Nigel R. Shadbolt"
    link: "http://users.ecs.soton.ac.uk/nrs/"
  year: "2009"
  month: "September"
  abstract: "Shared understanding is commonly seen as essential to the success of coalition operations, and current research efforts are attempting to develop techniques and technologies to improve shared understanding in military coalition contexts. In spite of this, our understanding of what the term ?shared understanding? actually means is surprisingly poor. In part, this problem is attributable to the difficulty in comprehending the true nature of understanding itself, although confusions also arise about the precise nature of the differences between shared understanding and ostensibly similar constructs, such as shared mental models and shared situation awareness. In this paper, we attempt to improve our understanding of shared understanding by exploring the nature of understanding, situation awareness and mental models. Following Wittgenstein, we suggest that understanding is best conceived of as something akin to an ability, and shared understanding is, we suggest, best conceived of as the sharing of individual forms of understanding by multiple agents. We further suggest that mental models may provide a mechanistic realization for some of the performances that manifest understanding, and that situation awareness should best be seen as a particular kind of understanding, namely a dynamic form of situational understanding. In addition to discussing the nature of understanding and shared understanding, we also discuss their potential relevance to military coalition operations. We propose that shared understanding is important to coalition operations because it contributes to improvements in coalition performance, the optimal use of limited communication assets, and an improved sense of group cohesion, group solidarity and mutual trust."
  links:
    "ecs eprints": "http://eprints.ecs.soton.ac.uk/17704/"
  tags:
  - "meta-model"
  - "context-aware"
  - "Meta-Environment"
  researchr: "https://researchr.org/publication/SmartHMSBSSS09"
  cites: 0
  citedby: 0
  booktitle: "3rd Annual Conference of the International Technology Alliance (ACITA'09)"
  kind: "inproceedings"
  key: "SmartHMSBSSS09"
- title: "Developing an Integrated Trust and Reputation Model for Open Multi-agent Systems"
  author:
  - name: "Trung Dong Huynh"
    link: "www.ecs.soton.ac.uk/people/tdh"
  - name: "Nicholas R. Jennings"
    link: "http://users.ecs.soton.ac.uk/nrj/"
  - name: "Nigel R. Shadbolt"
    link: "http://users.ecs.soton.ac.uk/nrs/"
  year: "2004"
  abstract: "Trust and reputation are central to effective interactions in open multi-agent systems in which agents, that are owned by a variety of stakeholders, can enter and leave the system at any time. This openness means existing trust and reputation models cannot readily be used. To this end, we present FIRE, a trust and reputation model that integrates a number of information sources to produce a comprehensive assessment of an agent?s likely performance. Specifically, FIRE incorporates interaction trust, role-based trust, witness reputation, and certified reputation to provide a trust metric in most circumstances. FIRE is empirically benchmarked and is shown to help agents effectively select appropriate interaction partners."
  links:
    "ecs eprints": "http://eprints.ecs.soton.ac.uk/9557/"
  tags:
  - "empirical"
  - "rule-based"
  - "agent based modeling"
  - "meta-model"
  - "modeling"
  - "source-to-source"
  - "object-role modeling"
  - "reputation"
  - "information models"
  - "Meta-Environment"
  - "open-source"
  researchr: "https://researchr.org/publication/HuynhJS04trust"
  cites: 0
  citedby: 0
  booktitle: "7th International Workshop on Trust in Agent Societies"
  kind: "inproceedings"
  key: "HuynhJS04trust"
- title: "FIRE: An Integrated Trust and Reputation Model for Open Multi-Agent Systems"
  author:
  - name: "Trung Dong Huynh"
    link: "www.ecs.soton.ac.uk/people/tdh"
  - name: "Nicholas R. Jennings"
    link: "http://users.ecs.soton.ac.uk/nrj/"
  - name: "Nigel R. Shadbolt"
    link: "http://users.ecs.soton.ac.uk/nrs/"
  year: "2004"
  abstract: "Trust and reputation are central to effective interactions in open multi-agent systems in which agents, that are owned by a variety of stakeholders, can enter and leave the system at any time. This openness means existing trust and reputation models cannot readily be used. To this end, we present FIRE, a trust and reputation model that integrates a number of information sources to produce a comprehensive assessment of an agent's likely performance. Specifically, FIRE incorporates interaction trust, role-based trust, witness reputation, and certified reputation to provide a trust metric in virtually all circumstances. FIRE is empirically benchmarked and is shown to help agents effectively select appropriate interaction partners."
  tags:
  - "empirical"
  - "rule-based"
  - "agent based modeling"
  - "meta-model"
  - "modeling"
  - "source-to-source"
  - "object-role modeling"
  - "reputation"
  - "information models"
  - "Meta-Environment"
  - "open-source"
  researchr: "https://researchr.org/publication/HuynhJS04"
  cites: 0
  citedby: 0
  pages: "18-22"
  booktitle: "ecai"
  kind: "inproceedings"
  key: "HuynhJS04"