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 443 for “"modeling framework"”.
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Formal Specification of the Moebius Modeling Framework
In this thesis, we describe the Mobius framework and illustrate its usefulness by showing mappings from many formalisms into the framework. We also address some fundamental issues in the field of modeling of discrete-event systems, namely an efficient well-specified checker and a general, …
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Noisy language modeling framework using neural network techniques
… develops a novel intermediate layer language modeling framework called ALMIL (i. e. Adaptive Language Modelling Intermediate Layer) which is seen as a communication language layer between human and computer to analyze noisy language stream and provide users with two fundamental functions, …
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Large-scale Process-based Urban Hydrological Modeling Framework
… the necessity of a comprehensive and scalable framework for planning and assessing potential vulnerabilities. This dissertation addresses these challenges by introducing a novel, physically-based urban modeling framework designed to simulate urban runoff generation and routing across natural …
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Performance modeling framework for SLO-driven MapReduce environments
… efficient workload management and performance modeling tools are needed. Our hypothesis is that performance modeling of MapReduce environments through a combination of measurement, simulation, and analytical modeling for enabling different service level objectives is feasible, novel, and …
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A Prediction Modeling Framework For Noisy Welding Quality Data
… In this research, we propose a prediction modeling framework, which employs bootstrap aggregating (bagging) with support vector regression (SVR) as the base learning algorithm to improve the prediction accuracy on such noisy data. Optimal hyper-parameters for SVR are selected by particle …
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Simulation debugging and visualization in the Mobius modeling framework
… results from current tools, including the Mobius modeling framework, which provides a powerful, formalism-independent, discrete-event simulator that outputs static results such as execution traces. The Mobius Simulation Debugger and Visualization (MSDV) feature adds user interaction to running …
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A General Modeling Framework for Cost Benefit Analysis of Remanufacturing
… we considered “remanufacturing” and developed a modeling framework for its cost benefit analysis. Our modeling framework focuses on the profitability of remanufacturing as it is a key motivating factor for remanufacturing the used product.<p>This modeling framework consists of three phases: take …
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Field and Modeling Framework for Evaluating Truck Weigh Station Operations
… gross vehicle accuracy and develops a field and modeling framework for evaluating weigh station operations. The WIM scale operation at the Stephens City weigh station in Virginia is examined to demonstrate how the field and modeling framework can be applied to evaluate the operation of a weigh …
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Understanding Public Library Services and Use: A Structural Equation Modeling Framework
<p>This dissertation describes the process of fitting publicly available data from the 2015 Public Libraries Survey and 2015 American Community Survey to a structural equation model based on a theory of action for public libraries relating operating revenue to latent factors measuring service …
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Development of a Microscopic Emission Modeling Framework for On-Road Vehicles
… to fill this gap in state-of-the-art emission modeling through a framework based on the Virginia Tech Comprehensive Power-Based Fuel consumption Model (VT-CPFM), which overcomes the above mentioned drawbacks. Specifically, VT-CPFM does not result in a bang-bang control and can be calibrated …
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A modeling framework for spatial transmission of Covid-19 in local communities
… or rejecting vaccinations. We focused on two modeling approaches to evaluate their capabilities and usefulness in predicting and analyzing the spatial dynamics of the disease associated with the processes mentioned earlier. The first approach is statistical modeling, implemented with SaTScan. …
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Agent-based modeling framework for adaptive cyber defence of the Internet of Things
… domain knowledge by presenting a novel applied framework for adaptive cyber defence that can address a wide range of challenges and provide a foundation for significant future research in systems modeling for cybersecurity. Belief-Desire-Intention (BDI) agent architecture is extended within this …
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Wetland model in an earth systems modeling framework for regional environmental policy analysis
… of the Integrated Global Systems Model (IGSM), a framework that simulates the relationship of physical systems to climate variations. Wetlands play an important role in the storage and regulation of the global water budget so including them in a land water cycle model is found to be necessary in …
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A Modeling Framework to Estimate Airport Runway Capacity in the National Airspace System
… system, and could help decision makers with a modeling framework to identify congestion patterns in the system. Moreover, airport capacity is an important limiting factor in the growth of air transportation demand. The main motivation in our analyis is to include airport capacity constraints in …
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An activity-based energy demand modeling framework for buildings: A bottom-up approach
… energy use. We propose a novel activity based modeling framework that generates an energy demand profile on a regular basis for a given nominal day. We use this information to generate a building-level energy demand profile at highly dis-aggregated level. We then investigate the different …
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A modeling framework for characterizing root exudation-driven geochemical dynamics in the Critical Zone
… moisture fluxes in the soil column in a single framework. The goal of this thesis is to address gaps in the numerical simulation of hydrobiogeochemical dynamics in the shallow subsurface CZ through the development of a modeling framework that links root-microbe-soil-water interactions and …
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