Sustainability of systems interoperability in dynamic business networks

Dissertação para obtenção do Grau de Doutor em Engenharia Electrotécnica e de ComputadoresCollaborative networked environments emerged with the spread of the internet, contributing to overcome past communication barriers, and identifying interoperability as an essential property to support businesses development. When achieved seamlessly, efficiency is increased in the entire product life cycle support. However, due to the different sources of knowledge, models and semantics, enterprise organisations are experiencing difficulties exchanging critical information, even when they operate in the same business environments. To solve this issue, most of them try to attain interoperability by establishing peer-to-peer mappings with different business partners, or use neutral data and product standards as the core for information sharing, in optimized networks. In current industrial practice, the model mappings that regulate enterprise communications are only defined once, and most of them are hardcoded in the information systems. This solution has been effective and sufficient for static environments, where enterprise and product models are valid for decades. However, more and more enterprise systems are becoming dynamic, adapting and looking forward to meet further requirements; a trend that is causing new interoperability disturbances and efficiency reduction on existing partnerships. Enterprise Interoperability (EI) is a well established area of applied research, studying these problems, and proposing novel approaches and solutions. This PhD work contributes to that research considering enterprises as complex and adaptive systems, swayed to factors that are making interoperability difficult to sustain over time. The analysis of complexity as a neighbouring scientific domain, in which features of interoperability can be identified and evaluated as a benchmark for developing a new foundation of EI, is here proposed. This approach envisages at drawing concepts from complexity science to analyse dynamic enterprise networks and proposes a framework for sustaining systems interoperability, enabling different organisations to evolve at their own pace, answering the upcoming requirements but minimizing the negative impact these changes can have on their business environment

Applying Enterprise Models to Design Cooperative Scientific Environments

Scientific experiments are supported by activities that create, use, communicate and distribute information whose organizational dynamics is similar to processes performed by distributed cooperative enterprise units. On this premise, the aim of this paper is to apply existing enterprise models and processes for designing cooperative scientific experiments. The presented approach assumes the Service Oriented Architecture as the enacting paradigm to formalize experiments as cooperative services on various computational nodes of a network. Specifically, a framework is proposed that defines the responsibility of e-nodes in offering services, and the set of rules under which each service can be accessed by e-nodes through service invocation. By discussing a representative case study, the paper details how specific classes of experiments can be mapped into a service-oriented model whose implementation is carried out in a prototypical scientific environm

Applying Enterprise Models to Design Cooperative Scientific Environments

none2M. Fugini; D. LiberatiFugini, Mariagrazia; D., Liberat