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UNT Theses and Dissertations
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UNT Scholarly Works
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Photographing Texas
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Journal of Near-Death Studies
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Exploring the Utility of Metadata Record Graphs and Network Analysis for Metadata Quality Evaluation and Augmentation
Article discussing the effectiveness of network analysis for evaluating digital library metadata records. It provides count- and value-based statistics as well as network metrics for each of the two collections identified for this research and compares the usefulness of various data values for metadata quality analysis.
Date:
2020
Creator:
Phillips, Mark Edward; Zavalina, Oksana & Tarver, Hannah
Object Type:
Article
System:
The UNT Digital Library
Managing Language Data @ UNT Digital Library: CoRSAL Collection
Presentation presented at the Second International Workshop on Language Documentation and Digital Archiving, held at the Indira Gandhi National Centre for the Arts in Delhi, India. This presentation discusses how language data is being hosted by the UNT Digital Library for long-term preservation and access.
Date:
February 17, 2020
Creator:
Phillips, Mark Edward
Object Type:
Presentation
System:
The UNT Digital Library
Collaborating on Scholarship
Presentation for the UNT Libraries Career Development Workgroup. This presentation discusses the benefits of collaboration on scholarship with examples from the library environment. It presents an overview of the process as well as providing suggestions for those interested in collaborating on projects.
Date:
March 3, 2020
Creator:
Sassen, Catherine & Brannon, Sian
Object Type:
Presentation
System:
The UNT Digital Library
Broadening access to books on Texas and Oklahoma: Final report, best practices, and lessons learned
This white paper provides a summary of grant activities and provides some best practices and lessons learned for other efforts to make out-of-print humanities books available in ebook format.
Date:
March 20, 2020
Creator:
Hawkins, Kevin S.
Object Type:
Paper
System:
The UNT Digital Library
[Tackling Toxicity.] Appendix A: Survey questions
This handout was presented along with a poster that presented the preliminary results from a survey of library employees on their experiences with toxic workplaces in libraries. This handout details the survey questions and the sources used to develop the survey. It was presented at the Electronic Resources & Libraries 2020 conference held in Austin, Texas.
Date:
March 10, 2020
Creator:
Dewitt-Miller, Erin & Crawford, Laurel
Object Type:
Text
System:
The UNT Digital Library
[Tackling Toxicity.] Appendix B: Warning Signs - Looking in from the Outside
This handout was presented along with a poster that presented the preliminary results from a survey of library employees on their experiences with toxic workplaces in libraries. This handout details signs to look for during interviews and suggested questions to ask to determine if their is a toxic workplace environment. It was presented at the Electronic Resources & Libraries 2020 conference held in Austin, Texas.
Date:
March 10, 2020
Creator:
Dewitt-Miller, Erin & Crawford, Laurel
Object Type:
Text
System:
The UNT Digital Library
Tackling Toxicity: Predicting, Surviving, & Preventing Toxic Workplaces
This poster presents preliminary results from a survey of library employees on their experiences with toxic workplaces in libraries. The poster includes the most-reported toxic behaviors, advice for employees and employers on how to manage or avoid a toxic workplace environment. It was presented at the Electronic Resources & Libraries 2020 conference held in Austin, Texas.
Date:
March 10, 2020
Creator:
Dewitt-Miller, Erin & Crawford, Laurel
Object Type:
Poster
System:
The UNT Digital Library
Survey of Benchmarks in Metadata Quality: Initial Findings
White paper providing general analysis and documentation of results collected by a Qualtrics survey to gather information about metadata assessment practices among digital libraries. It includes an overview of the responses and brief analysis, with some interpretation of trends.
Date:
May 2020
Creator:
Gentry, Steven; Hale, Meredith L.; Payant, Andrea; Tarver, Hannah; White, Rachel & Wittmann, Rachel
Object Type:
Paper
System:
The UNT Digital Library
To Co-Author or Not?
This poster focuses on how to approach collaborative research. Learn how to choose team members, facilitate collaboration and organize all the elements of a project to create a successful publication or presentation. Also included are administrative responsibilities, thoughts on handling problems, examples of delineating responsibilities. It was presented at The Exchange an Association for Library Collections and Technical Services (ALCTS)/Library and Information Technology Association (LITA)/Library Leadership and Management (LLAMA) Collaboration held virtually on May 4, 6, & 8, 2020.
Date:
May 6, 2020
Creator:
Sassen, Catherine & Brannon, Sian
Object Type:
Poster
System:
The UNT Digital Library
Small-scale mechanical behavior of a eutectic high entropy alloy
Article describes study evaluating small-scale mechanical behavior was for AlCoCrFeNi2.1 eutectic high entropy alloy, consisting of a lamellar arrangement of L12 and B2 solid-solution phases.
Date:
February 14, 2020
Creator:
Muskeri, Saideep; Hasannaeimi, Vahid; Salloom, Riyadh; Sadeghilaridjani, Maryam & Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
Transparency on Journal Pricing - Make a List!
This poster discusses the creation and value of UNT Libraries Serials Transparency List that contains the subscription pricing information they receive from publishers. The list promotes transparency in journal pricing and informed decision-making in collection development. It was presented at The Exchange an Association for Library Collections and Technical Services (ALCTS)/Library and Information Technology Association (LITA)/Library Leadership and Management (LLAMA) Collaboration held virtually on May 4, 6, & 8, 2020.
Date:
May 6, 2020
Creator:
Enoch, Todd; Castillo, Darin & Brannon, Sian
Object Type:
Poster
System:
The UNT Digital Library
Sources of Household Resilience during the 2018/2019 Saudi Floods
This research studied the relationship between social capital and household resilience. In particular, how bonding and bridging relationships affect household resilience was the question selected to illustrate this relationship between social capital and household resilience. Moreover, how the vulnerability of household impacts household resilience was also empirically examined. Social capital theory and vulnerability paradigm studies were used to discover explanations for why and how social connectedness and social vulnerabilities impact household resilience. Survey questionnaires were used to collect data in the main two cities in Saudi Arabia, Riyadh and Jeddah. A cross-sectional design was used to collect data. Statistical descriptions and inferences were conducted. In fact, multiple linear regression, T-test, and one way ANOVA were the three principal technics used to make statistical inferences. This study empirically found evidence there are relationships between bonding relationships and household resilience, and also relationships between the economic level of the household and household resilience. However, no evidence was found for relationships between bridging relationships and household resilience, or between other vulnerability factors and household resilience. Other vulnerability factors included gender, minority group, and language.
Date:
May 2020
Creator:
Alshammari, Abdullah Fahad
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
What Would a Waterbird Do? An Annual Study of 13 Urban Wetlands in Frisco, Texas
Intention for this study is driven by finding patterns that may be shown to reveal primary factors of influence for the abundance and diversity of wetland birds. These correlations may be used to promote wetland management strategies for the benefit of waterbird species, and help illuminate current local wetland conditions for waterbirds, respectively. The idea is to help enliven individuals to become a more conscious steward and manipulator of our environment through incorporating structural and biological components into wetland development and management strategies, and broadly speaking, urban development practices.
Date:
May 2020
Creator:
Proctor, Jayce Alan
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Consequences of Early Life Stage Thyroid Suppression on Immune Function in the Fathead Minnow (Pimephales promelas)
Current evidence suggests that thyroid hormones (THs) may impact development of the immune system. However, studies that explore the role of THs in immune development are limited, and the mechanisms leading to alterations in immune function are poorly understood. It is important to elucidate the role of THs in immune development given that many environmental contaminants have been shown to disrupt TH homeostasis and may also have negative impacts on the immune system. As such, the main goal of this study was to determine the long-term consequences of early life stage (ELS) hypothyroidism on immune function. To achieve this goal, it was first necessary to further characterize basic immune function in the selected model species, the fathead minnow (FHM, Pimephales promelas). Preliminary studies were conducted to describe the transcriptomic response to Yersinia ruckeri and adapt assays for the assessment of respiratory burst and phagocytic cell activity. To determine the long-term effects of ELS hypothyroidism, FHMs were exposed to the model thyroid suppressant propylthiouracil (PTU) from <1 to 30 days post hatch and reared under normal conditions. Upon reaching adulthood, ex vivo immune cell function and the in vivo immune response to Y. ruckeri were assessed. Fish exposed to PTU experienced …
Date:
May 2020
Creator:
Thornton Hampton, Leah Marie
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Top-Down Policy Engineering Framework for Attribute-Based Access Control
The purpose of this study is to propose a top-down policy engineering framework for attribute-based access control (ABAC) that aims to automatically extract ACPs from requirement specifications documents, and then, using the extracted policies, build or update an ABAC model. We specify a procedure that consists of three main components: 1) ACP sentence identification, 2) policy element extraction, and 3) ABAC model creation and update. ACP sentence identification processes unrestricted natural language documents and identify the sentences that carry ACP content. We propose and compare three different methodologies from different disciplines, namely deep recurrent neural networks (RNN-based), biological immune system (BIS-based), and a combination of multiple natural language processing techniques (PMI-based) in order to identify the proper methodology for extracting ACP sentences from irrelevant text. Our evaluation results improve the state-of-the-art by a margin of 5% F1-Measure. To aid future research, we also introduce a new dataset that includes 5000 sentences from real-world policy documents. ABAC policy extraction extracts ACP elements such as subject, object, and action from the identified ACPs. We use semantic roles and correctly identify ACP elements with an average F1 score of 75%, which bests the previous work by 15%. Furthermore, as SRL tools are often …
Date:
May 2020
Creator:
Narouei, Masoud
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Importance of Authenticity of Atmospheric Theming to Revisit Intention of Food and Beverage Venues in Theme Parks
Atmospheric theming is the use of the sensory experience in connection to a theme. The purpose of this research is to examine the effects of atmospherics with theming and their effects on customer behavior in food and beverage operations of a theme park. The official research questions developed for this study include: Does the impact of the authenticity of atmospheric theming influence an effect on revisit intention? Does the type of theme (land's theme or venue's theme) influence the effect of visitor revisit intention? These questions guided the current research in previously non-evaluated fields of study. This study used the Mehrabian–Russel (M-R) model to create a new research model. In the current study, atmospheric theming was the stimuli, emotional value was the emotional response, and visitor revisit intentions was the behavioral intention. Restaurant image was added to the model to obtain a cognitive reason.The results from the multiple regression indicated that all hypotheses were accepted. Restaurant image had a positive influence on both authenticity variables, and both authenticity variables had a positive influence on emotional value. Finally, emotional value was found to have a positive influence on revisit intention. These results indicated that atmospheric theming influenced revisit intention through emotional …
Date:
May 2020
Creator:
O'Dell, Billy Ray
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Performance Guide to George Enescu's Violin Sonata No. 3 in A Minor, Op. 25, Emphasizing Its Use of Romanian Lăutari Violin Techniques and Style
In Romanian, the word lăutari refers to highly skilled professional Romani (Gypsy) musicians. By interacting with Romanian culture and tradition, the lăutari settled down in the country and developed a unique musical tradition. Their music is characterized by intricate, elaborate, and refined ornamentation; its execution requires a highly level of technique. George Enescu, regarded as Romania's most influential musician, was affected by lăutari music. He created a unique musical language that recreates Romanian character by using lăutari elements. This dissertation examines how to approach Enescu's Violin Sonata No. 3 and perform it by understanding the characteristics of lăutari music as well as the work's use of such lăutari violin techniques as diverse expressive slides, vibrato, double stops, various ornaments, artificial harmonics, imitation of folk instruments, and a variety of bow strokes. Enescu's Violin Sonata No. 3 is regarded as a challenging work in the violin literature requiring a high level of violin technique. Although the standard violin repertoire is enormous, many violinists are looking to rediscover new and challenging repertoire, distinguish themselves from others, and promote themselves as professional performers. Therefore, this study should help violinists to approach the idiomatic violin writing of Enescu's sonata, especially its lăutari techniques and …
Date:
May 2020
Creator:
Noh, Yuri
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Perception of Falls and Confidence in Self-Management of Falls among Older Adults
Mobility safety, especially fall prevention, plays a significant role in successful aging for older adults. Fall preventive programs aim to reduce risks for mortality from fall-related injuries among older adults. However, the covariation between personal perceptions of falls and factors and confidence of self-management in falls (CSMoF) is still under-studied despite its importance to fall prevention. Using the International Classification of Functioning, Disability, and Health (ICF) model, this dissertation aimed to investigate the relative contribution of CSMoF in relation to fall risk self-perceptions while controlling for demographics and self-reported health and functioning. Participants were 691 older adults recruited from Area Agency on Aging at Arlington, Texas. They completed measures of physical functioning, CSMoF, fall risk perceptions and fear of falls. Regression analyses indicated that fear of falls was the most predictive factor of CSMoF among older persons. Physical function measures of age, chronic illnesses of metabolism, sensory impairment, and health status were also significant predictors of the CSMoF. The interaction of perception of falls and fall experience attenuated CSMoF, with physical functioning limitations. Fear of falls served as a mediator through which demographic predictors influence CSMoF. The joint effects of perception of falls and fear of falls likely explain CSMoF …
Date:
May 2020
Creator:
Li, Qiwei
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Interlocal Competition and Local Fiscal Health
A sizeable literature documents patterns of competition between local governments in metropolitan regions, while also exploring variation in such local government financial attributes as efficiency, budget size, fiscal disparity, and service equity, which are frequently bound together under the concept of fiscal health. However, the concept of fiscal health is broader and more sophisticated than any one fiscal measure, and empirical studies tend to focus only on multi-purpose governments. This study brings these concepts together to investigate how interlocal competition affects the fiscal health of different government types. This study answers three questions: What is a measure of fiscal health applicable to different government types? How does competition among cities and towns affect local fiscal health? How does the proliferation of special districts affect the fiscal health of local governments? This study measures the concept of fiscal health using factor analysis and examines the effects of competition among different government types on the fiscal health of both municipalities and special districts. Utilizing a pooled cross-sectional time-series approach and data from the U.S. Census Bureau for metropolitan statistical areas for every five years between 1972 and 2012,the study finds that competition among municipalities has adverse influences on the fiscal health of …
Date:
May 2020
Creator:
Park, Hyunggun
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Fabrication of Nano-Channel Templates and a Study of the Electrical and Magnetic Properties of Nanowires Grown in Template Pores
This thesis is a study of the structural, electrical and magnetic properties of indium antimonide (InSb) nanowires (NWs), that were synthesized by a template-assisted ordered growth technique via electrochemical deposition. InSb was chosen for this study because of its intrinsic properties that make it a material of choice for applications in high channel mobility, infrared (IR) sensing, thermoelectrics, and magnetoresistive sensing martials. This work has four main components: (i) Growth in commercially available anodic aluminum oxide (AAO) template, where hole-dominated conduction was observed, following NW growth in a low pH electrolyte. The challenge in using these AAO templates was in covering the back surface of the pores with a metal film. Uncovered pores resulted in electrolyte leakage and non-reproducible results. (ii) Growth in flexible polycarbonate membranes, where the flexibility of the membranes resulted in polycrystalline or high defect density NW growth. (iii) Fabrication of an AAO template, where the barrier layer thinning technique was found to be efficient in removal of the think aluminum oxide barrier that exists at the interface between the template and the aluminum metal. This allows for direct growth of NWs into the template pores without the need for metal evaporation. (iv) Fabrication of a heterostructure …
Date:
May 2020
Creator:
Singh, Abhay Pratap
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Charlotte Bray's "Here Everything Shines": Interview, Analysis and Performance Guide
This dissertation examines a recent work for flute and piano, Here Everything Shines, by a living composer, Charlotte Bray, including a study, analysis and performance guide. The composition was largely inspired by the late Cape Verdean singer Cesária Évora and her song Petit Pays. My research explores the influence of Évora's song on Here Everything Shines, including the melodic development, tonal center, style and freedom of her singing and the impact the song has on a performer's interpretation of Here Everything Shines. The study examines the text of the song, the emotions evoked and reflects on the compositional elements in Here Everything Shines. Originally written for flute and guitar and commissioned by Tom Kerstens for International Guitar Foundation, Here Everything Shines was published in 2015. Bray transcribed it for violin and piano at request of Darragh Morgan and Mary Dullea and subsequently for flute and piano at my request. This dissertation compares the three versions for flute and guitar, violin and piano, and flute and piano and examines the variations between flute and violin as well as guitar and piano parts. The performance guide includes the composer's input on both interpretation and implementation of her ideas throughout the work.
Date:
May 2020
Creator:
Kuscer, Lana
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Determinants and Consequences of Having a Chief Operating Officer
This study examines the determinant and consequences of having a chief operating officer (COO). Specifically, we investigate chief executive officer (CEO) related factors that affect the choice to employ a COO and look into the impact of having a COO on firm operational efficiency using a data envelopment analysis (DEA)-based measure. Although prior literature has extensively investigated the role of CEOs and chief finance officers (CFOs) on firm outcomes, few studies focus on the impact of COOs. Thus, this study explores characteristics associated with the likelihood that a firm will have a COO. This research also sheds light on the effect of COOs on firm operational efficiency because the core duties of COOs include optimizing operational performance and improving cost efficiency. Our results imply that CEO busyness, CEO ability, CEO demographic characteristics, and CEO network size have a significant impact on the decision to employ a COO. We also find that firms that have a COO have a lower level of operational efficiency than firms that do not. This result implies that the cost of having a COO outweighs the benefit of having one. The effects last for three years on average. Further, we find that firms with a COO …
Date:
May 2020
Creator:
Le, Linh
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Resurrection Attempts: Essays
This dissertation is composed of a critical preface, "Reconciling Art and Account in the Creative Essay," and the essay collection Resurrection Attempts: Essays. The preface situates the following essay collection within the genre of contemporary creative nonfiction. Specifically, it argues that genre-bending or genre hybridity are inherent and unavoidable features of creative nonfiction writing and should be celebrated, rather than denied or lamented. It points to other writers who deliberately challenge the bounds of genre, and discusses some of the collection's innovations in form and other ways it offers experimentation, such as use of unusual or borrowed points of view, disruption of chronology, and adoption of elements from other genres of writing, including fiction, poetry, and academic. Ultimately, embracing the artistic side of creative nonfiction (as opposed to its "purely" journalistic side) allows for heightened intimacy with the reader, a much wider breadth of storytelling, and a more vulnerable—and therefore more truthful—interrogation of legacy and the human experience. Resurrection Attempts is a collection of essays exploring the writer's rural Texas childhood and the early and tragic losses of her parents, including the effect of those experiences on her adult life and performance of motherhood. The voices of the writer's sisters …
Date:
May 2020
Creator:
Al-Qasem, Ruby
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Inkjet Printed Transition Metal Dichalcogenides and Organohalide Perovskites for Photodetectors and Solar Cells
This dissertation is devoted to the development of novel devices for optoelectronic and photovoltaic applications using the promise of inkjet printing with two-dimensional (2D) materials. A systematic approach toward the characterization of the liquid exfoliated 2D inks comprising of graphene, molybdenum disulfide (MoS2), tungsten diselenide (WSe2), and 2D perovskites is discussed at depth. In the first study, the biocompatibility of 2D materials -- graphene and MoS2 -- that were drop cast onto flexible PET and polyimide substrates using mouse embryonic fibroblast (STO) and human esophageal fibroblast (HEF) cell lines, was explored. The polyimide samples for both STO and HEF showed high biocompatibility with a cell survival rate of up to ~ 98% and a confluence rate of 70-98%. An inkjet printed, biocompatible, heterostructure photodetector was constructed using inks of photo-active MoS2 and electrically conducting graphene, which facilitated charge collection of the photocarriers. The importance of such devices stems from their potential utility in age-related-macular degeneration (AMD), which is a condition where the photosensitive retinal tissue degrades with aging, eventually compromising vision. The biocompatible inkjet printed 2D heterojunction devices were photoresponsive to broadband incoming radiation in the visible regime, and the photocurrent scaled proportionally with the incident light intensity, exhibiting a …
Date:
May 2020
Creator:
Hossain, Ridwan Fayaz
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library