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 85 for “"Quality of data"”.
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A framework for assessing and improving quality of data from visual evaluation of asset conditions
… also requires a significant amount of resources and effort for performing maintenance and/or rehabilitation activities. Along with other considerations, data on asset conditions are used to make decisions regarding the timing of maintenance activities, the type of treatment, and the …
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The inner and inter construct associations of the quality of data warehouse customer relationship data for problem enactment
The literature identifies perceptions of data quality as a key factor influencing a wide range of attitudes and behaviors related to data in organizational settings (e.g. decision confidence). In particular, there is an overwhelming consensus that effective customer relationship management, CRM, …
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TOWARDS RELIABLE AI UNDER DISTRIBUTION SHIFTS: A DATA-CENTRIC PERSPECTIVE
Machine learning (ML) models often rely on spurious correlations in the training data, leading to performance degradation and unreliability when processing inputs under distribution shifts. This thesis systematically studies the robustness to distribution shifts for ML models from a data-centric …
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Sustaining data quality - lessons from the field: creating and sustaining data quality within diverse enterprise resource planning and information systems
… a gap in the literature surrounding the process of improving and sustaining the quality of data within enterprise resource planning and information (ERP) systems. The study not only established firmly that quality data is an absolute necessity for all organisations, none more so than those …
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Efficient User Incentives in Extreme Edge Sensing: A New Learning-Based Scheme
… (EES) systems utilize the built-in sensors of users' smart devices to collect data from the surrounding environment and employ their processors to carry out edge computing tasks. Emerging as a solution to remote sensing challenges, EES systems are noted for their efficient time and cost …
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The impact of data governance on corporate performance : the case of a petroleum company
While it is acknowledged that data is a valuable corporate asset, many companies fail to exploit it in order to better their performance. Organizations today need to be proactive in their operations and have to make informed business decisions in less time than ever before. This puts pressure on …
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Factors Associated with Successful Electronic Medical Records (EMR) Implementation in Kenya
Background: Implementation of Electronic Medical Records (EMR) remains a relatively recent development in response to emerging needs to manage large volumes of data that are often associated with longitudinal care. Kenya’s HIV program created a large demand for responsive data management systems …
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International Space Station Remote Sensing Pointing Analysis
… analyzes the geometric and disturbance aspects of utilizing the International Space Station for remote sensing of earth targets. The proposed instrument is SHORE (Station High-Sensitivity Ocean Research Experiment), a multi-band optical spectrometer with 15 m pixel resolution. The analysis …
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Emerging Pathways: A Teacher/Researcher's Reflexive Journey Implementing Literacy-Based Science Interventions With Adolescent English Language Learners
<p>This study explored the impact of instructional interventions with four Middle School English Language Learners in Science. The initial focus was to determine the impact of explicit academic vocabulary instruction, including cognates, and small-group guided discussions in order to facilitate the …
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Corporate decision analysis : an engineering approach
… their potential solutions deal with the behavior of systems. Since systems can be studied with experiments, we use Design of Experiments (DOE) to understand the behavior of systems within which decisions are made and to estimate the consequences of candidate decisions as scenarios. The experiments …
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Organizational and human behavioral factors on performance of a hospital information system : a case study from a large teaching hospital in the Boston area
Improvement in efficiency of healthcare in the United States is an urgent issue. Information technology is seen as one of key solutions to improve efficiency. As such, hospitals in the United States are rapidly adopting information technology. However, past studies on information technology …
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Data Reduction for Diverse Optical Observers through Fundamental Dynamic and Geometric Analysis
… broad assumptions about the expected behavior of the sensors during collection. While these techniques are often successful at data reduction for a particular mission, they rarely extend to sensors in different operating modes. Such specialized techniques therefore reduce the number of sensors …
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Building Models of Process Systems: Applications in Control and Design
Traditional or new methods for building models of process systems can combine physical understanding with statistical analysis so that models can be developed for use in many fields of engineering. This work focusses on developing models that can be used for system design (e.g., cementing of …
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Development of a novel electron-transfer secondary reaction matrix, characterization of the site–specificity of novel bilin-lyase, and Fundulus grandis protein expression investigation using mass spectrometry
<p>Reported in this dissertation are the results of investigations performed at the New Orleans Center for Mass Spectrometry at the University of New Orleans. The projects that are detailed in the coming pages take on a variety of subjects, but a common thread is that each employs matrix-assisted …
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Integrating multiple conflicting sources by truth discovery and source quality estimation
… from different sources will inevitably result in data or information inconsistency. Among conflicting pieces of information, which one is the most trustworthy? How to detect the fraudulence of a rumor? Obviously, it is unrealistic to curate and validate the trustworthiness of every piece of …
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Local selection of features and its applications to image search and annotation
… multimedia applications, direct representations of data objects typically involve hundreds or thousands of features. Given a query object, the similarity between the query object and a database object can be computed as the distance between their feature vectors. The neighborhood of the query …
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Improving data quality in the Enlisted Master File
This thesis establishes the importance of maintaining the quality of information in the Enlisted Master File (EMF). The Enlisted Master File is generated by the Navy Enlisted System, one of many applications which process data for the Manpower, Personnel, and Training community. To clarify what …
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Surfactant Assisted Electrospray Ionization Time of Flight Mass Spectrometry of Synthetic Polymers
Synthetic polymers are complex mixtures which often require extensive characterization to determine chemical composition and structure. Mass spectrometric techniques have greatly enhanced the quantity, as well as the quality, of data that can be used to characterize synthetic polymers. Electrospray …
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Geospatial Data Modeling to Support Energy Pipeline Integrity Management
<p>Several hundred thousand miles of energy pipelines span the whole of North America -- responsible for carrying the natural gas and liquid petroleum that power the continent's homes and economies. These pipelines, so crucial to everyday goings-on, are closely monitored by various operating …
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Measuring child mortality in resource limited settings using alternative approaches: South African case study
… Development Goal project a significant number of countries are still faced with the challenge of monitoring child mortality. Despite numerous enquiries since 1996 to provide this basic health indicator, South Africa has experienced prolonged periods of uncertainty regarding the level and trend …
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