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A survey of trust and reputation systems for online service provision
, 2005
"... Trust and reputation systems represent a significant trend in decision support for Internet mediated service provision. The basic idea is to collect information about potential service providers in order to select the most reliable and trustworthy provider of services and information and to avoid th ..."
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Cited by 632 (15 self)
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Trust and reputation systems represent a significant trend in decision support for Internet mediated service provision. The basic idea is to collect information about potential service providers in order to select the most reliable and trustworthy provider of services and information and to avoid the less trustworthy. A natural side effect is that it also provides an incentive for good behaviour and therefore tends to have a positive effect on market quality. Reputation systems can be called collaborative sanctioning systems to reflect their collaborative nature, and are related to collaborative filtering systems. Reputation systems are already being used in successful commercial online applications. There is also a rapidly growing literature around trust and reputation systems, but unfortunately this activity is not very coherent. The purpose of this paper is to give an overview of existing and proposed systems that can be used to derive measures of trust and reputation for Internet transactions, to analyse the current trends and developments in this area, and to propose a research agenda for trust and reputation systems.
Towards a structured design of electronic negotiations
- GROUP DECISION AND NEGOTIATION
, 2003
"... Global communication networks and advances in information technology enable the design of information systems facilitating effective formulation and efficient resolution of negotiation problems. Increasingly, these systems guide negotiators in clarifying the relevant issues, provide media for offer ..."
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Cited by 50 (11 self)
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Global communication networks and advances in information technology enable the design of information systems facilitating effective formulation and efficient resolution of negotiation problems. Increasingly, these systems guide negotiators in clarifying the relevant issues, provide media for offer formulation and exchange, and help in achieving an agreement. In practice, the task of analysing, modelling, designing and implementing electronic negotiation media demands a systematic, traceable and reproducible approach. An engineering approach to media specification and construction has these characteristics. In this paper, we provide a rationale for the engineering approach that allows pragmatic adoption of economic and social sciences perspectives on negotiated decisions for the purpose of supporting and undertaking electronic negotiations. Similarities and differences of different theories that underlie on-going studies of electronic negotiations are identified. This provides a basis for integration of different theories and approaches for the specific purpose of the design of effective electronic negotiations. Drawing on diverse streams of literature in different fields such as economics, management, computer, and behavioural sciences, we present an example of an integration of three significant streams of theoretical and applied research involving negotiations, traditional auctions and on-line auctions.
Protecting mobile agents against malicious hosts by intention of spreading
- Proc. Int. Conf. on Parallel and Distributed Processing and Applications (PDPTA’99) Vol. II
, 1999
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Combined Negotiations in E-Commerce: Concepts and Architecture
- Electronic Commerce Research Journal
, 2001
"... Abstract. Combined Negotiations are a novel and general type of negotiation, in which the user is interested in many goods or services and consequently engages in many negotiations at the same time. The negotiations are independent of each other, whereas the goods or services are typically interdepe ..."
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Cited by 23 (7 self)
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Abstract. Combined Negotiations are a novel and general type of negotiation, in which the user is interested in many goods or services and consequently engages in many negotiations at the same time. The negotiations are independent of each other, whereas the goods or services are typically interdependent. Using currently available technology for electronic negotiations, the user conducts each negotiation separately, and has the burden of coordinating and reconciling them. The inherent complexity of combined negotiations in B2C as well as B2B e-commerce calls for software support. In our research, we aim to devise a Combined Negotiation Support System (CNSS) to help the user conduct all the negotiations at the same time. The CNSS enables the user to control and monitor the progress of the negotiations, makes sure that the specified dependencies are respected, and applies user-defined strategy rules. We have designed such a CNSS which we call CONSENSUS. The architecture of CONSENSUS relies on workflow technology, negotiating software agents, and rule engine technology. The originality of this architecture lies in the fact that the user of CONSENSUS models the combined negotiation at build time using a workflow that captures the sequencing of the individual negotiations and the dependencies between them. At runtime, software agents are assigned to individual negotiations, and they participate in the combined negotiation as actors in the workflow. The user can monitor the progress of the combined negotiation as a whole, and the progress of individual negotiations
Normative Agent Reasoning in Dynamic Societies
- Third International Joint Conference on Autonomous Agents and Multiagent Systems - Volume
, 2004
"... Several innovative software applications such as those required by ambient intelligence, the semantic grid, e-commerce and e-marketing, can be viewed as open societies of heterogeneous and self-interested agents in which social order is achieved through norms. For agents to participate in these kind ..."
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Cited by 22 (3 self)
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Several innovative software applications such as those required by ambient intelligence, the semantic grid, e-commerce and e-marketing, can be viewed as open societies of heterogeneous and self-interested agents in which social order is achieved through norms. For agents to participate in these kinds of societies, it is enough that they are able to represent and fulfill norms, and to recognise the authority of certain agents. However, to voluntarily be part of a society or to voluntarily leave it, other characteristics of agents are needed. To find these characteristics we observe that on the one hand, autonomous agents have their own goals and, sometimes, they act on behalf of others whose goals must be satisfied. On the other, we observe that by being members, agents must comply with some norms that can be in clear conflict with their goals. Consequently, agents must evaluate the positive or negative effects of norms on their goals before making a decision concerning their social behaviour. Providing a model of autonomous agents that make this kind of norm reasoning is the aim of this paper. 1.
The role of trust and deception in virtual societies
- in Proceedings of the 34 th Annual Hawai’i International Conference on Systems Science, Maui, Hawaii, IEEE Computer
, 2001
"... ABSTRACT: In hybrid situations where artificial agents and human agents interact, the artificial agents must be able to reason about the trustworthiness and deceptive actions of their human counterpart. Thus a theory of trust and deception is needed that will support interactions between agents in v ..."
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Cited by 22 (0 self)
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ABSTRACT: In hybrid situations where artificial agents and human agents interact, the artificial agents must be able to reason about the trustworthiness and deceptive actions of their human counterpart. Thus a theory of trust and deception is needed that will support interactions between agents in virtual societies. There are several theories on trust (fewer on deception!), but none that deals specifically with virtual communities. Building on these earlier theories, the role of trust and deception in virtual communities is analyzed, with examples to illustrate the objectives a theory of trust should fulfill. KEY WORDS AND PHRASES: Deception, multiagent systems, trust, virtual society. The inhumanity of the computer is in the fact that once programmed and put to work, it behaves in a perfectly honest way. —Isaac Asimov Trust and Deception in Artificial Agents and Societies Electronic commerce can only succeed if the general public trusts the virtual environment. Trust, therefore, is an important issue [20, 25, 29, 44]. As is well
Recovery Guarantees for General Multi-Tier Applications. In
- Proc IEEE ICDE,
, 2002
"... Abstract ..."
Knowledge provenance: An approach to modeling and maintaining the evolution and validity of knowledge
, 2003
"... www.eil.utoronto.ca ..."
Exchanges for Complex Commodities: Search for Optimal Matches
, 2002
"... The internet has opened opportunities for efficient on-line markets, which currently include bulletin boards and auctions, as well as exchanges for... ..."
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Cited by 15 (3 self)
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The internet has opened opportunities for efficient on-line markets, which currently include bulletin boards and auctions, as well as exchanges for...
