Alexandre Gachet

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Many mission-critical, decision-making situations happen in dynamic, rapidly changing, and often unpredictable distributed environments. Military, governmental, and medical contexts are examples of such situations, which can be characterized by highly decentralized, up-to-date data sets coming from various sources. Unlike other decision-making tools, DSS(More)
Traditional companies used to be authoritarian and built around hierarchical organizational charts. Facing more dynamic environments in recent history, many companies experimented with newer forms of organization, usually cutting down long decision paths and fostering lean structures able to react to rapid changes in the marketplace. One crucial difference(More)
Traditional companies used to be authoritarian and built around hierarchical organizational charts. Facing more dynamic environments in recent history, many companies experimented with newer forms of organization, usually cutting down long decision paths and fostering lean structures able to react to rapid changes in the marketplace. We believe that the(More)
As peer-to-peer computing finally reaches a critical mass, it triggers changes in the IT landscape that traditional network infrastructures, based on centralized, client/server topologies, cannot manage. Consequently, the ad hoc, self-organized, and loosely controlled nature of peer-to-peer networks needs to be supported by a new coordination layer(More)
1 Traditional companies used to be authoritarian and built around hierarchical organizational charts. Facing more dynamic environments in recent history, many companies experimented with newer forms of organization, usually cutting down long decision paths and fostering lean structures able to react to rapid changes in the marketplace. We believe that the(More)
In one grain of corn, there lieth dormant a virtuality of many others. Sir T. Browne (1649). 1 This paper is a concept paper that relates to the theme " Virtual Environments for Advanced Modeling " (VEAM) of the IFIP Workgroup 7.6. Abstract In this concept paper, we advocate for a paradigm shift in computational modeling. Advanced modeling should conceive(More)