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Internet systems are a typical scenario where sequences of interactions arise. Modeling the factors that drive the dynamics of an online auction, for example, is complex, since successive interactions become a loop-feedback mechanism, that we call reactivity, that is, the user behavior affects the auction negotiation and vice-versa. In this paper we briefly describes our methodology for characterizing...
In the development of virtual communities, a new phenomenon of virtual money is observed and presented high importance to both e-commerce and e-society fields. This paper, as a pioneer research, has attempted to make a phenomenal analysis on the existing virtual money systems. By the analysis, this paper has defined what virtual money is, what its general models are, and how its existing systems work...
To keep an overview on complex e-commerce collaborations several models are used to describe them. When models overlap in describing a collaboration, the overlapping information should not contradict. Models are of different nature and maintained by different people. Therefore, keeping model-overlap contradiction-free is challenging. In this paper we propose a novel approach for maintaining models...
Trust is a critical issue in e-commerce and e-service environments. Some applications (such as eBay) have introduced various trust management mechanisms to provide valuable information to buyers prior to placing orders and making payments. While trust has been actively studied in the research community, some malicious sellers and fraudulent transactions still widely exist. A typical attack is to entice...
Reverse pricing as a special form of dynamic pricing has become a growing interest in e-commerce. It gives buyers an active role: The price of a transaction is not given by the supplier, but is mainly determined by the buyer's bid. This paper extends the coverage of current reverse pricing models to sourcing. The reason is that sourcing strategies, such as global, local, and multiple sourcing, greatly...
Online buyer coalition formation problem is an application of e-commerce and distributed agent technology. So far, most works in this topic are social utility based approaches, which assume the agents' utilities to be transferable and publicly known. However, such assumptions are not valid in many software agents applications where agents beliefs are private, and stability is often a more important...
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