cssi/SciSciGPT-SciSciNet huggingface dataset:
The Sustainable Community Model Approach to the Development and Use of Multi-Dimensional Quality of Life Indicators

Over the past five years, faculty with the Ohio State University Extension Community Development Program has been engaged in the design and application of a model that promotes sustainable community development at the local level. The development and use of multi-dimensional indicators linking the social, environmental and economic sectors of the community has been a cornerstone of this model, necessary for its success. These indicators have been developed by community residents themselves through series of community visioning sessions that were designed to be inclusionary, reduce barriers to participation, and articulate the community’s ethos. Experts were called upon to translate the indicators into effective measurements, but the residents and the community controlled the process throughout. Through application of multi-dimensional indicators, communities found an integration of social, environmental and economic goals resolved conflicts and increased their mutual awareness of and collaboration among competing local interests. They developed a system of indicators that will effectively monitor and provide direction to the community in achieving its goals. Known as the Sustainable Communities Program, this model has been applied to a rural Appalachian county in their formulation of a vision and community plan and with another in the development of their comprehensive plan. A third use of the model is with a college town in northern Ohio, also in the writing of their comprehensive plan. The lessons learned through the design and application of multi-dimensional quality of life indicators within a sustainable community context as applied to community planning will be the subject of this paper.
To Stroop or not to Stroop: Sex-related differences in brain-behavior associations during early childhood

Executive functions (EFs) are linked with optimal cognitive and social-emotional development. Despite behavioral evidence of sex differences in early childhood EF, little is known about potential sex differences in corresponding brain-behavior associations. The present study examined changes in 4-year-olds' 6-9 Hz EEG power in response to increased executive processing demands (i.e., "Stroop-like" vs. "non-Stroop" day-night tasks). Although there were no sex differences in task performance, an examination of multiple scalp electrode sites revealed that boys exhibited more widespread changes in EEG power as compared to girls. Further, multiple regression analyses controlling for maternal education and non-EF performance indicated that individual differences in boys' and girls' EF performance were associated with different frontal neural correlates (i.e., different frontal scalp sites and different measures of EEG power). These data reveal valuable information concerning sex differences in the neural systems underlying executive processing during early childhood.
Virtual Money Illusion and the Fundamental Value of Non-Fiat Anonymous Digital Payment Methods: Coining a (Bit of) Theory to Describe the Bitcoin Phenomenon

This paper investigates a simple question: What are the determinants of a Non-Fiat Anonymous Digital Payment Method’s (N-FAD) value? The investigation illuminates a unique characteristic of money that is not widely discussed in the economic literature, which distinguishes commonly accepted methods of payment from N-FAD’s. Highlighting the difference between money and N-FAD’s lays a foundation for exposing previously unmentioned valuation concepts to N-FAD’s that provide a theoretical upper bound to the equilibrium price of N-FAD’s and a description of the determinants affecting the rate of stochastic convergence toward equilibrium. In particular, the paper finds that the characteristics of a Bitcoin-type N-FAD algorithm inefficient and entail avoidable risks to the payment methods value.
Abstract W MP31: Thrombotic and Hemorrhagic Complications After Pipeline Embolization - A Platelet Aggregation and Transcranial Doppler Study

In this study, we sought to determine the correlation between the pre-treatment platelet aggregation, and the respective occurrence of thrombotic and hemorrhagic complications after pipeline embolization device (PED) for treatment of intracranial aneurysms. In addition, we evaluated the cerebral hemodynamics and the presence of silent emboli after PED placement in some patients utilizing transcranial Doppler (TCD). Methods: We analyzed the clinical and imaging characteristics of 46 consecutive patients who underwent 48 PED procedures. All patients received double antiplatelet therapy with Clopidogrel 75mg and Aspirin 325mg daily for at least 3 days prior to the planned procedure. Platelet aggregation testing was performed in 41/48 (86%) procedures. Based on the initial ADP % inhibition, patients were divided in 3 groups in the present study: 1) poor responders: 75% Results: Hemorrhagic complications requiring escalation of care occurred i...
Computing optimal Bayesian decisions for rank aggregation via MCMC sampling

We propose two efficient and general MCMC algorithms to compute optimal Bayesian decisions for Mallows' model and Condorcet's model w.r.t. any loss function and prior. We show that the mixing time of our Markov chain for Mallows' model is polynomial in φ-kmax, dmax, and the input size, where φ is the dispersion of the model, kmax measures agents' largest total bias in bipartitions of alternatives, and dmax is the maximum ratio between prior probabilities. We also show that in some cases the mixing time is at least Θ(φ-kmax/2). For Condorcet's model, our Markov chain is rapid mixing for moderate prior distributions. Efficiency of our algorithms are illustrated by experiments on real-world datasets.
SUSTAINABLE WATERSHED MANAGEMENT: IMPACTS OF A 30-YEAR HISTORICAL RECORD OF WATER QUALITY OF THE IOWA RIVER

The effect of farming practices on water quality has been under increased scrutiny in Iowa. Overall water quality in Iowa has improved over the past 30 years, but the number of impaired water bodies in the state is not decreasing. Achieving sustainable watershed management can result in economic benefits to farmers and social benefits to the community, while preserving the ecological integrity of the aquatic ecosystem; it is through our research that we hope to elucidate better methods in order to meet this challenge. The Iowa River has been designated as an impaired water body since 1998 by the Iowa Department of Natural Resources. Coralville Reservoir, a mainstream impoundment of the Iowa River, is classified as a eutrophic lake and an impaired water body due to high bacterial concentrations. It is the primary drinking water source for Iowa City, Iowa. The Coralville Reservoir Water Quality Project was started in 1964 with the original objective of measuring the water quality of the river and reservoir. Continuous monitoring has yielded a data set of over 10,000 data points, allowing the detection of long-term water quality changes and providing insights into the natural and anthropogenic factors responsible for the changes. Preliminary analysis of the data set shows that the amount of nitrate-nitrogen in the reservoir has an increasing trend over a 30-year time span (1972-2003), while the amount of orthophosphate shows a gradual decreasing trend. Total suspended solids have decreased over the same period. Determination of the effectiveness of Best Management Practices (BMPs) on the available sediment and nutrient load by correlating historical and current rates of sediment loading to precipitation events, land use changes, agricultural practices and suburban development will be reported.
IDENTITY OF THE FUNGUS CAUSING RED BAND DISEASE ON PINES

(1964). Identity of the Fungus Causing Red Band Disease on Pines. Mycologia: Vol. 56, No. 1, pp. 103-109.
The oxigram as a measure of cardiorespiratory reserve.

SummaryA graph in which oxygen saturation of the arterial blood is plotted against time while the subject is breathing different concentrations of oxygen in a standard sequence is termed an “oxigram.” Preliminary observations indicate that the oxigram may be useful for measuring cardiorespiratory reserve.
Influence of bronchoscopy on the diagnosis of and outcomes from ventilator-associated pneumonia.

Abstract Background: Ventilator-associated pneumonia (VAP) is a common healthcare-associated infection affecting as many as 27% of mechanically ventilated patients. Ventilator-associated pneumonia is an important source of morbidity and mortality in the surgical intensive care unit (SICU). The optimal diagnostic method for VAP has remained controversial and the role of therapeutic bronchoscopy in the clearance of pulmonary secretions with VAP, in essence source control, remains unknown. Our unit utilizes bronchoscopy inconsistently for these purposes and we chose to evaluate its effectiveness in our patient population with the hypothesis that bronchoscopic diagnosis and therapy results in lower mortality rates and faster clinical resolution. Methods: We analyzed retrospectively all patients treated for VAP in a single SICU between September 2003 and December 2011. Patients were divided into groups based upon diagnostic method and receipt of therapeutic bronchoscopy, and were analyzed for differences in ti...
Design of Iterative Learning Excitation Controller Based on SIMULINK

Iterative learning control theory is applied to the design of excitation controller of synchronous machine in the paper. Stability and dynamic performance of excitation controller is analyzed in a two-machine system by SIMULINK for designing a satisfatory system. Simulation indicates the validity and universality of the method. Performance is greatly improved. The strong ability for supporting the terminal voltage of synchronous machines is obtained. The convergence speed increases comparing to the usual PIDcontroller and linear iterative learning controller ,which is in favor of the stability in power system.
Dual-System Families: Cash Assistance Sequences of Households Involved With Child Welfare

Dual-system families, those involved with the child welfare system and receiving public cash assistance, may be more vulnerable than families connected to only one of the two systems. This study advances our understanding of the heterogeneous and dynamic cash-assistance histories of dual-system families in the post–welfare reform era. With merged administrative data from Washington over the period 1998–2009, we use cluster analysis to group month-to-month sequences of cash-assistance use among households over the 37-month period surrounding child removal. Close to two thirds of families who received any assistance either had a short spell with Temporary Assistance for Needy Families (TANF) or lost TANF. Smaller percentages had steady support. Families who lose assistance are less likely than average to reunify while those who connect to benefits are more likely, suggesting that coordination between systems may serve dual-system families well.
Distractors in Parsons Problems Decrease Learning Efficiency for Young Novice Programmers

Parsons problems are an increasingly popular method for helping inexperienced programmers improve their programming skills. In Parsons problems, learners are given a set of programming statements that they must assemble into the correct order. Parsons problems commonly use distractors, extra statements that are not part of the solution. Yet, little is known about the effect distractors have on a learner's ability to acquire new programming skills. We present a study comparing the effectiveness of learning programming from Parsons problems with and without distractors. The results suggest that distractors decrease learning efficiency. We found that distractor participants showed no difference in transfer task performance compared to those without distractors. However, the distractors increased learners cognitive load, decreased their success at completing Parsons problems by 26%, and increased learners' time on task by 14%.
Thomas T. Tucker: A Beached US Liberty Ship in Cape Point Nature Reserve, South Africa

S.S. Thomas T. Tucker, a US Liberty ship operated by the Merchants and Miners Company on behalf of the US Maritime Commission, was part of the 42-ship convoy carrying material to the African Front during World War II. The ship was reported lost in action, torpedoed at Cape Point. The cargo included 25 Sherman tanks, 16 tank cars, 200 motor vehicles, and barbed wire. This disarticulated beach shipwreck site provides an ideal educational opportunity for students to conduct basic pre-disturbance archaeological recording, geo-referencing, and digital mapping. This case study analyzes site formation processes on the site, examines the concept of in situ preservation of beached wrecks in South Africa, and discusses the connection between this site and South Africa’s role in World War II.
A Pattern Growth-Based Approach for Mining Spatiotemporal Co-occurrence Patterns

Spatiotemporal co-occurrence pattern (STCOP) mining refers to discovering the subsets of event types whose instances frequently co-locate in a spatial context and coincide in a temporal context. STCOP mining is the spatiotemporal extension to Frequent Itemset Mining (FIM). Unlike the classical FIM approaches, which are applied on transactional databases, STCOP mining is applied on the spatiotemporal datasets comprised of event instances which are represented by evolving region trajectories. Previous STCOP mining algorithms are Apriori-based, where the number of candidate patterns can grow exponentially with the number of event types. In this work, we present a pattern growth-based approach for mining STCOPs, which allows us to discover STCOPs without computationally expensive candidate generation processes. We experimented our algorithm with four real-life solar event datasets and compared its performance with the earlier Apriori-based approach.
Reconstruction of upper third auricular defects

The objective of this article is to summarize the current methodology for addressing upper third auricular defects based on comprehensive literature review and the senior author׳s experience. Partial-thickness defects may be addressed using secondary intent, primary closure, excision of exposed cartilage followed by primary closure, or use of skin grafting. This decision is often dictated by the status of the perichondrium. Small full-thickness defects ( 2.0 cm) can often be facilitated by pedicled flaps that require detailed knowledge of the surrounding blood supply. There are a variety of solutions available for the reconstructive surgeon to effectively address this unique challenge.
Design and Analysis of a Reconfigurable Holographic Metasurface Aperture for Dynamic Focusing in the Fresnel Zone

We present numerical simulations of the near-field focusing capabilities of a dynamically reconfigurable holographic metasurface aperture. The aperture consists of a parallel-plate waveguide in which the upper plate is patterned with a number of metamaterial irises that can be dynamically switched between radiating (ON) and non-radiating (OFF) states. A cylindrically symmetric waveguide mode, excited by a coaxial probe in the center of the lower plate, serves to excite the radiating irises, forming a focused spot in the radiating near-field (or Fresnel zone). The layout of the metamaterial elements and their tuning states is determined using holographic design principles, in which the interference pattern of the waveguide (or reference) mode and the desired radiated field pattern leads to the required phase distribution over the surface of the aperture. We also develop an analytical model of the aperture to confirm the numerical simulations, and to illustrate the advantage of the guided-mode as the reference wave versus a plane-wave. We further leverage this analytical model to analyze the diffracted order characteristics of the holographic metasurface aperture, showing high-fidelity focusing patterns even for difficult focusing scenarios across the entire investigated field-of-view.
Oncotype Dx analysis in early stage breast cancer (BC) in BRCA mutation carriers versus non-carriers.

e12065Background: While Oncotype-Dx testing has become the standard of care in early stage ER positive BC, its role in the management of BRCA associated breast cancer is not well defined. Inherited mutations in the BRCA gene are responsible for 5-10% of breast cancers. BRCA2 mutation predisposes to ER positive BC 50% of the time, while BRCA1 mutation is more commonly associated with ER negative tumors. In this report, we sought to evaluate the role of Oncotype Dx in a population of patients (pts) with known BRCA status. Methods: We performed an IRB approved single institution retrospective analysis of women with known BRCA status diagnosed with stage I-II BC (T0-T3, N0-N1). We included women diagnosed with ER and/or PR positive, Her2 neu normal BC between years 1974-2015. Tumor grade and Oncotype –Dx scores were retrieved. We evaluated the relationship between BRCA and Oncotype-Dx scores. Results: 691 pts were included in this study. 133 (19%) were BRCA1 or 2 positive and 558 (81%) were negative. 65 of th...
Statistical process monitoring in the era of smart manufacturing

One of the focuses of smart manufacturing is to create manufacturing intelligence from real-time data to support accurate and timely decision-making. Therefore, data-driven statistical process monitoring is expected to contribute significantly to the advancement of smart manufacturing. In this work, a roadmap of statistical process monitoring (SPM) is presented and we propose statistics pattern analysis (SPA) as a promising SPM tool for smart manufacturing. The rationale behind SPA is discussed and compared with other SPM methods. Simulated and industrial case studies are presented to demonstrate the superior performance of SPA in fault detection and diagnosis. The potential capabilities of SPA to address the characteristics of the big data from smart manufacturing are discussed.
Text-Based Writing in Elementary Classrooms: Teachers' Conceptions and Practice

Writing analytically about text is a valued skill reflected in current academic standards. The quality of text-based writing opportunities in U.S. elementary schools, however, is generally weak, with variation in the rigor of the writing tasks teachers assign. Previous research suggests that teachers’ beliefs about instruction significantly contribute to their decision-making; therefore, teachers’ conception of text-based writing likely influences the tasks they assign. Yet, teachers’ conceptions of text-based writing have yet to be charted. In the present study, through qualitative analysis of interviews, we identified three such conceptions among 4th and 5th grade teachers (n =17)—text-based writing as application of reading skills and strategies (n =10); as inquiry into text ideas (n =5); and a mixed conception, as both skills-and-strategies-based and affective response tangential to text (n =2). Analysis of assigned text-based writing tasks (n = 102) showed that regardless of their conception, all teachers assigned tasks reflecting the assessment and accountability demands of their policy context. Beyond this, teachers’ assigned tasks were consistent with their conception. Teachers who held the first conception assigned predominantly tasks focused on demonstrating reading skills. The second group of teachers assigned a greater proportion of tasks guiding students to interpret or analyze big ideas than did other teachers. Finally, teachers holding mixed conceptions assigned routine skills-based tasks and personal or creative writing in near-equal proportions. We argue that teachers’ conceptions of text-based writing provide an important leverage point for supporting text-based writing instruction.
An improved adaptive multi-frequency GPS carrier tracking algorithm for navigation in challenging environments

This paper presents an improved adaptive multi-frequency (AMF) carrier tracking algorithm applicable to receivers operating in challenging environments. This algorithm is achieved by adaptively switching between the single-frequency tracking (ST) mode and the joint-frequency tracking (JT) mode according to the signal carrier to noise ratio (C/N0) estimates. The ST mode only considers measurements from a single carrier. In the JT mode, states for multiple carriers are modeled and estimated based on measurements obtained utilizing the inter-frequency Doppler relationships among the carriers. The real multi-frequency GPS data collected on Hawaii Island with strong tropospheric and ocean surface multipath scintillations were firstly characterized and analyzed and then used to verify the performance of the proposed algorithm. Tracking results demonstrate that the improved AMF algorithm can improve tracking accuracy over conventional tracking methods in the presence of nonconcurrent frequency selective fading during strong scintillations.
EMPIRICAL ANALYSIS OF ANTECEDENTS OF PERCEIVED CUSTOMER SATISFACTION WITH LINUX

Open Source Software (“OSS”) has attracted significant research interest but research has focused on the development process (“supply side”) of OSS leaving the “demand-side” of OSS relatively unexplored. Further, extant OSS research is lacking in empirical studies. In this study we fill the gap with an empirical analysis of antecedents of perceived customer satisfaction with Linux, the most popular OSS product. We used Ordered Logit technique to analyze a dataset collected through a survey of business-technology professionals. Our results suggest that perceived customer satisfaction with Linux is positively influenced by duration of use and the quality of third party support. We also found a strong relationship between perceived satisfaction with Linux and prevalence of other OSS products in the organization. Further, we found that perceived customer satisfaction with Linux is lower for large firms and higher when the largest distribution of Linux is used. Interestingly, internal IT support capability was found to have no significant effect on perceived customer satisfaction with Linux. Our results contribute to research by verifying traditional customer satisfaction models in an OSS context and also by extending these models to include unique aspects of OSS. On practice side, this research provides directions to the OSS community for achieving higher customer satisfaction.
The Role of Functional Prions in the Persistence of Memory Storage

Cellular and molecular studies of both implicit and explicit memory suggest that experience-dependent modulation of synaptic strength and structure is a fundamental mechanism by which these memories are encoded and stored within the brain. Implicit and explicit memory share in common several molecular steps and an overall molecular logic. Both have two general stages are created in at least two stages: a short-term phase that does not require the synthesis of new protein and a long-term phase that does. Short-term memory involves covalent modification of preexisting proteins and changes in the strength of preexisting synaptic connections, while long-term memory requires transcriptional activation mediated by CREB and the growth of new connections. The distinction between short- and long-term memory and the recruitment of a CREB-mediated activation of gene expression leading to the growth of new synaptic connections have turned out to be almost universal. Maintenance of long-term memory involves, in addition, the functional prion CPEB that regulates local protein synthesis. The self-sustaining, prion-like, activation of CPEB3 appears to be a quite general mechanism for the perpetuation of memory.
The use of social media in nutrition interventions for adolescents and young adults-A systematic review.

Abstract Objective Social media is a potentially engaging way to support adolescents and young adults in maintaining healthy diets and learning about nutrition. This review identifies interventions that use social media to promote nutrition, examines their content and features, and evaluates the evidence for the use of such platforms among these groups. Material and methods We conducted a systematic search of 5 databases (PubMed, CINAHL, EMBASE, PsycINFO, and ACM Digital Library) for studies that included: 1) adolescents and/or young adults (ages 10–19; ages 18–25); 2) a nutrition education or behavior change intervention component, or outcomes related to nutrition knowledge or dietary changes; and 3) a social media component that allowed users to communicate or share information with peers. Results 16 articles were identified that included a social media component in a nutrition-related intervention for adolescents or young adults. Interventions included features in 7 categories: social media; communication; tracking health; education; tailoring; social support; and gamification. 11 out of the 16 studies had at least one significant nutrition-related clinical or behavioral outcome. Conclusion Social media is a promising feature for nutrition interventions for adolescents and young adults. A limited number of studies were identified that included social media. A majority of the identified studies had positive outcomes. We found that most studies utilized only basic social media features, did not evaluate the efficacy of social media components, and did not differentiate between the efficacy of social media compared to other delivery mechanisms.
Work–Life Program Participation and Employee Work Attitudes: A Quasi-Experimental Analysis Using Matching Methods:

Work–life programs (WLPs) have been widely adopted and implemented by public organizations as a means of providing employees with greater choices and flexibility in coordinating their work and pers...
The clinical efficacy of deproteinized bovine bone mineral with 10% collagen in conjunction with localized piezosurgical decortication enhanced orthodontics: A prospective observational study.

Background Evidence exists on the clinical efficacy and safety of periodontally accelerated osteogenic orthodontics (PAOO) with "Piezocision"-a minimally invasive, flapless alternative to corticotomy for alveolar bone augmentation. Allograft has been extensively studied for alveolar bone augmentation in Piezocision; however, the use of deproteinized bovine bone mineral with 10% collagen (DBBM-C) in Piezocision for PAOO has not been investigated. Methods This study is a prospective, observational, cohort study of 19 patients of Angle Class I malocclusion with a total of 692 teeth assessed for maintenance of health of the periodontal attachment apparatus. Patient-centered pain, sensitivity, and satisfaction outcomes, digital photographs and radiographs, and changes in probing depth, clinical attachment level, width of keratinized tissue, percussion sensitivity, pulp vitality tests, radiographic pathology, and root-crown-ratio were all recorded. Results Overall treatment was significantly faster (5 to 7 days between clear aligner tray changes), periodontal parameters remained stable, and alveolar bone loss was not observed. Visual analog score for healing, sensitivity/duration, bleeding/duration, swelling/duration, appearance, and inflammation, demonstrated no significant differences between DBBM-C and control (no bone graft) groups. Patient-centered outcomes revealed high levels of satisfaction with Piezocision. Piezocision-treated teeth with DBBM-C tended to exhibit less root resorption, although it was not statistically significant (P = 0.074). Conclusions Within the limits of the study, our results show that the use of DBBM-C with piezosurgically enhanced orthodontics is effective and safe. This study was not designed to demonstrate equivalence with other materials that might be used in Piezocision. To understand whether there is an advantage to using DBBM-C, additional studies may be required.
Formation Design of Distributed Telescopes in Earth Orbit for Astrophysics Applications

This paper presents a new formation design that enables deployment of large distributed telescopes aligned with inertial targets in Earth orbit. To minimize propellant consumption, the proposed des...
Intraoperative mapping and monitoring of sensory vagal fibers during vagal schwannoma resection

Vagal schwannomas are rare, benign tumors. Intermittent intraoperative neuromonitoring via selective stimulation of splayed motor fibers running on the schwannoma surface to elicit a compound muscle action potential has been previously reported as a method of preserving vagal motor fibers. In this case report, vagal sensory fibers are mapped and continuously monitored intraoperatively during high vagus schwannoma resection using the laryngeal adductor reflex (LAR). Mapping of nerve fibers on the schwannoma surface enabled identification of sensory fibers. Continuous LAR monitoring during schwannoma subcapsular microsurgical dissection enabled sensory (and motor) vagal fibers to be monitored in real time with excellent postoperative functional outcomes. Laryngoscope, 129:E434-E436, 2019.
Readmission after spinal epidural abscess management in urban populations: a bi-institutional study.

OBJECTIVE The incidence of spinal epidural abscess (SEA) is rising, yet there are few reports discussing readmission rates or predisposing factors for readmission after treatment. The aims of the present study were to determine the rate of 90-day readmission following medical or surgical treatment of SEA in an urban population, identify patients at increased risk for readmission, and delineate the principal causes of readmission. METHODS Neurosurgery records from two large urban institutions were reviewed to identify patients who were treated for SEA. Patients who died during admission or were discharged to hospice were excluded. Univariate analysis was performed using chi-square and Student t-tests to identify potential predictors of readmission. A multivariate logistic regression model, controlled for age, body mass index, sex, and institution, was used to determine significant predictors of readmission. RESULTS Of 103 patients with identified SEA, 97 met the inclusion criteria. Their mean age was 57.1 years, and 56 patients (57.7%) were male. The all-cause 90-day readmission rate was 37.1%. Infection (sepsis, osteomyelitis, persistent abscess, bacteremia) was the most common cause of readmission, accounting for 36.1% of all readmissions. Neither pretreatment neurological deficit (p = 0.16) nor use of surgical versus medical management (p = 0.33) was significantly associated with readmission. Multivariate analysis identified immunocompromised status (p = 0.036; OR 3.5, 95% CI 1.1-11.5) and hepatic disease (chronic hepatitis or alcohol abuse) (p = 0.033; OR 2.9, 95% CI 1.1-7.7) as positive predictors of 90-day readmission. CONCLUSIONS The most common indication for readmission was persistent infection. Readmission was unrelated to baseline neurological status or management strategy. However, both hepatic disease and baseline immunosuppression significantly increased the odds of 90-day readmission after SEA treatment. Patients with these conditions may require closer follow-up upon discharge to reduce overall morbidity and hospital costs associated with SEA.
Yield of 48-hour Holter monitoring in children with unexplained palpitations and significance of associated symptoms.

OBJECTIVE To determine the yield of 48-hour Holter monitoring in children with unexplained palpitations and the significance of associated symptoms. METHODS This descriptive study was conducted at the Children's Hospital and Institute of Child Health, Lahore, Pakistan, from January 1 to December 31, 2015. All children above 5 years of age with history of intermittent palpitations and normal basic cardiovascular workup were enrolled. A 48-hour Holter study was performed using Motara Holter Monitoring System. Frequency of various symptoms and abnormal Holter findings were analysed. SPSS 21 was used for data analysis. RESULTS Of the 107 patients, 69(64.5%) were males and 38(34.5%) females. The median age was 10 years (interquartile range: 5-18 years). Most common concomitant symptoms with palpitation included syncope/pre-syncope in 35(32.7%) patients, chest pain 22(20.5%), shortness of breath 21(19.6%) and colour change/pallor 11(10.3%). Holter recording was positive in 40(37%) patients. Frequent premature ventricular contractions 12(11.2%) and atrial ectopic beats 9(8.4%) were the most common findings. Holter findings were significantly more common in patients with history of shortness of breath and colour change/pallor during palpitations (p=0.002). CONCLUSIONS Extended 24-hour Holter monitoring in children with palpitations was an inexpensive, non-invasive investigation with a reasonably high diagnostic yield in detecting arrhythmias.
The economic impact of oil and gas development in the Permian Basin: Local and spillover effects

Abstract: The Permian Basin is one of the most prolific oil and natural gas geologic basins in the US. With soaring production in the last decade, the economic impact of oil and gas development in the basin has become a pressing policy question to answer. This paper presents the first basin-wide study that examines both the employment effect and the income effect of the Permian Basin development. We consider not only the local impact but also the spatial spillover effect and the industry-level spillover effect. To correct for the estimation bias due to the potential simultaneity between drilling decisions and economic activities, an instrumental variables (IV) regression model is proposed. We find that both the employment effect and the income effect of shale development in the basin are highly significant. We also show that there are significant spatial spillover effects and spillover effects onto the indirect industries. Relevant policy implications for the long-run economic prosperity in the Permian Basin are discussed.
Hardware-Based Real-Time Workload Forensics

Workload forensics is a key component of software security that collects and analyzes information to identify suspicious behavior. Researchers from UT Dallas explore a hardware alternative since it is immune from software attacks and does not rely on data collected from the OS or software applications.
Black Lives Matter and COVID-19: Lessons in Coincidence, Confluence, and Compassion

There is a profound lesson in the coincident timing of the Black Lives Matter movement and the COVID-19 pandemic: in each case, support for the most oppressed or most ill amongst us portends support for ourselves. We are humbled to concede that if we do not respect everyone, we do not respect anyone, just as if we don't prevent, treat, and cure disease everywhere, we don't do so anywhere. Our collective dignity and health depend upon the dignity and health of the most vulnerable amongst us. The preservation of oneself depends upon the preservation of all people. Our humanity is inevitably, inexorably, forever entwined with one another.
SIM PlanetQuest : status and recent progress

The SIM project is approaching the end of its technology development phase. With the successful completion of a number of testbeds, including micro-arcsecond stellar interferometry, picometer optical truss metrology, and milli-kelvin thermo-optical characterization, the project is now on a sure footing for the development of requirement for the flight instrument. Here we review the latest technological progress and give a status of the project.
Detrimental Effects of Surface Imperfections and Unpolished Edges on the Cycling Stability of a Zinc Foil Anode

A zinc foil or sheet is the most common form of anode for aqueous zinc ion batteries since it is massively manufactured and readily accessible. Short circuits from dendrites grown on zinc foil anod...
Integrating Acupuncture into Primary Care.

Objectives: To investigate the viability of integrating acupuncture services into a Patient-Centered Primary Care Home (PCPCH) and Federally Qualified Healthcare Center (FQHC) located in a frontier community. The study had two primary aims: (1) to assess demographics, clinical characteristics, and utilization patterns of patients who accessed acupuncture services at Winding Waters Community Health Center (WWCHC), (2) to perform cost-benefit analysis using a basic revenue versus expense calculation. Design: This observational study consisted of two primary components: (1) a retrospective chart review and (2) a basic cost versus revenue assessment. Setting/Location: WWCHC, an FQHC located in frontier Northeastern Oregon. Subjects: Data from 551 charts of patients aging ≥18 years who accessed acupuncture services at WWCHC between January 2017 and December 2018. Results: Patients attended 3210 acupuncture visits. The demographics of patients utilizing acupuncture services reflected community demographics. Mean age was 54 years (±16.9) and 99 patients (18%) reported income below the federal poverty level. The prevalent chief complaint was back and neck pain (46.6% of visits). WWCHC medical providers placed 538 internal referrals for patients to receive acupuncture. Although patients are actively utilizing insurance benefits for acupuncture, reimbursement remains a challenge. Reimbursement rates ranged between 34% and 69% of billed rate. In 2018, 779 visits were paid by patients at an average rate of $48.71 per visit. Despite challenges, clinic revenue for acupuncture services exceeded costs by 4%. Conclusions: The acupuncture program at WWCHC is economically feasible and well utilized by patients. Adequate reimbursement remains a challenge, but it is not cost-prohibitive and provides a nonpharmacologic treatment option in this frontier setting. Revenue for acupuncture services exceeded costs by 4%.
Beamforming optical antenna arrays for nano-bio sensing and actuation applications

Abstract Light is found at the basis of bidirectional interfaces between digital systems and biological systems, including those in nano-bio-sensing and nano-bio-actuation applications. Despite the potentially very small size of optical transceivers and antennas, enabled by the very small wavelength of optical electromagnetic radiation, currently, existing systems commonly rely on macro-sized and intrusive equipment, including table-top microscopes and spectroscopy systems, and fiber optical technology as opposed to wireless setups. These place several bottlenecks between the possibilities and the capabilities of these emerging fields. In this paper, a unified theory is developed to design optical nano-antenna arrays, which are able to manipulate light similarly to how antenna arrays manipulate RF radiation. First, the applications of optical nano-antenna arrays in transmission, reception and reflection are described. Then, the fundamental factors affecting the design of individual optical antennas are described and modeled. The mutual coupling between optical nano-antenna is studied to guide the development of compact antenna arrays. Different beamforming strategies are proposed, and their performance is numerically investigated by means of finite element methods.
Directed Evolution of a Selective and Sensitive Serotonin Biosensor Via Machine Learning

Serotonin is involved in numerous critical physiologic and cognitive processes. Drugs that modulate serotonin transport are among the most widely used medications to treat pervasive mental disorders. Both a deeper understanding of serotoninergic circuitry and design of improved treatments will require the ability to measure serotonin release and transport with high spatial and temporal resolution. Here we developed and applied a binding-pocket redesign strategy guided by machine learning to create a high-performance soluble, fluorescent serotonin sensor (iSeroSnFR). This sensor has requisite selectivity and sensitivity needed for direct detection of serotonin transients in various biological systems, especially permits detection of subsecond-scale serotonin release events during fear conditioning and sleep-to-wakefulness transitions. Furthermore, the solubility of iSeroSnFR allowed us to develop a rapid, cytoplasmic sensor-based assay of serotonin transporter activity in the presence of pharmacological manipulations.
Energy efficiency boost in the AI-infused POWER10 processor

We present the novel micro-architectural features, supported by an innovative and novel pre-silicon methodology in the design of POWER10. The resulting projected energy efficiency boost over POWER9 is 2.6x at core level (for SPECint) and up to 3x at socket level. In addition, a new feature supporting inline AI acceleration was added to the POWER ISA and incorporated into the POWER10 processor core design. The resulting boost in SIMD/AI socket performance is projected to be up to 10x for FP32 and 21x for INT8 models of ResNet-50 and BERT-Large. In this paper, we describe the novel methodology deployed and used not only to obtain these efficiency boosts for traditional workloads, but also to infuse AI/ML/HPC capability directly into the POWER10 core.
Substrate enolate intermediate and mimic captured in the active site of Streptomyces coelicolor methylmalonyl-CoA epimerase.

Methylmalonyl-CoA epimerase (MMCE) is proposed to use general acid-base catalysis, but the proposed catalytic glutamic acids are highly asymmetrical in the active site unlike many other racemases. To gain insight into the puzzling relationships between catalytic mechanism, structure and substrate preference, we solved Streptomyces coelicolor MMCE structures with substrate or 2-nitropropionyl-CoA, an intermediate/transition state analog. Both ligand bound structures have a planar methylmalonate/2-nitropropionyl moiety indicating a deprotonated C2 with ≥4 A distances to either catalytic acid. Both glutamates interact with the carboxylate/nitro group, either directly or through other residues. This suggests the proposed catalytic acids sequentially catalyze proton shifts between C2 and carboxylate of the substrate with an enolate intermediate. In addition, our structures provide a platform to design mutations for expanding substrate scope to support combinatorial biosynthesis.
The Importance of Balance in Engineering Education

The engineer must have a firm grounding in science, but he must operate in areas that are in part above and beyond the well-documented areas of systematized knowledge. If the art of harmonizing and relating conflicting forces and tendencies be crowded out by science to the point where we are merely training scientific technicians, the essence of professionalism in engineering will be lost.
Video Test to Evaluate Detection Performance of Drivers with Hemianopia: Preliminary Results

The ability of individuals with hemianopia to compensate for their vision impairment by eye/head scanning to detect hazards in their non-seeing (blind) hemifield varies widely in both simulator and on-road tests. Conventional visual fields tests do not reflect this variability, while simulator and on-road tests are time-consuming and expensive. The authors therefore developed a simple, 15-minute video-based pedestrian detection test suitable for implementation on a desktop computer and monitor. The test was found to be sensitive to detection deficits in both hemianopia and quadranopia, and predictive of detection performance in a driving simulator. Preliminary findings suggest that the test provides a simple method of measuring detection ability relevant to driving which may be useful both as a screening test and as an evaluation tool for rehabilitation devices and training. Language: en
A Catholic Response to Henry George's Critique of Pope Leo XIII's Rerum Novarum

In Rerum Novarum, the first of the modern social encyclicals, Pope Leo XIII argued that there is a right to the possession of property, but there are limits on the use of wealth. Christians have an obligation to use their property and talents for the good of others. Private ownership must serve not only the interests of the individual but also the public welfare. The disadvantages of private ownership are not to be corrected by socialism, communism, or the free market, but by the teaching of the Church on faith and morals, the laws of the State, and the action of private associations. Efforts to solve the problems of poverty and unjust working conditions will be in vain unless principles of Christian living drawn from the Gospel are taught to people in all ranks of society.
Optimal planning for target localization and coverage using range sensing

This paper presents an algorithm for autonomously calculating active sensing strategies applied to range sensing. The receding-horizon algorithm we use, called Ergodic Exploration of Distributed Information (EEDI), involves two major components: a) calculation of an expected information density map over the search space based on prior information and a model of the sensor, and b) ergodic trajectory optimization over the sensor configuration space with respect to that information map. The ergodic control algorithm does not rely on discretization of the search or action spaces, and is well-posed for coverage with respect to the expected information density whether the information is diffuse or localized. We simulate successful localization and discrimination of targets in a two-dimensional workspace using a fixed-location range sensor under various noise levels, and compare performance to an information maximizing strategy.
PACE in Europe - delivering for advanced continuing education

The continuing education of European Engineers and Scientists at an advanced level is crucial to the competitiveness and technical vitality of European industry. This paper describes a satellite education delivery facility with terrestrial computer conferencing feedback to provide advanced education from European Centres of Expertise, usually based in Universities, to engineers in industry, at their own workplace.
Non-parametric estimation of posterior error probabilities associated with peptides identified by tandem mass spectrometry

Motivation: A mass spectrum produced via tandem mass spectrometry can be tentatively matched to a peptide sequence via database search. Here, we address the problem of assigning a posterior error probability (PEP) to a given peptide-spectrum match (PSM). This problem is considerably more dif.cult than the related problem of estimating the error rate associated with a large collection of PSMs. Existing methods for estimating PEPs rely on a parametric or semiparametric model of the underlying score distribution. Results: We demonstrate how to apply non-parametric logistic regression to this problem. The method makes no explicit assumptions about the form of the underlying score distribution; instead, the method relies upon decoy PSMs, produced by searching the spectra against a decoy sequence database, to provide a model of the null score distribution. We show that our non-parametric logistic regression method produces accurate PEP estimates for six different commonly used PSM score functions. In particular, the estimates produced by our method are comparable in accuracy to those of PeptideProphet, which uses a parametric or semiparametric model designed speci.cally to work with SEQUEST. The advantage of the non-parametric approach is applicability and robustness to new score functions and new types of data. Availability: C++ code implementing the method as well as supplementary information is available at http://noble.gs.washington.edu/proj/qvality Contact: noble@gs.washington.edu
Understanding and Using Context

Context is a poorly used source of information in our computing environments. As a result, we have an impoverished understanding of what context is and how it can be used. In this paper, we provide an operational definition of context and discuss the different ways in which context can be used by context-aware applications. We also present the Context Toolkit, an architecture that supports the building of these context-aware applications. We discuss the features and abstractions in the toolkit that make the task of building applications easier. Finally, we introduce a new abstraction, a situation which we believe will provide additional support to application designers.