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34
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Distance learning during the early stages of the COVID-19 pandemic: Examining K-12 students’ and parents’ experiences and perspectives
Article examines K-12 students and parents in the United States’ experiences and challenges during the sudden shift to distance learning during the COVID19 crisis. This article is part of the special issue: Learning and learning ecosystems in the time of Covid-19.
Date:
2020
Creator:
Simpson, Jenna Conan
System:
The UNT Digital Library
EPIC: A Proposed Model for Approaching Metadata Improvement
Abstract: This paper outlines iterative steps involved in metadata improvement within a digital library: Evaluate, Prioritize, Identify, and Correct (EPIC). The process involves evaluating metadata values system-wide to identify errors; prioritizing errors according to local criteria; identifying records containing a particular error; and correcting individual records to eliminate the error. Based on the experiences at the University of North Texas (UNT) Libraries, we propose that these cyclical steps can serve as a model for organizations that are planning and conducting metadata quality assessment.
Date:
2020
Creator:
Tarver, Hannah & Phillips, Mark Edward
System:
The UNT Digital Library
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
System:
The UNT Digital Library
Predation of livestock by puma (Puma concolor) and culpeo fox (Lycalopex culpaeus): numeric and economic perspectives
Article studies predation on livestock by wild carnivores in Sajama National Park (SNP), Bolivia. The authors monitored predation and other causes of livestock mortality in 33 ranches for one year and estimated biomass of livestock and wild prey and monetary losses.
Date:
2020
Creator:
Jiménez, Jaime E.; Gallardo, Giovana; Pacheco, Luis F. & Rios, Rodrigo S.
System:
The UNT Digital Library
Serge Jaroff and His Don Cossack Choir: The Refugees Who Took the World by Storm
This article discusses the history of the Don Cossack Choir which was established and conducted by Serge Jaroff while in a Turkish internment camp in 1920. Once liberated, they concertized throughout the non-Soviet world and enjoyed long-term success. However, the choir has received little scholarly attention, much of it in Dutch and Russian research.
Date:
2020
Creator:
Arnold, Donna M.
System:
The UNT Digital Library
Student Cyclists Experience PM2.5 Pollution Hotspots around an Urban University Campus
Article examining urban cyclists' risk of exposure to harmful concentrations of fine particulate matter (PM₂.₅).
Date:
2020
Creator:
Luce, Brett W.; Barrett, Tate E. & Ponette-González, Alexandra G.
System:
The UNT Digital Library
Analysis of the Fe 2p XPS for hematite 𝛂 Fe2O3: Consequences of covalent bonding and orbital splittings on multiplet splittings
Article analyzes the origins of the complex Fe 2p X-Ray Photoelectron Spectra (XPS) of hematite (α-Fe₂O₃) and is related to the character of the bonding in this compound. This analysis provides a new and novel view of the reasons for XPS binding energies (BEs) and BE shifts, which deepens the current understanding and interpretation of the physical and chemical significance of the XPS. This article is part of the JCP Special Topic on Oxide Chemistry and Catalysis.
Date:
January 2, 2020
Creator:
Bagus, Paul S.; Nelin, Connie J.; Brundle, C. R.; Lahiri, N.; Ilton, Eugene S. & Rosso, Kevin M.
System:
The UNT Digital Library
Durability of Portland Concrete Containing Polymeric Fillers and Fly Ash
Article explores degradation of Portland concrete and finds that the combination of fly ash with polymers provides significantly improved properties.
Date:
January 2, 2020
Creator:
Brostow, Witold, 1934-; Chetuya, Nonso; Hong, Hee Jae; Gencel, Osman; Menard, Noah & Sayana, Susmitha
System:
The UNT Digital Library
Intermittent Hypoxic Conditioning Alleviates Post-Traumatic Stress Disorder-Induced Damage and Dysfunction of Rat Visceral Organs and Brain
Study examines intermittent hypoxic conditioning's (IHC) ability to alleviate harmful PTSD effects on a rat's heart, liver, and brain.
Date:
January 5, 2020
Creator:
Manukhina, Eugenia B.; Tseilikman, Vadim E.; Karpenko, Marina N.; Pestereva, Nina S.; Tseilikman, Olga B.; Komelkova, Maria V. et al.
System:
The UNT Digital Library
Confirmatory Influence of Trust in E-commerce: A Data Collection Bias and Suggestion
Article explores the importance of investigating the impact of trust on intention to purchase from both successful and unsuccessful purchase cases in order to provide a more balanced view of the critical role of trust in e-commerce transaction decisions.
Date:
January 7, 2020
Creator:
Kim, Dan J. & Ogbanufe, Obi
System:
The UNT Digital Library
Hydrogen bonding interactions of H2O and SiOH on a boroaluminosilicate glass corroded in aqueous solution
This article simulates hydrous species (H2O and Si-OH) on nano-porous alteration layers (gels) formed on a boroaluminosilicate glass called International Simple Glass corroded in aqueous solutions at pH 7 and pH 9, and initially saturated with soluble silicon-containing species were analyzed using linear and non-linear vibrational spectroscopy in combination with molecular dynamics simulations. The simulation and experimental results obtained in this study indicate that the water mobility in the gel formed at pH 9 could be slower than that in the gel formed at pH 7, and as a result, the leaching rate at pH 9 is slower than that at pH 7.
Date:
January 7, 2020
Creator:
Ngo, Dien; Liu, Hongshen; Chen, Zhe; Huseyin, Kaya; Zimudzi, Tawanda J.; Gin, Stéphane et al.
System:
The UNT Digital Library
Introduction to the Minitrack on Artificial Intelligence and Big Data Analytics Management, Governance, and Compliance
This article is an introduction to the Minitrack on Artificial Intelligence and Big Data Analytics Management, Governance, and Compliance at the 53rd Hawaii International Conference on System Sciences.
Date:
January 7, 2020
Creator:
Sidorova, Anna; Saltz, Jeffrey & Goul, Michael
System:
The UNT Digital Library
An Investigation of Predictors of Information Diffusion in Social Media: Evidence from Sentiment Mining of Twitter Messages
Article is a study examining how emotional arousal influences information diffusion in social media using a sentiment mining approach. The authors propose a research model and test it using data collected from Twitter.
Date:
January 7, 2020
Creator:
Kim, Dan J. & Salehan, Mohammad
System:
The UNT Digital Library
Vice or Virtue? Exploring the Dichotomy of an Offensive Security Engineer and Government “Hack Back” Policies
This article uses the virtue (ethics) theory and cyber attribution to argue that there exists a dichotomy among offensive security engineers, one that appreciates organizational security practices, but at the same time violates ethics in how to retaliate against a malicious attacker.
Date:
January 7, 2020
Creator:
Parrish, James L.; Withers, Kim L.; Smith, James N. & Ellis, Timothy J.
System:
The UNT Digital Library
Lightweight, Anisotropic, Compressible, and Thermally-Insulating Wood Aerogels with Aligned Cellulose Fibers
Proposes a fabrication method for making a lightweight, anisotropic, and compressible wood aerogel with aligned cellulose fibers by a simple chemical treatment.
Date:
January 8, 2020
Creator:
Sun, Hao; Bi, Hongjie; Lin, Xin; Cai, Liping & Xu, Min
System:
The UNT Digital Library
Liquid Chromatography Tandem Mass Spectrometry Quantification of ¹³C-Labeling in Sugars
This article describes a new methodology for monitoring sucrose labeling using liquid chromatography tandem mass spectrometry (LC-MS/MS). To date, the most commonly used method to monitor sucrose labeling is by nuclear magnetic resonance, which requires substantial amounts of biological sample.
Date:
January 10, 2020
Creator:
Cocuron, Jean-Christophe; Ross, Zacchary & Alonso, Ana P.
System:
The UNT Digital Library
Who Are we Measuring and Modeling for? Supporting Multilevel Decision‐Making in Watershed Management
Article describes survey identifying opportunities for hydrologic modeling and monitoring to support overlapping management contexts.
Date:
January 10, 2020
Creator:
Bremer, Leah L.; Hamel, Perrine; Ponette-González, Alexandra G.; Pompeu, Patricia V.; Saad, Sandra I. & Brauman, Kate A.
System:
The UNT Digital Library
Multifeature analyses of vascular cambial cells reveal longevity mechanisms in old Ginkgo biloba trees
This article investigates age-related changes in Ginkgo biloba trees to learn more about the molecular and metabolic mechanisms underlying their longevity. The results revealed that long-lived trees have evolved compensatory mechanisms to maintain a balance between growth and aging processes.
Date:
January 13, 2020
Creator:
Wang, Li; Cui, Jiawen; Jin, Biao; Zhao, Jiangou; Xu, Huimin; Lu, Zhaogeng et al.
System:
The UNT Digital Library
Excrescent vowels in Lamkang prefix sequences
Article examines the nature of the super-short vowel-like segments between the C- prefixes of the Lamkang language by combining acoustic analysis with speakers' intuitions about syllable structure. The authors argue that an accurate phonetic description of Lamkang vowels must include these super-short vowels, as well as long and short vowels, which are phonemically distinct.
Date:
January 14, 2020
Creator:
Burke, Mary; Chelliah, Shobhana Lakshmi & Robinson, Melissa
System:
The UNT Digital Library
Occupational gender segregation and economic growth in United States local labor markets, 1980 through 2010
This article explores the barrier that gender segregation posses to the exchange of diverse ideas between women and men workers in the United States. The author uses fixed effects regression models to examine the relationship between labor market levels of segregation and economic growth from 1980 and 2010. Results from this study suggest that gender equity is a vital ingredient in the economic development of local United States labor markets.
Date:
January 14, 2020
Creator:
Scarborough, William J.
System:
The UNT Digital Library
PMFF: Development of a Physics-Based Molecular Force Field for Protein Simulation and Ligand Docking
Article describes the development of a physics-based molecular force field (PMFF) by integrating a set of potential energy functions in which each term in an intermolecular potential energy function is derived based on experimental values, such as the dipole moments, lattice energy, proton transfer energy, and X-ray crystal structures.
Date:
January 15, 2020
Creator:
Hwang, Sung Bo; Lee, Chang Joon; Lee, Sehan; Ma, Songling; Kang, Young-Mook; Cho, Kwang-Hwi et al.
System:
The UNT Digital Library
Current Status of AMOEBA–IL: A Multipolar/Polarizable Force Field for Ionic Liquids
Paper reviews the development and application of the multipolar and polarizable force field AMOEBA for ionic liquid systems, termed AMOEBA–IL.
Date:
January 21, 2020
Creator:
Vázquez-Montelongo, Erik Antonio; Vázquez-Cervantes, José Enrique & Cisneros, Gerardo Andrés
System:
The UNT Digital Library
Phenotypic Switching Resulting From Developmental Plasticity: Fixed or Reversible?
Article explores the question of whether animals with switched phenotypes during early development are unable to return to a normal range of adult phenotypes, or whether they do not experience the specific environmental conditions necessary for them to switch back to the normal range of adult phenotypes.
Date:
January 21, 2020
Creator:
Burggren, Warren W.
System:
The UNT Digital Library
The spectrum of two interesting stochastic matrices
Article discusses the determination of the spectrum of two interesting stochastic matrices appearing in an engineering paper.
Date:
January 21, 2020
Creator:
Anghel, Nicolae
System:
The UNT Digital Library