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This paper deals with the collaborative decision making induced or facilitated by Information and Communication Technologies (ICTs) and their impact on decisional systems. After presenting the problematic, we analyse the collaborative decision making and define the concepts related to the conditions and forms of collaborative work. Then, we explain the mechanisms of collaborative decision making with the specifications and general conditions of collaboration using the modelling formalism of the GRAI method. Each specification associated to the reorganisation of the decisional system caused by the collaboration is set to the notion of decision-making centre. Finally, we apply this approach to the e-maintenance field, strongly penetrated by the ICTs, where collaborations are usual. We show that the identified specifications allow improving the definition and the management of collaboration in e-maintenance.

Les activités de maintenance ont subi de profondes évolutions, suite à l'arrivée des Technologies d'Information et de Communication (TIC). Nous proposons dans cet article une démarche d'évaluation des performances d'une solution de e-maintenance. L'étude est centrée sur le déploiement des ressources de maintenance, plus particulièrement sur les ressources immatérielles (connaissances et compétences) rendues accessibles par le eservice. Nous modélisons d'abord les situations étudiées dans un contexte multiacteur et multimodèle. Nous proposons ensuite une approche de caractérisation des ressourcesimmatérielles en intégrant un aspect quantitatif et un aspect qualitatif. Enfin, avant de conclure, nous donnons une première exploitation des indicateurs clefs au niveau de la répartition des connaissances nécessaires à l'obtention d'une intervention de qualité.

Given the popularity of industrial enterprises for Product Lifecycle Management (PLM) information systems capable of supporting the entire product development process, we see the emergence of new needs and new research directions in the operation of these dynamic complex environments. Reference standards are applicable to the services and industries which bring innovation and technologies to a fastgrowing and demanding market. To obtain perfect control of business risks and performance and to ensure "zero defect", standards specific to the fields of transport, emergency (IRIS IN 9100. . .) and generic standards (ISO 9001. . .) are more restrictive. They involve full transparency and rigor in flawless quality management processes and monitoring products. In this field, knowledge management is paramount; it helps improve overall performance of industrial systems by structuring the information assets acquired by the company stakeholders. In a way, it is the substantive development of our research. We detailed the approach adopted to implement the Experience Feedback (EF) system dedicated to the product in the PLM business. We presented a first action with the objective of formalizing the implicit experiences generated following the response to a triggering event. In this work, we mainly considered negative events for which the information to be collected are clearly identified. We propose an approach combining Problem Solving and EF adapting the level of commitment to the criticality or importance of the problem addressed. To instantiate this approach in PLM, we have chosen to rely on the Change Management Process (CMP) because, firstly, it involves changes in product data and, secondly, it usually concerns driving developments for correction or improvement of the technical specifications related to the production process.

The management of risks has been at the heart of most construction projects. Building Information Modelling (BIM) provides opportunities to manage risks in construction projects. However, studies about the use of BIM in risk management are sketchy with a lack of a systematic approach in using BIM for managing risk in construction projects. Based on existing risk models, this study investigated and developed a BIM-based framework for the management of construction project scheduling risk. Although, the frameworks were developed by mining risk management processes from Synchro and Vico, both being amongst leading 4D/5D BIM software systems, they can inform risk management in BIM projects that are supported by 4D/5D BIM software systems that contain risk management modules. The frameworks were validated for their syntactic and semantic correctness.

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