cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Culturally Driven Freshwater and Fish Monitoring: Opportunities for Social-Ecological Learning in the Northwest Territories’ Dehcho Region
Creators: Stenekes, Sydney
Publisher: name: University of Alberta Library
Year: 2022

There is growing concern about the sustainability of freshwater ecosystems in northern Canada that are under significant stress from climate change, resource development, and hydroelectric development, among others. Community-based monitoring (CBM) based on traditional ecological knowledge (TEK) has the potential to contribute to understanding impacts on the environment and community livelihoods. This thesis shares insights about culturally driven monitoring, through collaborative research with Kátł’odeeche First Nation (KFN) in the Northwest Territories. This research was initiated in 2018 to improve understanding of the changes occurring in the Hay River and Buffalo River sub-basins, which extend primarily across the Alberta and Northwest Territories borders. Drawing on 15 semi-structured interviews conducted with KFN elders, fish harvesters, and youth, this research illustrates the kinds of social–ecological indicators used by KFN to track changes in the health of aquatic systems as well as the fishing livelihoods of local people. Utilizing indicators, fishers observe declines in fish health, water quality, water quantity, and ice thickness in their lifetime. Community members perceive these changes to be a result of the cumulative effects of environmental stressors. The indicators as well as trends and patterns being observed and experienced can contribute to both social-ecological learning in the community as well as the governance of the larger Mackenzie River Basin. In addition, this research generates outcomes about knowledge sharing, social-ecological learning and CBM based on interviews with KFN and six government and academia actors. Overall, findings increase understandings of the content, mechanisms and flows (relationships) by which knowledge is shared in the context of freshwater and fish monitoring within KFN and among various actors, including Indigenous communities, territorial and federal governments. Evidently, CBM provides opportunities for social-ecological learning, which is necessary in improving the management of the Hay River and Buffalo River sub-basins and the larger Mackenzie River Basin, as it contributes to increased understanding of environmental change. This research highlights the importance of relationships among actors in promoting knowledge sharing and uncovers various barriers that may hinder opportunities for social-ecological learning and knowledge sharing through CBM.
Response from Michael Grizer to Mark Wolfe, Rehabilitation of Building 133 Staff Judge Advocate Courthouse, Fort Sam Houston, Texas
Creators: name: Grizer, Michael J.
Publisher: name: Department of the Air Force, Air Education and Training Command
Year: 2012
Subjects: subject: JBSA-Sam Houston
valueUri: https://core.tdar.org/browse/geographic-keyword/82532/jbsa-sam-houston
subject: San Antonio
valueUri: https://core.tdar.org/browse/geographic-keyword/4149/san-antonio
subject: Bexar (County)
valueUri: https://core.tdar.org/browse/geographic-keyword/4150/bexar-county
subject: Texas
valueUri: https://core.tdar.org/browse/geographic-keyword/6923/texas
subject: Historic
valueUri: https://core.tdar.org/browse/culture-keyword/25/historic
subject: Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/318/governmental-structure
subject: Historic Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/320/historic-governmental-structure
subject: Non-Domestic Structures
valueUri: https://core.tdar.org/browse/site-type/309/non-domestic-structures
subject: Building 133
valueUri: https://core.tdar.org/browse/other-keyword/146287/building-133
subject: Staff Judge Advocate
valueUri: https://core.tdar.org/browse/other-keyword/158717/staff-judge-advocate
subject: Courthouse
valueUri: https://core.tdar.org/browse/other-keyword/6897/courthouse
subject: Architectural Documentation
valueUri: https://core.tdar.org/browse/investigation-type/16/architectural-documentation
subject: Heritage Management
valueUri: https://core.tdar.org/browse/investigation-type/24/heritage-management

description: This letter serves as a reply from Joint Base San Antonio at Fort Sam Houston regarding their proposal to rehabilitate Building 133 for the Staff Judge Advocate Courthouse. Included in this correspondence are salient issues given by the Texas Historical Commission and Joint Base San Antonio's responses to these issues.
Toward Photon-Efficient Key Distribution over Optical Channels
Creators: name: Kochman, Yuval
name: Wang, Ligong
name: Wornell, Gregory W.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Information Theory (cs.IT)
subject: Quantum Physics (quant-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: This work considers the distribution of a secret key over an optical (bosonic) channel in the regime of high photon efficiency, i.e., when the number of secret key bits generated per detected photon is high. While in principle the photon efficiency is unbounded, there is an inherent tradeoff between this efficiency and the key generation rate (with respect to the channel bandwidth). We derive asymptotic expressions for the optimal generation rates in the photon-efficient limit, and propose schemes that approach these limits up to certain approximations. The schemes are practical, in the sense that they use coherent or temporally-entangled optical states and direct photodetection, all of which are reasonably easy to realize in practice, in conjunction with off-the-shelf classical codes.
description: In IEEE Transactions on Information Theory; same version except that labels are corrected for Schemes S-1, S-2, and S-3, which appear as S-3, S-4, and S-5 in the Transactions
(:unas) unassigned
Creators: name: (:Unkn) Unknown
Publisher: name: Universita' degli Studi di Salerno
Year: 2024

description: Il saggio discute la cronologia compositiva del monumentale poema settecentesco di Giancarlo Passeroni il Cicerone con una analisi della struttura metrico-retorica del primo canto, contestualizzata nell’epoca storica del pieno Settecento, in cui è vissuto il poeta, sulla base di una metodologia aperta agli approfondimenti tematici e ai confronti letterari con i modelli. L’opera è divisa in tre parti che, con il pretesto di narrare la biografia del grande oratore latino, si spinge in lunghissime disgressioni, soprattutto satiriche, ironiche e fustiganti il malcostume settecentesco.
description: The essay discusses the compositional chronology of Giancarlo Passeroni's monumental eighteenthcentury poem Cicerone with an analysis of the metric-rhetorical structure of the first canto, contextualised in the historical era of the mid-eighteenth century, in which the poet lived, on the basis of a methodology open to thematic insights and literary comparisons with models. The work is divided into three parts that, under the pretext of narrating the biography of the great Latin orator, thrusts itself into lengthy disgressions, above all satirical, ironic and whipping up eighteenth-century malpractice.
Exploration of Non-Resonant Divertor Features on the Compact Toroidal Hybrid
Creators: name: Garcia, K. A.
name: Bader, A.
name: Frerichs, H.
name: Hartwell, G. J.
name: Schmitt, J. C.
name: Allen, N.
name: Schmitz, O.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Non-resonant divertors (NRDs) separate the confined plasma from the surrounding plasma facing components (PFCs). The resulting striking field line intersection pattern on these PFCs is insensitive to plasma equilibrium effects. However, a complex scrape-off layer (SOL), created by chaotic magnetic topology in the plasma edge, connects the core plasma to the PFCs through varying magnetic flux tubes. The Compact Toroidal Hybrid (CTH) serves as a test-bed to study this by scanning across its inductive current. Simulations observe a significant change of the chaotic edge structure and an effective distance between the confined plasma and the instrumented wall targets. The intersection pattern is observed to be a narrow helical band, which we claim is a resilient strike line pattern. However, signatures of finger-like structures, defined as heteroclinic tangles in chaotic domains, within the plasma edge connect the island chains to this resilient pattern. The dominant connection length field lines intersecting the targets are observed via heat flux modelling with EMC3-EIRENE. At low inductive current levels, the excursion of the field lines resembles a limited plasma wall scenario. At high currents, a private flux region is created in the area where the helical strike line pattern splits into two bands. These bands are divertor legs with distinct SOL parallel particle flow channels. The results demonstrate the NRD strike line pattern resiliency within CTH, but also show the underlying chaotic edge structure determining if the configuration is diverted or limited. This work supports future design efforts for a mechanical structure for the NRD.
description: 27 pages, 16 figures, 1 table; revised argument in sections 1, 2, 3, and 5, results unchanged
The perils of thresholding
Creators: name: Font-Clos, Francesc
name: Pruessner, Gunnar
name: Deluca, Anna
name: Moloney, Nicholas R.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The thresholding of time series of activity or intensity is frequently used to define and differentiate events. This is either implicit, for example due to resolution limits, or explicit, in order to filter certain small scale physics from the supposed true asymptotic events. Thresholding the birth-death process, however, introduces a scaling region into the event size distribution, which is characterised by an exponent that is unrelated to the actual asymptote and is rather an artefact of thresholding. As a result, numerical fits of simulation data produce a range of exponents, with the true asymptote visible only in the tail of the distribution. This tail is increasingly difficult to sample as the threshold is increased. In the present case, the exponents and the spurious nature of the scaling region can be determined analytically, thus demonstrating the way in which thresholding conceals the true asymptote. The analysis also suggests a procedure for detecting the influence of the threshold by means of a data collapse involving the threshold-imposed scale.
description: 16 pages, 10 figures
Response from Stanley Graves to John Brenneman, Mechanical Upgrades for Building 2003 Military Recruiting Offices 100 Percent Design Documents, Fort Sam Houston, Texas
Creators: name: Graves, Stanley O.
name: Fleming, Sharon E.
Publisher: name: Texas Historical Commission
Year: 1997
Subjects: subject: JBSA-Sam Houston
valueUri: https://core.tdar.org/browse/geographic-keyword/82532/jbsa-sam-houston
subject: San Antonio
valueUri: https://core.tdar.org/browse/geographic-keyword/4149/san-antonio
subject: Bexar (County)
valueUri: https://core.tdar.org/browse/geographic-keyword/4150/bexar-county
subject: Texas
valueUri: https://core.tdar.org/browse/geographic-keyword/6923/texas
subject: Historic
valueUri: https://core.tdar.org/browse/culture-keyword/25/historic
subject: Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/318/governmental-structure
subject: Historic Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/320/historic-governmental-structure
subject: Military Structure
valueUri: https://core.tdar.org/browse/site-type/322/military-structure
subject: Non-Domestic Structures
valueUri: https://core.tdar.org/browse/site-type/309/non-domestic-structures
subject: Old Artillery Post
valueUri: https://core.tdar.org/browse/other-keyword/158079/old-artillery-post
subject: Hospital
valueUri: https://core.tdar.org/browse/other-keyword/134162/hospital
subject: Building 2003
valueUri: https://core.tdar.org/browse/other-keyword/146502/building-2003
subject: Military Recruiting
valueUri: https://core.tdar.org/browse/other-keyword/158054/military-recruiting
subject: Architectural Documentation
valueUri: https://core.tdar.org/browse/investigation-type/16/architectural-documentation
subject: Heritage Management
valueUri: https://core.tdar.org/browse/investigation-type/24/heritage-management

description: The Texas Historical Commission has received and reviewed the 100% design documents from Fort Sam Houston for the proposed mechanical upgrades for Building 2003, Military Recruiting Offices. The Commission concurs with the determination of "no adverse effect" on the historic resource.
AKARI IRC 2.5-5 um Spectroscopy of Infrared Galaxies over a Wide Luminosity Range
Creators: name: Ichikawa, Kohei
name: Imanishi, Masatoshi
name: Ueda, Yoshihiro
name: Nakagawa, Takao
name: Shirahata, Mai
name: Kaneda, Hidehiro
name: Oyabu, Shinki
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present the result of a systematic infrared 2.5-5 um spectroscopic study of 22 nearby infrared galaxies over a wide infrared luminosity range (10 < log(L_IR / Lsun) < 13) obtained from AKARI Infrared Camera (IRC). The unique band of the AKARI IRC spectroscopy enables us to access both the 3.3 um polycyclic aromatic hydrocarbon (PAH) emission feature from star forming activity and the continuum of torus-dust emission heated by an active galactic nucleus (AGN). Applying our AGN diagnostics to the AKARI spectra, we discover 14 buried AGNs. The large fraction of buried AGNs suggests that AGN activity behind the dust is almost ubiquitous in ultra-/luminous infrared galaxies (U/LIRGs). We also find that both the fraction and energy contribution of buried AGNs increase with infrared luminosity from 10 < log(L_IR / Lsun) < 13, including normal infrared galaxies with log (L_IR / Lsun) < 11. The energy contribution from AGNs in the total infrared luminosity is only ~7% in LIRGs and ~20% in ULIRGs, suggesting that the majority of the infrared luminosity originates from starburst activity. Using the PAH emission, we investigate the luminosity relation between star formation and AGN. We find that these infrared galaxies exhibit higher star formation rates than optically selected Seyfert galaxies with the same AGN luminosities, implying that infrared galaxies could be an early evolutionary phase of AGN.
description: 13 pages, 8 figures, accepted for publication in ApJ
Large-Scale Evaluation of Topic Models and Dimensionality Reduction Methods for 2D Text Spatialization
Creators: name: Atzberger, Daniel
name: Cech, Tim
name: Scheibel, Willy
name: Trapp, Matthias
name: Richter, Rico
name: Döllner, Jürgen
name: Schreck, Tobias
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computation and Language (cs.CL)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Topic models are a class of unsupervised learning algorithms for detecting the semantic structure within a text corpus. Together with a subsequent dimensionality reduction algorithm, topic models can be used for deriving spatializations for text corpora as two-dimensional scatter plots, reflecting semantic similarity between the documents and supporting corpus analysis. Although the choice of the topic model, the dimensionality reduction, and their underlying hyperparameters significantly impact the resulting layout, it is unknown which particular combinations result in high-quality layouts with respect to accuracy and perception metrics. To investigate the effectiveness of topic models and dimensionality reduction methods for the spatialization of corpora as two-dimensional scatter plots (or basis for landscape-type visualizations), we present a large-scale, benchmark-based computational evaluation. Our evaluation consists of (1) a set of corpora, (2) a set of layout algorithms that are combinations of topic models and dimensionality reductions, and (3) quality metrics for quantifying the resulting layout. The corpora are given as document-term matrices, and each document is assigned to a thematic class. The chosen metrics quantify the preservation of local and global properties and the perceptual effectiveness of the two-dimensional scatter plots. By evaluating the benchmark on a computing cluster, we derived a multivariate dataset with over 45 000 individual layouts and corresponding quality metrics. Based on the results, we propose guidelines for the effective design of text spatializations that are based on topic models and dimensionality reductions. As a main result, we show that interpretable topic models are beneficial for capturing the structure of text corpora. We furthermore recommend the use of t-SNE as a subsequent dimensionality reduction.
description: To be published at IEEE VIS 2023 conference
A versatile platform for gas-phase molecular polaritonics
Creators: name: Wright, Adam D.
name: Nelson, Jane C.
name: Weichman, Marissa L.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Strong cavity coupling of gas-phase molecules will enable studies of benchmark chemical processes under strong light-matter interactions with a high level of experimental control and no solvent effects. We recently demonstrated the formation of gas-phase molecular polaritons by strongly coupling the bright $ν_3$, $J=3 \rightarrow 4$ rovibrational transitions of methane (CH$_4$) to a Fabry-Pérot optical cavity mode inside a cryogenic buffer gas cell. Here, we further explore the flexible capabilities of this infrastructure. We show that we can greatly increase the collective coupling strength of the molecular ensemble to the cavity by increasing the intracavity CH$_4$ number density. In doing so, we can tune from the single-mode coupling regime to the multimode coupling regime in which many nested polaritonic states arise as the Rabi splitting approaches the cavity mode spacing. We explore polariton formation for cavity geometries of varying length, finesse, and mirror radius of curvature. We also report a proof-of-principle demonstration of rovibrational gas-phase polariton formation at room temperature. This experimental flexibility affords a great degree of control over the properties of molecular polaritons and opens up a wider range of simple molecular processes to future interrogation under strong cavity-coupling. We anticipate that ongoing work in gas-phase polaritonics will facilitate convergence between experimental results and theoretical models of cavity-altered chemistry and physics.
In-Situ Real-Time Solids Content Measurement of Settling Oil Sands Tailings Based on a Light Scattering Technique
Creators: Zhang, Jiangwen
Publisher: name: University of Alberta Library
Year: 2022

Subsurface solids content measurement of oil sands tailings ponds is essential for tailings management and land reclamation activities. Currently, solids content is primarily measured by manual sampling and offline analytical methods. Light scattering can be used to determine particle sizes and concentration in solutions, which can be an alternative technique for solids content measurement. The focus of this thesis is to develop an in-situ subsurface solids content monitoring system based on light scattering technique to monitor the settling process and solids concentration of FFT (Fluid Fine Tailings) in oil sands tailings ponds at different depths.

An optical sensor prototype consisting of laser diodes and photodiodes was constructed to conduct experiment using a lab-scale settling tank with both visible (405nm & 658nm) and near-infrared (980nm & 1550nm) wavelengths. The setup

was used to determine the settling process. Kaolin was used as a model material as well as FFT samples with different solids concentrations were measured. Both visible and near-infrared wavelength results indicate that the scattered light signal decreased responding to the decrease in solids content.

Light scattering technique can provide relative changes in solids content but not the absolute solids content. Several calibration measurements were then conducted to convert the scattered light signal into absolute solids content. A ring setup and a calibration tank were built to conduct measurements for calibration. Because of the differences in power of laser diodes and the differences in sensitivity of photodiodes, correction factors were obtained to correct the calibration tank and settling tank results. Calibration functions were obtained to convert the scattered light signal into absolute sample concentration in weight percent. With a proper calibration procedure, the light scattering technique can be used to determine solids content with good sensitivity of 1 to 2.5 weight percent in different solids content ranges. A gamma-ray sensor was also developed in our research group to measure solids content. The results of solids content measurement using both optical and gamma-ray sensor agree well in the settling tank experiments. The good agreement suggested that the gamma-ray sensor can be used to provide in-situ calibration for the optical sensor.
Multi-Agent Asynchronous Real-time Maze-solving
Creators: Alian, Hamid
Publisher: name: University of Alberta Library
Year: 2022

In recent years, mazes have been used to study robot behavior by assessing their ability to navigate a maze using various methods. The act of finding a path through a maze from beginning to end is known as maze solving. Some maze-solving methods are employed for use by an agent with no previous knowledge of the maze, while others are designed for use by someone or a computer program capable of seeing the whole maze at once. We consider a situation in which multiple agents are randomly distributed inside an arbitrary rectangular maze and have no previous knowledge of the maze. We provide a solution in the form of an algorithm for the agents to cooperate collaboratively to discover and achieve the hidden goal. We divide our algorithm into two major phases and present rules for each, with each agent is programmed to follow these rules individually. We explained the algorithm's implementation by addressing the challenges we have such that the agents can follow the algorithm in such a way that all agents may move simultaneously. We evaluate our approach using a computer simulation of a square-shaped maze with varying sizes and a variable number of agents. The algorithm performs well in the simulation, is efficient, and reflects the trade-off between utilizing a single agent and multiple agents. We provided the solution's results for both phases. We then validate our algorithm on a physical system consisting of a real maze and many robots. Our solution is primarily based on cooperating and working parallel with all agents.
Application of Deuterium Isotope Effects on NMR Parameters as a Method of Intramolecular Hydrogen Bond Characterization in Enolic Forms of 1,3-diketones in the Solid State
Creators: Matlinska, Maria A.
Publisher: name: University of Alberta Library
Year: 2022

The application of deuterium isotope effects on 13C NMR chemical shifts to study the

nature of intramolecular hydrogen bonding in the enolic forms of two 1,3-diketones,

tetraacetylethane (TAE) and avobenzone, in the solid state is reported. Carbon-13 NMR spectra

of natural abundance TAE and deuterium-labelled TAE (TAE-OD) obtained at room temperature

show a deuterium shift of 1.0 ppm on one of the two enolic carbon nuclei. The deuterium isotope

effect of 2.4 ppm at 163 K is reported. The position of the enolic hydrogen is determined as

favoring one side on the molecule, confirming the asymmetric nature of the hydrogen bond. This

finding is consistent with variable temperature neutron diffraction data, which is one of the most

reliable methods of hydrogen position determination.

In case of avobenzone, the apparent deuterium isotope effect on the enolic carbon on the

tert-butyl side of the molecule is 1.3 ppm at room temperature and 2.0 ppm at 185 K. This is the

largest deuterium isotope effect on carbon chemical shifts reported so far in the literature for

enolic forms of 1,3-diketones. Moreover, variable temperature 13C spectra show temperaturedependent line shapes, indicating unusual intramolecular dynamics i.e., rapid flips of the

methoxybenzene fragment of the molecule. This allowed to estimate the energy barrier of the

methoxybenzene ring rotation that was found to be approximately 57 kJ mol-1

.

The experimental data supplemented by computational results indicates how a distinct

behavior of the enol-bound carbon allows the determination of the position of the hydrogen in

the keto-enol part of the molecule. The research presented in this thesis illustrates the application

of deuterium isotope effects on 13C NMR parameters in the characterization of hydrogen bonding

in the solid state. This thesis offers a distinctive insight into measuring NMR deuterium isotope

effects on carbon-13 nuclei in the solid state, filling a substantial gap in the current literature.
Preservation Brief 40, Preserving Historic Ceramic Tile Floors
Creators: name: Grimmer, Anne E.
name: Konrad, Kimberly A.
Publisher: name: Technical Preservation Services, National Park Service
Year: 2004
Subjects: subject: Historic
valueUri: https://core.tdar.org/browse/culture-keyword/25/historic
subject: Conservation
valueUri: https://core.tdar.org/browse/other-keyword/1819/conservation
subject: Architectural Documentation
valueUri: https://core.tdar.org/browse/investigation-type/16/architectural-documentation
subject: Reconnaissance / Survey
valueUri: https://core.tdar.org/browse/investigation-type/7/reconnaissance-survey
subject: Heritage Management
valueUri: https://core.tdar.org/browse/investigation-type/24/heritage-management
subject: Site Stabilization
valueUri: https://core.tdar.org/browse/investigation-type/11/site-stabilization

description: This is number forty of 42 preservation briefs prepared by the Technical Preservation Services of the National Park Service. This brief focuses on preserving historic ceramic tile floors. This Brief begins with an overview of ceramic tiles as a traditional flooring material. It includes an explanation of the various kinds of historic floor tiles used in the United States and how they were made. General guidance is given on preservation treatments, focusing on maintenance, and, when necessary, selective replacement of damaged floor tiles. The Brief is intended to provide owners and managers of historic properties with an understanding of the significance and historical background of ceramic floor tiles, and a basic awareness of maintenance techniques and various deterioration problems to which tile floors are especially prone. In the case of significant historic ceramic tile floors, a professional conservator of ceramics should be consulted to advise in matters of repair, restoration or conservation. Historically, ceramic tiles were used on walls as wainscotting, on fireplace hearths and fireplace surrounds, and even on furniture, as well as for flooring. However, because floor tiles are subject to greater damage and deterioration, they are the primary emphasis of this Brief. Highlights include: a short history of ceramic floor tiles; a description of ceramic tile types; a summary of traditional installation methods; maintenance techniques; and guidance on repair and replacement.
Integrated turbulence parameters' estimation from NAOMI adaptive optics telemetry data
Creators: name: Morujão, Nuno
name: Correia, Carlos
name: Andrade, Paulo
name: Woillez, Julien
name: Garcia, Paulo
Publisher: name: arXiv
Year: 2023
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Monitoring turbulence parameters is crucial in high-angular resolution astronomy for various purposes, such as optimising adaptive optics systems or fringe trackers. The former are present at most modern observatories and will remain significant in the future. This makes them a valuable complementary tool for the estimation of turbulence parameters. The feasibility of estimating turbulence parameters from low-resolution sensors remains untested. We perform seeing estimates for both simulated and on-sky telemetry data sourced from the new adaptive optics module installed on the four Auxiliary Telescopes of the Very Large Telescope Interferometer. The seeing estimates are obtained from a modified and optimised algorithm that employs a chi-squared modal fitting approach to the theoretical von Kármán model variances. The algorithm is built to retrieve turbulence parameters while simultaneously estimating and accounting for the remaining and measurement error. A Monte Carlo method is proposed for the estimation of the statistical uncertainty of the algorithm. The algorithm is shown to be able to achieve per cent accuracy in the estimation of the seeing with a temporal horizon of 20s on simulated data. A 0.76" +/- 1.2%$|_\mathrm{stat}$ +/- 1.2%$|_\mathrm{sys}$ median seeing was estimated from on-sky data collected from 2018 and 2020. The spatial distribution of the Auxiliary Telescopes across the Paranal Observatory was found to not play a role in the value of the seeing.
Select and Augment: Enhanced Dense Retrieval Knowledge Graph Augmentation
Creators: name: Abaho, Micheal
name: Alfaifi, Yousef H.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computation and Language (cs.CL)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Injecting textual information into knowledge graph (KG) entity representations has been a worthwhile expedition in terms of improving performance in KG oriented tasks within the NLP community. External knowledge often adopted to enhance KG embeddings ranges from semantically rich lexical dependency parsed features to a set of relevant key words to entire text descriptions supplied from an external corpus such as wikipedia and many more. Despite the gains this innovation (Text-enhanced KG embeddings) has made, the proposal in this work suggests that it can be improved even further. Instead of using a single text description (which would not sufficiently represent an entity because of the inherent lexical ambiguity of text), we propose a multi-task framework that jointly selects a set of text descriptions relevant to KG entities as well as align or augment KG embeddings with text descriptions. Different from prior work that plugs formal entity descriptions declared in knowledge bases, this framework leverages a retriever model to selectively identify richer or highly relevant text descriptions to use in augmenting entities. Furthermore, the framework treats the number of descriptions to use in augmentation process as a parameter, which allows the flexibility of enumerating across several numbers before identifying an appropriate number. Experiment results for Link Prediction demonstrate a 5.5% and 3.5% percentage increase in the Mean Reciprocal Rank (MRR) and Hits@10 scores respectively, in comparison to text-enhanced knowledge graph augmentation methods using traditional CNNs.
description: Article has already been puclished to Journal of Artificial Intelligence Research (JAIR)
Understanding the Anomalous Diffusion of Water in Aqueous Electrolytes Using Machine Learned Potentials
Creators: name: Avula, Nikhil V. S.
name: Klein, Michael L.
name: Balasubramanian, Sundaram
Publisher: name: arXiv
Year: 2023
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The diffusivity of water in aqueous cesium iodide solutions is larger than that in neat liquid water, and vice versa for sodium chloride solutions. Such peculiar ion-specific behavior, called anomalous diffusion, is not reproduced in typical force field-based molecular dynamics (MD) simulations due to inadequate treatment of ion-water interactions. Herein, this hurdle is tackled using machine learned atomic potentials (MLPs) trained on data from density functional theory calculations. MLP-based atomistic MD simulations of aqueous salt solutions reproduce experimentally determined thermodynamic, structural, dynamical, and transport properties, including their varied trends of water diffusivities across salt concentration. This enables an examination of their intermolecular structure to unravel the microscopic underpinnings of the distinction in their transport. While both ions in CsI solutions contribute to faster diffusion of water molecules, the competition between the heavy retardation by Na-ions and slight acceleration by Cl-ions in NaCl solutions reduces their water diffusivity.
description: 23 pages, 5 figures
OAHP Inventory, Building 5002 Detached Lavatory Building, Camp Bullis, Texas
Creators: name: Walter, Chelsea
Publisher: name: Office of Archaeology and Historic Preservation
Year: 1978
Subjects: subject: Fort Sam Houston
valueUri: https://core.tdar.org/browse/geographic-keyword/83681/fort-sam-houston
subject: San Antonio
valueUri: https://core.tdar.org/browse/geographic-keyword/4149/san-antonio
subject: Bexar (County)
valueUri: https://core.tdar.org/browse/geographic-keyword/4150/bexar-county
subject: Camp Bullis
valueUri: https://core.tdar.org/browse/geographic-keyword/82533/camp-bullis
subject: Texas
valueUri: https://core.tdar.org/browse/geographic-keyword/6923/texas
subject: Historic
valueUri: https://core.tdar.org/browse/culture-keyword/25/historic
subject: Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/318/governmental-structure
subject: Historic Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/320/historic-governmental-structure
subject: Non-Domestic Structures
valueUri: https://core.tdar.org/browse/site-type/309/non-domestic-structures
subject: Detached Lavatory Building
valueUri: https://core.tdar.org/browse/other-keyword/159133/detached-lavatory-building
subject: Building 5002
valueUri: https://core.tdar.org/browse/other-keyword/146654/building-5002
subject: OAHP
valueUri: https://core.tdar.org/browse/other-keyword/138292/oahp
subject: Architectural Documentation
valueUri: https://core.tdar.org/browse/investigation-type/16/architectural-documentation
subject: Architectural Survey
valueUri: https://core.tdar.org/browse/investigation-type/2/architectural-survey
subject: Heritage Management
valueUri: https://core.tdar.org/browse/investigation-type/24/heritage-management

description: An inventory form by the Office of Archaeology and Historic Preservation for Building 5002 at Fort Sam Houston, Texas. The structure was built in 1935 as a detached lavatory building.
Dynamic Role Authorization in Multiparty Conversations
Creators: name: Ghilezan, Silvia
name: Jakšić, Svetlana
name: Pantović, Jovanka
name: Pérez, Jorge A.
name: Vieira, Hugo Torres
Publisher: name: arXiv
Year: 2014
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Programming Languages (cs.PL)
subject: FOS: Computer and information sciences
subject: D.3.1; F.3.2

description: Protocol specifications often identify the roles involved in communications. In multiparty protocols that involve task delegation it is often useful to consider settings in which different sites may act on behalf of a single role. It is then crucial to control the roles that the different parties are authorized to represent, including the case in which role authorizations are determined only at runtime. Building on previous work on conversation types with flexible role assignment, here we report initial results on a typed framework for the analysis of multiparty communications with dynamic role authorization and delegation. In the underlying process model, communication prefixes are annotated with role authorizations and authorizations can be passed around. We extend the conversation type system so as to statically distinguish processes that never incur in authorization errors. The proposed static discipline guarantees that processes are always authorized to communicate on behalf of an intended role, also covering the case in which authorizations are dynamically passed around in messages.
description: In Proceedings BEAT 2014, arXiv:1408.5564
Schizoanalysis of Creativity within the Korean Educational Context
Creators: Park, Jiae
Publisher: name: University of Alberta Library
Year: 2022

In the South Korean education system, creativity has been recognized as a key strategy that enables the people of South Korea to survive in times of change and to gain an edge in the global society. Curriculum designers, textbook developers, and teachers have transformed educational practices to foster creativity in students’ minds, and students have responded accordingly. However, a series of movements in this connection have not actualized the virtual in a new way; rather represented certain images of creativity through the integration of desires into an already existing system. Given this situation, mapping the complex assemblage of South Korean education can serve a pedagogical purpose of improving the ethics of life by seeking the possibility for counter-actualization that is always-already part of the territory and breaking away from the dogmatic ideas of creativity. Thus, this study attempts to detect creativity assemblage by adopting schizoanalysis used by Deleuze and Guattari (1983, 1987). Schizoanalysis demonstrates how an assemblage develops among heterogeneous forces and how certain assemblages suppress the flow of desires, while promoting lines of flight that escape such oppression. It is necessary for schizoanalysis to be cross-sectional, so this study collected various data such as education policy documents, academic journals, textbooks, class materials, documentaries, and popular cultures. The study procedures begin with investigating how heterogeneous forces within South Korean education form and transmit “creativity” as an order-word. Thereafter, is the exploration of how creativity assemblage intervenes in the desires and bodies of students. The study then turns its attention to examining the desires that are drawn into and paranoically invested into the creativity assemblage for the dominant values, while simultaneously exploring the molecular movements breaking through from it. The results show that the creativity assemblage in South Korean education has patternized differences and amorphous energies into molar categories or stratified lines such as “career paths.” It has tethered students’ connections to the world with the code “utility” and an image of a “human.” Youths nevertheless escaped to a holey space where the regulation of the nation could not reach (Deleuze & Guattari, 1987) and created their own new perceptual strategies and practices. The significance of this study is to reveal the way in which discursive and material repetitions related to creativity inform upon subjective formations and the political aspects thereof. It also lays the foundation for unlocking the variables bound within the existing concepts of creativity and inspiring unconventional ways of thinking by encountering molecular flows that are not captured in an institutional setting.
Correspondence Packet, Use of Building 6202, 6203, 6204 Officer's Quarters for MUAC Training , Camp Bullis, Texas
Creators: name: Walter, Chelsea
Year: 2004
Subjects: subject: San Antonio
valueUri: https://core.tdar.org/browse/geographic-keyword/4149/san-antonio
subject: Bexar (County)
valueUri: https://core.tdar.org/browse/geographic-keyword/4150/bexar-county
subject: Camp Bullis
valueUri: https://core.tdar.org/browse/geographic-keyword/82533/camp-bullis
subject: Texas
valueUri: https://core.tdar.org/browse/geographic-keyword/6923/texas
subject: WWII
valueUri: https://core.tdar.org/browse/temporal-keyword/5196/wwii
subject: Historic
valueUri: https://core.tdar.org/browse/culture-keyword/25/historic
subject: Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/318/governmental-structure
subject: Historic Governmental Structure
valueUri: https://core.tdar.org/browse/site-type/320/historic-governmental-structure
subject: Officer's Quarters
valueUri: https://core.tdar.org/browse/other-keyword/84238/officers-quarters
subject: Building 6202
valueUri: https://core.tdar.org/browse/other-keyword/146717/building-6202
subject: Building 6203
valueUri: https://core.tdar.org/browse/other-keyword/146718/building-6203
subject: MUAC Training
valueUri: https://core.tdar.org/browse/other-keyword/158179/muac-training
subject: Building 6204
valueUri: https://core.tdar.org/browse/other-keyword/146724/building-6204
subject: Architectural Documentation
valueUri: https://core.tdar.org/browse/investigation-type/16/architectural-documentation
subject: Heritage Management
valueUri: https://core.tdar.org/browse/investigation-type/24/heritage-management

description: Correspondence and supportive material for the Department of the Army at Fort Sam Houston's proposal to convert Buildings 6202, 6203, and 6204 at Camp Bullis for use in the Army's urban assault training program.
Beyond small-scale transients: a closer look at the diffuse quiet solar corona
Creators: name: Gorman, J.
name: Chitta, L. P.
name: Peter, H.
name: Berghmans, D.
name: Auchère, F.
name: Cuadrado, R. Aznar
name: Teriaca, L.
name: Solanki, S. K.
name: Verbeeck, C.
name: Kraaikamp, E.
name: Stegen, K.
name: Gissot, S.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Within the quiet Sun corona imaged at 1 MK, much of the field of view consists of diffuse emission that appears to lack the spatial structuring that is so evident in coronal loops or bright points. We seek to determine if these diffuse regions are categorically different in terms of their intensity fluctuations and spatial configuration from the more well-studied dynamic coronal features. We analyze a time series of observations from Solar Orbiter's High Resolution Imager in the Extreme Ultraviolet to quantify the characterization of the diffuse corona at high spatial and temporal resolutions. We then compare this to the dynamic features within the field of view, mainly a coronal bright point. We find that the diffuse corona lacks visible structuring, such as small embedded loops, and that this is persistent over the 25 min duration of the observation. The intensity fluctuations of the diffuse corona, which are within +/-5%, are significantly smaller in comparison to the coronal bright point. Yet, the total intensity observed in the diffuse corona is of the same order as the bright point. It seems inconsistent with our data that the diffuse corona is a composition of small loops or jets or that it is driven by discrete small heating events that follow a power-law-like distribution. We speculate that small-scale processes like MHD turbulence might be energizing the diffuse regions, but at this point we cannot offer a conclusive explanation for the nature of this feature.
description: Accepted for publication in A&A. 10 pages, 8 figures
Oxygen, sulfur, and iron radial abundance gradients of classical Cepheids across the Galactic thin disk
Creators: name: da Silva, R.
name: D'Orazi, V.
name: Palla, M.
name: Bono, G.
name: Braga, V. F.
name: Fabrizio, M.
name: Lemasle, B.
name: Spitoni, E.
name: Matteucci, F.
name: Jonsson, H.
name: Kovtyukh, V.
name: Magrini, L.
name: Bergemann, M.
name: Dall'Ora, M.
name: Ferraro, I.
name: Fiorentino, G.
name: Francois, P.
name: Iannicola, G.
name: Inno, L.
name: Kudritzki, R. -P.
name: Matsunaga, N.
name: Monelli, M.
name: Nonino, M.
name: Sneden, C.
name: Storm, J.
name: Thevenin, F.
name: Tsujimoto, T.
name: Zocchi, A.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Classical Cepheids (CCs) are solid distance indicators and tracers of young stellar populations. Our aim is to provide iron, oxygen, and sulfur abundances for the largest and most homogeneous sample of Galactic CCs ever analyzed. The current sample covers a wide range in Galactocentric distances (RG), pulsation modes and periods. High-resolution and high S/N spectra collected with different spectrographs were adopted to estimate the atmospheric parameters. Individual distances are based on Gaia trigonometric parallaxes or on near-infrared Period-Luminosity relations. We found that Fe and alpha-element radial gradients based on CCs display a well-defined change in the slope for RG larger than 12 kpc. Radial gradients based on open clusters, covering a wide range in age, display similar trends, meaning that the flattening in the outer disk is an intrinsic feature of the radial gradients since it is independent of age. Empirical evidence indicates that the radial gradient for S is steeper than for Fe. The difference in the slope is a factor of two in the linear fit. We also found that S is, on average, under-abundant compared with O. We performed a detailed comparison with Galactic chemical evolution models and we found that a constant Star Formation Efficiency for RG larger than 12 kpc takes account for the flattening in both Fe and alpha-elements. To further constrain the impact that predicted S yields for massive stars have on radial gradients, we adopted a "toy model" and we found that the flattening in the outermost regions requires a decrease of a factor of four in the current S predictions. Sulfur photospheric abundances, compared with other alpha-elements, have the key advantage of being a volatile element. Therefore, stellar S abundances can be directly compared with nebular S abundances in external galaxies.
description: 21 pages, 13 figures, 3 tables; to be published in the A&A journal
Comparing gravitational redshifts of SDSS galaxy clusters with the magnification redshift enhancement of background BOSS galaxies
Creators: name: Jimeno, Pablo
name: Broadhurst, Tom
name: Coupon, Jean
name: Umetsu, Keiichi
name: Lazkoz, Ruth
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: A clean measurement of the evolution of the galaxy cluster mass function can significantly improve our understanding of cosmology from the rapid growth of cluster masses below z < 0.5. Here we examine the consistency of cluster catalogues selected from the SDSS by applying two independent gravity-based methods using all available spectroscopic redshifts from the DR10 release. First, we detect a gravitational redshift related signal for 20,119 and 13,128 clusters with spectroscopic redshifts contained in the GMBCG and redMaPPer catalogues, respectively, at a level of $\sim - 10$ km s$^{-1}$. This we show is consistent with the magnitude expected using the richness-mass relations provided by the literature and after applying recently clarified relativistic and flux bias corrections. This signal is also consistent with the richest clusters in the larger catalogue of Wen et al. (2012), corresponding to $M_{200m} \gtrsim 2 \times 10^{14}\,\mathrm{M}_\odot\,h^{-1}$, however we find no significant detection of gravitational redshift signal for less riched clusters, which may be related to bulk motions from substructure and spurious cluster detections. Second, we find all three catalogues generate mass-dependent levels of lensing magnification bias, which enhances the mean redshift of flux-selected background galaxies from the BOSS survey. The magnitude of this lensing effect is generally consistent with the corresponding richness-mass relations advocated for the surveys. We conclude that all catalogues comprise a high proportion of reliable clusters, and that the GMBCG and redMaPPer cluster finder algorithms favor more relaxed clusters with a meaningful gravitational redshift signal, as anticipated by the red-sequence colour selection of the GMBCG and redMaPPer samples.
description: 16 pages, 11 figures