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109 Matching Results
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Video Game Equipment Loss and Durability in a Circulating Academic Collection
This article reviewed twelve years of circulation data related to loss and damage of video game equipment, specifically consoles, game controllers, and gaming peripherals such as steering wheels, virtual reality headsets, and joysticks in an academic library collection.
Date:
September 24, 2023
Creator:
Robson, Diane; Bryant, Sarah & Sassen, Catherine
Object Type:
Article
System:
The UNT Digital Library
Excited State Charge Separation in an Azobenzene-Bridged Perylenediimide Dimer – Effect of Photochemical Trans-Cis Isomerization
Article demonstrating photoinduced charge transfer and separation events in a newly synthesized azobenzene-bridged perylenediimide-dimer (PDI-dimer). Results offer key insights on the role of the azobenzene bridge and the dimer geometry in governing the excited state charge transfer and separation in symmetrically linked PDI dimer.
Date:
September 20, 2021
Creator:
Zink-Lorre, Nathalie; Seetharaman, Sairaman; Gutiérrez-Moreno, David; Fernández-Lázaro, Fernando; Karr, Paul A. & D'Souza, Francis
Object Type:
Article
System:
The UNT Digital Library
Long-range nonspreading propagation of sound beam through periodic layered structure
Article analyzing dispersion of sound in a solid-fluid layered structure and found a flex point on the isofrequency curve where D vanishes for given direction of propagation and frequency. Nonspreading propagation is experimentally observed in a water steel lattice of 75 periods (~1 meter long) and occurs in the regime of anomalous dispersion and strong acoustic anisotropy when the effective mass along periodicity is close to zero. Under these conditions the incoming beam experiences negative refraction of phase velocity leading to backward wave propagation. The observed effect is explained using a complete set of dynamical equations and our effective medium theory.
Date:
September 2, 2020
Creator:
Zubov, Yurii; Djafari-Rouhani, Bahram; Jin, Yuqi; Sofield, Mathew; Walker, Ezekiel; Neogi, Arup et al.
Object Type:
Article
System:
The UNT Digital Library
Who Is Purged? Determinants of Elite Purges in North Korea
This article argues that elite purges in consolidated dictatorships have a different purpose and logic. Dictators, who have consolidated their position, seek to maximize the efficiency of rule by making the elite obedient through purges. For this purpose, dictators carefully select the purge target by considering various factors. To test this theory, the article examines the pattern of elite purges in North Korea based on an original individual-level dataset, which contains the personal background of 367 North Korean elites and their purge records between 1948 and 2019. Findings suggest that coup-proofing is not the only purpose of elite purges but that ensuring the leader’s political superiority is another purpose of elite purges in consolidated dictatorships.
Date:
September 1, 2021
Creator:
Kim, Taekbin
Object Type:
Article
System:
The UNT Digital Library
Confronting Russia: How Do the Citizens of Countries of the Near Abroad Perceive Their State’s Role?
Article providing an explanation as to why citizens of some states differ from others in their role conceptions, especially those states that were formerly part of the Soviet Union. The authors offer a novel theoretical explanation that accounts for variation in roles, based on each country’s historic relationship with Russia, its emerging relationship with the West and China, and domestic ethnopolitical conditions.
Date:
September 1, 2021
Creator:
Ishiyama, John T. & Breuning, Marijke
Object Type:
Article
System:
The UNT Digital Library
Measuring the impact of suspending Umrah, a global mass gathering in Saudi Arabia on the COVID‑19 pandemic
This article uses a stratified SEIR epidemic model to evaluate the impact of Umrah, a global Muslim pilgrimage to Mecca, on the spread of the COVID-19 pandemic during the month of Ramadan, the peak of the Umrah season. The analyses provide insights into the effects of global mass gatherings on the progression of the COVID-19 pandemic locally and globally.
Date:
September 6, 2021
Creator:
Alshammari, Sultanah M.; Almutiry, Waleed K.; Gwalani, Harsha; Algarni, Saeed M. & Saeedi, Kawther
Object Type:
Article
System:
The UNT Digital Library
Advanced modeling of materials with PAOFLOW 2.0: New features and software design
This article describes the recent re-design of the code and the new features and improvements in performance of PAOFLOW, a software tool that constructs tight-binding Hamiltonians from self-consistent electronic wavefunctions by projecting onto a set of atomic orbitals.
Date:
September 2, 2021
Creator:
Cesaroli, Frank T.; Supka, Andrew; Jayaraj, Anooja; Costa, Marcio; Siloi, Ilaria; Sławińska, Jagoda et al.
Object Type:
Article
System:
The UNT Digital Library
Voter Access & Election Integrity: The 2021 Constitution Day Discussion [Flyer]
Flyer for UNT's Constitution Day event for 2021 which highlights the calls for election reform being renewed around the country. The event was a moderated panel presentation with speakers Jan (Janice) Johnson, Co-President of the League of Women Voters of Denton; Linnie McAdams, Co-President of the League of Women Voters of Denton; and Dr. Matthew Wilson, Associate Professor of Political Science, Southern Methodist University; and moderated by Dr. Rafe Major, University of North Texas.
Date:
September 16, 2021
Creator:
Borck, Catherine A.; King, Kimi L.; Henson, Brea; Sittel, Robbie & Sylve, Joshua
Object Type:
Pamphlet
System:
The UNT Digital Library
Voter Access & Election Integrity: The 2021 Constitution Day Discussion [Video]
Video recording of UNT's Constitution Day event for 2021 which highlights the calls for election reform being renewed around the country. The event was a moderated panel presentation with speakers Jan (Janice) Johnson, Co-President of the League of Women Voters of Denton; Linnie McAdams, Co-President of the League of Women Voters of Denton; and Dr. Matthew Wilson, Associate Professor of Political Science, Southern Methodist University; and moderated by Dr. Rafe Major, University of North Texas.
Date:
September 16, 2021
Creator:
Johnson, Janice; McAdams, Linnie & Wilson, Matthew
Object Type:
Video
System:
The UNT Digital Library
The 19th Amendment: Looking Back & Looking Forward
Video recording of UNT's Constitution Day event for 2020 which celebrates the 100th anniversary of the 19th amendment granting women the right to vote. The event was a moderated panel presentation with speakers Dr. Christina Bejarano, Texas Woman's University; Dr. Rachel Moran, University of North Texas; and Dr. Andrea Silva, University of North Texas, and moderated by Dr. Rafe Major, University of North Texas.
Date:
September 17, 2020
Creator:
Bejarano, Christina; Moran, Rachel Louise & Silva, Andrea
Object Type:
Video
System:
The UNT Digital Library
The Constitution in the Digital Age: Data Technology, Surveillance, and Privacy [Flyer]
Flyer for UNT's 2022 Constitution Day webinar event that featured a wide-ranging conversation on data technology, surveillance, cybersecurity, social media, privacy, and information freedom in honor of Constitution Day. The event was a moderated panel presentation with speakers Amy K. Sanders, Associate Professor, School of Journalism and Media and School of Law, UT Austin; Scott H. Belshaw, founder and director, Cyber Forensics Lab, University of North Texas; Daniella Smith, Director of the Information Science Ph.D. program, University of North Texas; and moderated by Dr. Rafael Major and Dr. Catherine Borck, University of North Texas. A watch party for this webinar was held in 250H of Willis Library.
Date:
September 22, 2022
Creator:
Borck, Catherine A.; Sittel, Robbie & Henson, Brea
Object Type:
Pamphlet
System:
The UNT Digital Library
The Constitution in the Digital Age: Data Technology, Surveillance, and Privacy [Video]
Video recording of UNT's 2022 Constitution Day webinar event that featured a wide-ranging conversation on data technology, surveillance, cybersecurity, social media, privacy, and information freedom in honor of Constitution Day. The event was a moderated panel presentation with speakers Amy K. Sanders, Associate Professor, School of Journalism and Media and School of Law, UT Austin; Scott H. Belshaw, founder and director, Cyber Forensics Lab, University of North Texas; Daniella Smith, Director of the Information Science Ph.D. program, University of North Texas; and moderated by Dr. Rafael Major and Dr. Catherine Borck, University of North Texas. A watch party for this webinar was held in 250H of Willis Library.
Date:
September 22, 2022
Creator:
Sanders, Amy K.; Belshaw, Scott H. & Smith, Daniella
Object Type:
Video
System:
The UNT Digital Library
Modeling and predicting evacuation flows during hurricane Irma
This article proposes a method to model evacuation flows and reveal the patterns of evacuation flows at different spatial scales. First, the authors present a method to characterize evacuation flows at different geographic scales: the state level, considering evacuation flows across southern states affected by Irma; the urban/rural area level, and the county level. Then they demonstrate results on the predictability of evacuation flows in the most affected state, Florida, by using the following environmental factors: the destructive force of the hurricane, the socioeconomic context, and the evacuation policy issued for counties. The results presented in this paper can help decision makers to better understand population evacuation behaviors given certain environmental features, which in turn will aid in the design of efficient and informed preparedness and response strategies.
Date:
September 29, 2020
Creator:
Hong, Lingzi & Frias-Martinez, Vanessa
Object Type:
Article
System:
The UNT Digital Library
Defining Data Literacy: An Empirical Study of Data Literacy Dimension
Poster on an analysis of publications from 2002-2021 on data literacy to identify relevant topics and trends. This is a part of preliminary work done to support a proposal for an Institute of Museum and Library Services (IMLS) grant. It was presented at the 2021 Association for Library and Information Science Education (ALISE) Annual Conference held virtually September 20-24, 2021.
Date:
September 21, 2021
Creator:
Kim, Jeonghyun; Hong, Lingzi & Evans, Sarah
Object Type:
Poster
System:
The UNT Digital Library
Simulation of the formation of antihydrogen via magnetobound positronium
This article simulates Antihydrogen formation involving magnetobound positronium by computing classical trajectories.
Date:
September 9, 2021
Creator:
Aguirre, F. F. & Ordonez, Carlos A.
Object Type:
Article
System:
The UNT Digital Library
Estimating landscape structure effects on pollination for management of agricultural landscapes
Article estimating the effects of different scenarios of forest fragmentation to find an optimized pattern of forest patches for increasing pollination in an agricultural landscape. The authors use simulated agricultural landscapes and landscape metrics to estimate the relationship between pollination and landscape structure.
Date:
September 7, 2021
Creator:
Rahimi, Ehsan; Barghjelveh, Shahindokht & Dong, Pinliang
Object Type:
Article
System:
The UNT Digital Library
The world's southernmost tree and the climate and windscapes of the southernmost forests
Article documenting the world's southernmost tree along with the condition and growth pattern of the world's southernmost forest on Isla Hornos, Chile. This offers an ideal way to test the relationship between the biogeography of individual species and the effects of climate/climate change.
Date:
September 9, 2020
Creator:
Buma, Brian; Holz, Andrés; Díaz, Iván A. & Rozzi, Ricardo, 1960-
Object Type:
Article
System:
The UNT Digital Library
Deriving Theorems in Implicational Linear Logic, Declaratively
This article aims to generate all theorems of a given size in the implicational fragment of propositional intuitionistic linear logic. It was presented at the 36th International Conference on Logic Programming (ICLP).
Date:
September 19, 2020
Creator:
Tarau, Paul & de Paiva, Valeria
Object Type:
Article
System:
The UNT Digital Library
Natlog: a Lightweight Logic Programming Language with a Neuro-symbolic Touch
Article that introduces Natlog, a lightweight Logic Programming language, sharing Prolog's unification-driven execution model, but with a simplified syntax and semantics. The authors' proof-of-concept Natlog implementation is tightly embedded in the Python-based deep-learning ecosystem with focus on content-driven indexing of ground term datasets. As an overriding of the authors symbolic indexing algorithm, the same function can be delegated to a neural network, serving ground facts to Natlog's resolution engine. The open-source implementation is available as a Python package at t https://pypi.org/project/natlog/.
Date:
September 17, 2021
Creator:
Tarau, Paul
Object Type:
Article
System:
The UNT Digital Library
Developmental programming of DNA methylation and gene expression patterns is associated with extreme cardiovascular tolerance to anoxia in the common snapping turtle
This article explores DNA methylation's role in the regulation of gene expression in reptiles. Results show that embryonic hypoxia programs DNA methylation and gene expression patterns and that these changes are associated with enhanced cardiac anoxia tolerance in snapping turtles later in life.
Date:
September 6, 2021
Creator:
Ruhr, Ilan; Bierstedt, Jacob; Rhen, Turk; Das, Debojyoti; Singh, Sunil Kumar; Miller, Solielle et al.
Object Type:
Article
System:
The UNT Digital Library
Complex Periodicity and Synchronization
Article explores experimental walking synchronization and complexity restoration. The main goal is to establish a physiological foundation of these important results based on the recent advances on the dynamics of the brain, interpreted as a system at criticality.
Date:
September 30, 2020
Creator:
Grigolini, Paolo; Mahmoodi, Korosh & West, Bruce J.
Object Type:
Article
System:
The UNT Digital Library
Creativity and Cognition in Extreme Environments: The Space Arts as a Case Study
Article uses 4E cognition as a framework to explore creativity in extreme environments. The article examines space arts as a case study through the history, present practices, and future possible arts in the context of humans beyond the Kármán boundary of the Earth’s atmosphere. This article is part of the research topic Creative Performance in Extreme Human Environments: Astronauts and Space
Date:
September 29, 2020
Creator:
Hays, Kathryn; Kubli, Cris & Malina, Roger F.
Object Type:
Article
System:
The UNT Digital Library
Thermally Tunable Acoustic Beam Splitter Based on Poly(vinyl alcohol) Poly(N-isopropylacrylamide) Hydrogel
Article demonstrating a thermally tunable acoustic beam splitter using a poly(vinyl alcohol) poly(N-isopropylacrylamide) hydrogel (PVA-pNIPAM). The nature of PVA-pNIPAM hydrogel offers exceptional temperature-dependent physical properties due to its phase transition around its lower critical solution temperature. The acoustic impedance of the hydrogel can be tuned below, above, or matched to that of water by changing the environmental temperature. An acoustic wave propagating in water can be split into transmitted and reflected components by the PVA-pNIPAM hydrogel slab on varying its angle of incidence. The intensity ratio between the reflected and the transmitted componence can be adjusted by tuning the temperature of the medium. The acoustic beam can be entirely reflected at a temperature corresponding to the matched impedance between hydrogel and water. The beam-splitting behavior was observed for acoustic waves from both a monochromatic wave and broadband pulse source. In addition, the phase of beam split pulses can be reversed by selecting the hydrogel’s operating temperature.
Date:
September 13, 2021
Creator:
Jin, Yuqi; Zhou, Mi; Choi, Tae-Youl & Neogi, Arup
Object Type:
Article
System:
The UNT Digital Library
Content-Based Characterization of the End of Term Web Archive
Article describes how, since 2008, the End of Term Web Archive has been gathering snapshots of the federal web, consisting of the publicly accessible .gov and .mil websites. This paper describes the decisions made in the creation of these derivatives, the technologies used, and introduces the WARC Metadata Sidecar, which presents a useful approach for creating and storing auxiliary metadata for web archives.
Date:
September 2023
Creator:
Phillips, Mark Edward; Phillips, Kristy & Alam, Sawood
Object Type:
Article
System:
The UNT Digital Library