Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 99 for “"open systems"”.
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Open systems : feasibility and uses
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1999.
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Open Systems in Practice and Theory
… explain how and why large-scale, participatory systems that are open to volunteer contribution are becoming important in our time. The cases include: (1) Linux, a free computer operating system, that is disrupting proprietary software models (2) BiOS, an initiative that aims to import …
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Automated Trust Establishment in Open Systems
Without proper protection, an access control policy itself might reveal sensitive information unintentionally. To remedy this problem, we propose a unified scheme for resource protection in ATN. This scheme treats policies as first-class resources, which can themselves be protected by policies. …
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Morphisms of networks of hybrid open systems
… develops a theory of networks of hybrid open systems and morphisms. This theory builds upon a framework of networks of continuous-time open systems as product and interconnection. We work out categorical notions for hybrid systems, deterministic hybrid systems, hybrid open systems, …
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Government Open Systems Interconnection Profile (GOSIP) transition strategy
This thesis analyzes the Government Open Systems Interconnection Profile (GOSIP) and the requirements of the Federal Information Processing Standard (FIPS) Publication 146-1. It begins by examining the International Organization for Standardization (ISO) Open Systems Interconnection (OSI) …
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Preserving Trust Across Multiple Sessions in Open Systems
Trust negotiation, a new authentication paradigm, enables strangers on the Internet to establish trust through the gradual disclosure of digital credentials and access control policies. Previous research in trust negotiation does not address issues in preserving trust across multiple sessions. This …
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Many-body entangled dynamics of closed and open systems for quantum simulators
… revolves around the simulation of such quantum systems and, thus, it has some direct connections to this intriguing new wave of technology. Our focus is shifted toward the side of quantum simulators, which use quantum systems to investigate a specific research question, e.g., predicting the …
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Error-suppression by energy-gap protection for quantum computation in open systems
… (not necessarily adiabatic) quantum evolution in open system, and provides analytic bounds on the necessary energy penalty magnitude to achieve good protection. Evidence from numerical simulation is also given to demonstrate the practical usefulness of energy-gap protection for fault-tolerant …
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Conceptual design of a network architecture for a typical manufacturing information system using open systems integration
… organization can use the methodology of open systems integration to upgrade the design of the network architecture for their manufacturing information system. In upgrading the design of their manufacturing information system's network architecture, a limited application of the system …
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Modeling the Non-equilibrium Phenomenon of Diffusion in Closed and Open Systems at an Atomistic Level Using Steepest-Entropy-Ascent Quantum Thermodynamics
… the transient and steady-state model for an open system in which oxygen diffuses through a tin anode. The two forms of the SEAQT equation of motion are used. The first, which only involves a dissipation term, is applied to the state evolution of the isolated system as its state relaxes from …
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Rationalized structural systems for diverse applications
… Europe and developing countries, concrete panel systems were gradually established as the primary building prefabrication method. However, concrete panel buildings demonstrated in time resistance to change, lack of adaptability to diverse sites and contexts and inefficiency in the use of the …
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A Comparative Study of Marxism and Critical Realism
… This critique presupposes a distinction between open systems and closed systems. Because critical realism is ambiguous about the definition of open systems and closed systems, its critique of mainstream economics is questionable. In addition, a critical realist methodology is compatible with …
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Computational and Experimental Studies of Coherence and Energy Flow in Microscopic and Mesoscopic Systems
… silicon surfaces is another process in which an open systems approach is appropriate. Therefore, we adopt a master equation model previously applied to this problem, and propose resonant IR overtone excitation of the surface Si-H vibration as a method for enhancing desorption rates. Finally, we …
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Integrated Marketing Communications (IMC) Variables that Influence Perceived Return on Investment (ROI) in higher education: Chief Marketing Officers' perceptions
… Communications (IMC) implementation, level of open systems and change in state appropriations on perceived return on investment (ROI) in U.S. public higher education institutions (HEIs). Designed to provide HEI leaders with data to more accurately determine the best IMC resource allocations, …
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Softbridge : a socially aware framework for communication bridges over digital divides
… stack abstraction supplements the established Open Systems Interconnect model with a collection of technical layers clustered around 'people' issues. The Softbridge stack aligns the technological design of communication systems with awareness of social factors characteristic of developing …
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A Variational Formulation Describing the Attractors of Some Open, Dissipative, Electromechanical Systems
Submitted by Jesse Garrison (jagarris@illinois.edu) on 2012-01-13T18:32:34Z No. of bitstreams: 1 1997_dueweke.pdf: 2541154 bytes, checksum: c57cedd3fd08e4e236d205f829780758 (MD5)
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Firmware and gateway for the ACE1 reconfigurable accelerator card
… of alternatives for each of the layers in the Open Systems Interconnect networking model.
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Performance evaluation of packet video transfer over local area networks
… is performed by the higher layers of the Open Systems Interconnection (OSI) reference model, while the lower layers provide real-time services. Implementation methods are discussed for coding schemes, including data compression, the network interface unit, and the underlying local area …
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Understanding community changes in ecological systems: a probabilistic and geometric perspective
… and predicting community changes in ecological systems represent fundamental challenges in science and engineering, particularly in systems subject to constant environmental perturbations (e.g., natural, in vivo, and in situ environments). Consequently, a central goal of ecological research has …
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Controllability of Open Quantum Optical Systems: Photon Fock States in a Cavity
… been a significant interest in using optical systems to control quantum phenomena. A major barrier to controllability of quantum optical systems is the fact that the systems are usually innite dimensional open systems, two cases which have mostly negative controllability results. This thesis …
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