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The diversity of negotiation types in e-commerce calls for a clear description of the rules that govern them. The participant has to know the rules before engaging in a negotiation, and to this end, a formalism is needed which allows for the serialization and visualization of the rules. Furthermore, this formal description should be executable, in order to(More)
Most of today's e-marketplaces support a single negotiation protocol. The protocol is usually built into the e-marketplace infrastructure, therefore if a new protocol is introduced then a time consuming and complex process of implementing it takes place. Moreover, participants in the e-marketplace need to adapt their interfaces to the new protocol,(More)
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(More)
1 Workflows (Wfs) are a major enabling technology for e-commerce. In our research, a Combined Negotiation (CN) is modeled and enacted using Wf technology. The model-ing task captures the sequencing of the individual negotiations as well as the dependencies between them, and the enacting task runs the model. A CN support system (CONSENSUS) is used by the(More)
One problem with existing agent-mediated negotiation systems is that they rely on ad hoc, static, non-adaptive, and hardcoded schemes to represent the behavior of agents. This limitation is probably due to the complexity of the negotiation task itself. Indeed, while negotiating, software (human) agents face tough decisions. These decisions are based not(More)
E-Negotiation is the process of conducting negotiations between business partners using electronic means. The interest in e-negotiation is motivated by its potential to provide business partners with more efficient processes, enabling them to draft better contracts in less time. Most of today's e-marketplaces support some form of e-negotiation. Numerous(More)
In a combined negotiation in e-commerce, 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 negotiation technology, the user conducts each negotiation separately,(More)