27,160 research outputs found

    Internet enabled modelling of extended manufacturing enterprises using the process based techniques

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    The paper presents the preliminary results of an ongoing research project on Internet enabled process-based modelling of extended manufacturing enterprises. It is proposed to apply the Open System Architecture for CIM (CIMOSA) modelling framework alongside with object-oriented Petri Net models of enterprise processes and object-oriented techniques for extended enterprises modelling. The main features of the proposed approach are described and some components discussed. Elementary examples of object-oriented Petri Net implementation and real-time visualisation are presented

    Creating new stories for praxis: navigations, narrations, neonarratives

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    This paper considers differing understandings about the role and praxis of studio-based research in the visual arts. This is my attempt to unpack this nexus and place it in a context of credibility for our field. Jill Kinnear (2000) makes the point that visual research deals with and intensifies elements of research and language that have always been part of the practice of an artist. Presented is a way to conceptualise and explain what we can do as researchers in the visual arts. I am recontextualizing notions of research, looking at the resemblances, the self-resemblances and the differences between traditional and visual research methods as a logic of necessity. I am investigating how we can decode and recode what we do in the language of appropriation and bricolage. In mapping the processes and territories, I am interested in the use of autobiography as a way to incorporate a deep sense of the intricate relationships of the meaning and actions of artistic practice and its embeddedness in cultural influences, personal experience and aspirations (Hawke 1996:35). This is a study that explores possible parameters for visual research, questioning in what sense is it the best way to understand our relationship with traditional research fields

    Technical Change and Industrial Dynamics as Evolutionary Processes

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    This work prepared for B. Hall and N. Rosenberg (eds.) Handbook of Innovation, Elsevier (2010), lays out the basic premises of this research and review and integrate much of what has been learned on the processes of technological evolution, their main features and their effects on the evolution of industries. First, we map and integrate the various pieces of evidence concerning the nature and structure of technological knowledge the sources of novel opportunities, the dynamics through which they are tapped and the revealed outcomes in terms of advances in production techniques and product characteristics. Explicit recognition of the evolutionary manners through which technological change proceed has also profound implications for the way economists theorize about and analyze a number of topics central to the discipline. One is the theory of the firm in industries where technological and organizational innovation is important. Indeed a large literature has grown up on this topic, addressing the nature of the technological and organizational capabilities which business firms embody and the ways they evolve over time. Another domain concerns the nature of competition in such industries, wherein innovation and diffusion affect growth and survival probabilities of heterogeneous firms, and, relatedly, the determinants of industrial structure. The processes of knowledge accumulation and diffusion involve winners and losers, changing distributions of competitive abilities across different firms, and, with that, changing industrial structures. Both the sector-specific characteristics of technologies and their degrees of maturity over their life cycles influence the patterns of industrial organization ? including of course size distributions, degrees of concentration, relative importance of incumbents and entrants, etc. This is the second set of topics which we address. Finally, in the conclusions, we briefly flag some fundamental aspects of economic growth and development as an innovation driven evolutionary process.Innovation, Technological paradigms, Technological regimes and trajectories, Evolution, Learning, Capability-based theories of the firm, Selection, Industrial dynamics, Emergent properties, Endogenous growth

    Simulating Online Business Models

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    The online content market for news and music is changing rapidly with the spread of technology and innovative business models (e.g. the online delivery of music, specialised subscription news services). It is correspondingly hard for suppliers of online content to anticipate developments and the effects of their businesses. The paper describes a prototype multiagent simulation to model possible scenarios in this market. The simulation is intended for use by business strategists and has been developed using a participatory, rapid prototyping methodology. The implications of the method and the characteristics of the domain for the design are considered.agent-based modelling, market simulation
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