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One of the challenges in SOA is to provide an efficient and effective way to select compatible Web service(s) and compose them into a functional service process that satisfies a user's needs. Moreover, the Web services(s) selected may be integrated with structures such as branches and merges to fulfill a task. This paper describes our system architecture and strategies on Web services composition...
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...
Electronic commerce mechanisms are mainly investigated in two independent research areas: service-oriented computing (SOC) and multi-agent systems. The former as a means to deliver electronic services of various granularity and the latter as a testbed of electronic negotiation mechanisms. However, both research areas heavily rely on each other. On the one hand, service-oriented architectures need...
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...
The following topics are dealt with: enterprise computing; e-commerce privacy and security; e-service; resource management; media management; business collaboration and semantic Web service composition.
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...
It is the responsibility of an e-commerce provider to provision resources to ensure that the performance of the services provided by an e-commerce application is acceptable. A quantitative estimate of the performance expected from the site, obtained from the expected workload imposed on the application, may allow the provider to make informed decisions with respect to the right level of resources...
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...
Electronic commerce has provided retailers with effective instruments to deploy one-to-one marketing over the internet. While the increasing use of sensors, RFID tags and other technologies enables the deployment of one-to-one marketing also in stationary retail stores, ini-tial experiments in realizing personalization in this setting have shown that customers' acceptance is low, as services require...
A main challenge in mobile commerce is to make it possible for users to manage their transaction histories from both online e-commerce transactions and in-person transactions. Such histories are typically useful to build credit or to establish trust based on past transactions. In this paper we propose an approach to manage electronic receipts on cellular devices by assuring their secure and privacy-preserving...
Grid technology denotes a computing paradigm in which computing resources are shared across geographical and administrative boundaries. Market-based mechanisms are deemed promising to provide a better fit to grids' strategic and dynamic nature than classic technical schedulers. In this paper, we present a deterministic heuristic that achieves the distinct trade-off between scalability by approximation...
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