Abstract
Existing e-marketplaces, built on traditional client-server architectures, severely restrict the scope and dynamics of B2B interactions. Peer-to-peer (P2P) architectures will provide far more decentralised infrastructures, white allowing a much wider range of business patterns to take place. The purpose of this paper is twofold: (1) to argue that interaction over a P2P network better resembles the way enterprises perform business with each other, and (2) to point out a set of essential services required it) make P2P infrastructures fit for B2B exchanges. An overview of those services is presented, based on one of the leading P2P platforms (JXTA).

Abstract
Within the scope of virtual and networked enterprises, this paper introduces a novel methodology for the integration of quality management into enterprise modeling and allowing for quality certification of the whole enterprise. The ISO 9001:2000 standard is presented as an interesting starting point for the virtual enterprise quality management system implimentation. Quality management systems certification within the scope of ISO 10011 (or even ISO FDIS 19011) is however quite a difficult task. An alternative scenario for certification is therefore proposed.

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This paper presents the result of a research project. In the course of this project we demonstrated the application of business process management concepts in the extended construction enterprise, by using a Workflow Management System. The civil construction enterprise presents, usually, a distributed organisational structure (strategic enterprise, construction sites, warehouses, head-offices, etc.), and operates in a transient and variable environment, according to the collection of works in progress. A common scenario is the construction process that involves the co-ordination of many smaller firms (subcontractors), normally coordinated by one contractor. In this context, the paper starts with the presentation of the civil construction enterprise, by briefly describing the organisational, functional and process models, and concentrates its discussion in the supply chain business process. The rationale for this process is further presented based on so-called construction enterprise basic building block, capable of being replicated for each construction entity. Follows the presentation of a prototype illustrating the above concepts and demonstrating the value added of such approach. Workflow technology will definitely become the cornerstone technology to support 13213 E-Business scenarios in areas such as Construction. In this paper we will further discuss this topic by bringing new construction enterprise requirements in the event of such as the usage of new mobile terminals such as UMTS, PDAs, and so on.