A reputation-based model for semi-competitive multi-agent systems

Reputation Model with Forgiveness Factor for Semi-competitive E-Business Agent Societies

“…A transaction involves signing and carrying out a contract between two agents. Based on societies and following proposal of [4], we define four types of reputation measures.…”

“…Traditionally, reputation is evaluated by collecting feedback during history of previous interactions between business partners [1], [2]. There are many approaches for modeling and evaluation of reputation in agent systems, ranging from simple rating methods to more complex mathematical models based on graphs or sophisticated uncertainty or logic models ( [3], [4], [5]).…”

“…In our proposal we model e-business as a semi-competitive environment where agents will have to decide if to engage or not in e-business transactions with a given partner [4]. Their decision is taken based on reputation of the potential partners, i.e.…”

“…We consider two societies: buyer society and seller society. With respect to these two societies, following an initial proposal from [4], depending on the sources of information that we use for computing reputation, we define four types of reputation: (i) direct reputation of a given seller for a given buyer; (ii) direct reputation of a given buyer for a given seller; (iii) reputation of given seller for buyers' society; (iv) reputation of sellers' society for given buyer. Direct reputations (i.e.…”

Enhanced Reputation Model with Forgiveness for E-Business Agents

“…In our proposal we model e-business as a semi-competitive environment where agents will have to decide if to engage or not in e-business transactions with a given partner (Foued et al, 2009). Their decision is taken based on reputation of the potential partners, i.e., the higher partner's reputation is then the higher is considered the agent's utility (i.e., the agent will benefit more) by engaging with that partner.…”