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 233 for “"Bottom-up approach"”.
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Optimisation of a Modern Numerical Library: a Bottom-Up Approach
… development of a numerical library, I present a bottom-up approach that centres on numerical library to describe the optimisation of computation at various levels. I present the low-level design of numerical operations and show the related impact on performance optimisation. I create new …
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Judgment of feeling states from facial behavior: a bottom-up approach
… was conducted to examine the feasiblity of a bottom-up approach to the study of judgment of affective feeling states from facial behavior. Previous work on the judgment of emotion from facial expressions has taken a more top-down approach; observers judged the emotional meaning of a wholistic …
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A Bottom-Up Approach to Building an Artificial Cell by Self-Assembly
… to be explored. However, more sophisticated approaches to artificial cell design and preparation will be required to do this. The results presented here provide insights into how artificial cell development can contribute to our understanding of the self-assembly of biomolecules. The …
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An activity-based energy demand modeling framework for buildings: A bottom-up approach
Energy consumption by buildings, due to various factors such as temperature regulation, lighting, poses a threat to our environment and energy resources. In the United States, statistics reveal that commercial and residential buildings combined contribute about 40 percent of the overall energy …
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A bottom-up approach to international cooperation: econocrats' role in compliance with IMF agreements
… organizations (NGOs) and interest groups that would oversee the implementation of agreements. Building on this literature, this dissertation focuses on another important domestic actor whose role in international cooperation has long been ignored. Bureaucrats are central to the …
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Systems pathology: a bottom-up approach for understanding fibroblast-epithelial interactions in breast cancer
… cancer. We were motivated to develop a new approach for both studying the etiology of heterogeneity in breast cancer phenotypes and predicting the course of disease in tumor biopsies using an emerging chemical imaging technology. It has been described extensively that the tumor …
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Teacher self-efficacy in Cape Town : a bottom up approach to enhancing the quality of education
Personal teacher self-efficacy (PTE), or the belief in one's own ability to overcome a particular challenge, often acts as a catalyst for teachers to improve the effectiveness of their teaching. Gaining PTE can translate into better classroom practices, thus affecting student learning and other …
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Hierarchical Approaches to Vlsi Circuit Layout
This thesis studies two hierarchical approaches to the circuit layout problem: the top-down approach and the bottom-up approach.
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Constructing efficient multi-asset class portfolios: Top-down or bottom-up?
… multi-asset class portfolios using a top-down or bottom-up approach. In the top-down approach one begins by creating independent single asset class portfolios which are then combined to create a multi-asset class portfolio. The bottom-up approach constructs the portfolio by considering all the …
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Hierarchical forecasting of electricity demand in South Africa
… African data. The methods used are top-down, bottom-up and optimal combination. The top-down method is based on the disaggregation of the forecasts of the total series and distribute these down the hierarchy based on the historical proportions of the data. The bottom-up approach aggregates the …
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Using Information Communication Technologies for Gender and *Development in Africa: A Case Study of UNIFEM and FEMNET
… socially and politically, there should be a bottom-up approach where poor, non-literate and rural women act as their own experts by actively using these new technologies in combination with the old (such as radios and videos) to address their own needs.
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Climate Change and Potential Economic Impacts in Ireland: The Case for Adaptation
… Irish sectors are uncovered. The following bottom-up approach explores key vulnerabilities in Ireland in the areas of coastal exposure, wetland vulnerability and inland flooding. Digital Terrain Modelling is used in conjunction with a range of datasets to examine vulnerabilities relating to …
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Parallel Two-Dimensional Unstructured Anisotropic Delaunay Mesh Generation for Aerospace Applications
<p>A bottom-up approach to parallel anisotropic mesh generation is presented by building a mesh generator from the principles of point-insertion, triangulation, and Delaunay refinement. Applications focusing on high-lift design or dynamic stall, or numerical methods and modeling test cases focus on …
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An Object-Oriented Parallel Social Simulation Framework
… social simulation technique that employs a bottom-up approach for opinion dynamics study. In this work, we develop a social simulation framework based on ABM. The framework supporting multiple features of interest to social scientists and experimenters. The framework supports multiple models …
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T-Spline Simplification
… with similar but less complex T-splines. Two approaches to simplifying T-splines are proposed: a bottom-up approach that iteratively refines an over-simple T-spline to approximate a complex one, and a top-down approach that evaluates existing control points for removal in producing an …
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Evaluation of the Effects of Bottom-Up Management in Preserving Values of Historic Hutong Neighborhood in Beijing: A Case Study of Community-Based Organization (CBO) - Shijia Hutong Historic Preservation Society
… to the current top-down management, the bottom-up approach could improve the recognition of a holistic spectrum of site values in the fast changing environments. However, the lack of on-the-ground community collaborations has limited the ability to test a grassroots-oriented preservation …
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A mathematical formulation of intelligent agents and their activities
… treat the problem in top-down fashion. This approach often manifests itself in large, complex systems of equations that are difficult to solve and adapt. By contrast, in a bottom-up approach, a given task is distributed over a collection of smaller components. These components embed behaviour …
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Predicting Long -Term Impacts of Urbanization in the St. Louis Metropolitan Area on Regional Emissions of Air Pollutants From Residential Fuel Combustion: A Dynamic Geographic Information Systems Approach
The bottom-up approach not only extends the existing emissions modeling by including the influences of city, town, suburb, and rural boundary as well as effects of spatial distribution of household income on fuel consumptions but also provides a quick and easy way to connect urbanization with …
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An Agent-based Model for Airline Evolution, Competition, and Airport Congestion
… tremendously as compared to the increase in the supply. The air transportation system can be divided into four subsystems: airports, airlines, air traffic control, and passengers, each of them having different interests. These subsystems interact in a very complex way resulting in various …
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The Government of Canada’s Second Language Evaluation, Test of Written Expression: Exploring Validity
… Test of Written Expression (TWE). The case-study approach combined stakeholder perspectives of three employee-participants and two teacher-participants along with a verbal protocol of a shortened practice test. The findings indicate that there may be evidence that threatens the validity of the …
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