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Articles 781 - 810 of 69188
Full-Text Articles in Entire DC Network
Multiple Regression Analysis To Predict The Value Of A Residential Building And To Compare With The Conventional Method Values, Dheeraj Vishwanatha Shetty, B. Prakash Rao, Chandra Prakash, S. Vaibhava
Multiple Regression Analysis To Predict The Value Of A Residential Building And To Compare With The Conventional Method Values, Dheeraj Vishwanatha Shetty, B. Prakash Rao, Chandra Prakash, S. Vaibhava
Open Access archive
Valuation is an art which has found various use in different sectors. But it is seldom restricted to the boundaries of engineers and architects when it comes to property valuation. In the present study, the market value of a residential building situated in Udupi, Karnataka State, India is predicted using Multiple Regression Analysis (MRA) based on the factors affecting the value of the property. This value is then compared with the values obtained by the conventional approaches of valuation like Land and Building method, Rental Income Approach, Composite Rate method and by detailed estimation approach. The property under valuation has …
Application Of Time And Motion Study To Increase The Productivity And Efficiency, Chandra Prakash, B. Prakash Rao, Dheeraj Vishwanatha Shetty, S. Vaibhava
Application Of Time And Motion Study To Increase The Productivity And Efficiency, Chandra Prakash, B. Prakash Rao, Dheeraj Vishwanatha Shetty, S. Vaibhava
Open Access archive
The productivity and efficiency in any construction is always a challenge. Due to various factors the efficiency of men and machine gets reduced hampering the productivity. The purpose of this study is to highlight the benefits of time and motion study employed in construction sector. Time and motion study and work sampling has been employed to measure the productivity of the various construction activities and the paper discusses its application to the various phases of erection of steel structure such as installation of purlins, installation of primary beams and installation of secondary beams on the arrival slab of an airport. …
Two Dimensional Rotor Blade Numerical Analysis Using Ansys, Shlok Anand, Satvik Shenoy, G. Srinivas
Two Dimensional Rotor Blade Numerical Analysis Using Ansys, Shlok Anand, Satvik Shenoy, G. Srinivas
Open Access archive
Turbo-pump is an essential component in any rocket engine. The airfoil (NGTE 10C4 series) section of a rotor blade in the SSME (Space Shuttle Main Engine) was modelled along with a far-field of suitable shape and dimensions. The model was suitably discretized with proper amount of refinement, etc. A numerical simulation was then carried-out using ANSYS software with several iterations of varying inlet boundary conditions to check for any improvement in the performance of the rotor blade. Inlet velocity for optimum functionality of the blade was identified.
Aerodynamic Performance Enhancement Of Missile Using Numerical Techniques, Raghuvaran Divakaran, Nathan Barretto, G. Srinivas
Aerodynamic Performance Enhancement Of Missile Using Numerical Techniques, Raghuvaran Divakaran, Nathan Barretto, G. Srinivas
Open Access archive
The objective of the paper is to conduct aerodynamic analysis on V-2 missile. The V-2 missile was the world's first ballistic missile and the first object to go into space. It is a long-range liquid propelled missile. It uses aerodynamic surfaces such as wings, fins, control surfaces and fuselage to deliver the lateral maneuverability. This is accomplished by deflecting the control surfaces through the actuation mechanism and thereby modifying the equilibrium forces and producing various moments. The V-2 missile was 14 meters long and weighed 12,700-13,200 kg at launching. It produces about 266 KN of thrust. ANSYS modeler is used …
Identifying Climate Change Adaptation Efforts In The Batutegi Forest Management Unit, Indonesia, Christine Wulandari
Identifying Climate Change Adaptation Efforts In The Batutegi Forest Management Unit, Indonesia, Christine Wulandari
Forest and Society
The Batutegi Forest Management Unit (FMU) in Lampung Province, Indonesia is beginning to observe the consequences of climate change. Meanwhile, communities in Batutegi are also suggesting that effects of climate change are becoming more prominent in their region. Indicators include rising air temperature and the increasing regularity of extreme weather changes. Studies show that land cover has decreased by up to 95% in the region. As these trends intensify, predictions note that the Batutegi reservoir and the productivity of the surrounding protected forests will be affected. This research examines FMU efforts to adapt to vulnerabilities from environmental and climate change. …
How Can I Help You? Social Support In The Context Of Attachment Insecurity., Julian Domingo Fuentes
How Can I Help You? Social Support In The Context Of Attachment Insecurity., Julian Domingo Fuentes
Theses - ALL
People in close relationships support each other through various means yet support attempts may be unsuccessful. I propose that people prefer support behaviors matched to their dispositional needs (the personal context) and their relationship with the support provider (the interpersonal context). I also propose that this kind of support is most effective at enhancing relationship quality and reducing personal distress. Attachment theory provides a framework for characterizing differences in dispositional needs and in the specific relationship context between a support recipient and support provider. In three studies, I tested whether one’s trait and relationship-specific attachment orientations are associated with preferences …
Retrospective Analysis Of Hydrologic Performance Of Green Infrastructure Systems Of The Save The Rain (Str) Program In Syracuse, New York, Priyanka Rajashekar
Retrospective Analysis Of Hydrologic Performance Of Green Infrastructure Systems Of The Save The Rain (Str) Program In Syracuse, New York, Priyanka Rajashekar
Theses - ALL
Combined sewer systems and urbanization are significant concerns confronted by many aging cities, including the City of Syracuse, New York. This study addresses the role of impervious surfaces in the direct discharge of surface runoff, domestic and industrial wastewaters into Onondaga Lake and tributaries during wet weather events. Onondaga County addressed the combined surface overflow (CSO) problem in 2009 through a stormwater management program known as "Save the Rain” (STR)." This strategy involved adopting a combination of constructed (gray) and plant-soil-atmosphere based (green) infrastructure (GI) practices to address the CSO issue. GI practices are a proven viable option for stormwater …
Effect Of Combined U-Shaped And Semi-Circular Rib On Heat Transfer Augmentation Of Solar Air Heater-A Cfd Study, M. S. Manjunath
Effect Of Combined U-Shaped And Semi-Circular Rib On Heat Transfer Augmentation Of Solar Air Heater-A Cfd Study, M. S. Manjunath
Open Access archive
This paper presents the numerical analysis on the impact of combined U-shaped rib and semi-circular rib on heat transfer augmentation of flat plate solar air heater system.The analysis is done using the ANSYS Fluent software for various flow Reynolds number ranging from 8000 to 17000. The ribs are placed alternately on the underside of heated plate for a fixed stream-wise pitch of 35mm. The rib height is so chosen that the diameter of semi-circular rib equals the rib height of U-shaped rib. The rib height (e) is varied as 2mm, 3mm and 4mm. The analysis reveals that the combined ribs …
Evidence-Based Practices To Promote Inclusion In Today’S Catholic School, Sean Smith, G Cheatham, Maggie Mosher
Evidence-Based Practices To Promote Inclusion In Today’S Catholic School, Sean Smith, G Cheatham, Maggie Mosher
Journal of Catholic Education
Abstract
The purpose of this article is to present inclusionary practices for Catholic education classrooms that emphasize the integration of evidence-based practices (EBPs). Practices that have been developed to address the needs of all students, particularly learners who are at-risk as well as their peers with an identified disability. Over the past two decades, educational reforms and corresponding effective practices have evolved to correspond with the growing expectations that all student should be given the opportunity to participate in the general education experience. Applying the evidence-based practices presented in this article can provide Catholic educators with the needed support and …
Lidar Object Detection Utilizing Existing Cnns For Smart Cities, Vinay Ponnaganti
Lidar Object Detection Utilizing Existing Cnns For Smart Cities, Vinay Ponnaganti
Master's Projects
As governments and private companies alike race to achieve the vision of a smart city — where artificial intelligence (AI) technology is used to enable self-driving cars, cashier-less shopping experiences and connected home devices from thermostats to robot vacuum cleaners — advancements are being made in both software and hardware to enable increasingly real-time, accurate inference at the edge. One hardware solution adopted for this purpose is the LiDAR sensor, which utilizes infrared lasers to accurately detect and map its surroundings in 3D. On the software side, developers have turned to artificial neural networks to make predictions and recommendations with …
End-To-End Learning Utilizing Temporal Information For Vision- Based Autonomous Driving, Dapeng Guo
End-To-End Learning Utilizing Temporal Information For Vision- Based Autonomous Driving, Dapeng Guo
Master's Projects
End-to-End learning models trained with conditional imitation learning (CIL) have demonstrated their capabilities in driving autonomously in dynamic environments. The performance of such models however is limited as most of them fail to utilize the temporal information, which resides in a sequence of observations. In this work, we explore the use of temporal information with a recurrent network to improve driving performance. We propose a model that combines a pre-trained, deeper convolutional neural network to better capture image features with a long short-term memory network to better explore temporal information. Experimental results indicate that the proposed model achieves performance gain …
Multi-Agent Deep Reinforcement Learning For Walkers, Inhee Park
Multi-Agent Deep Reinforcement Learning For Walkers, Inhee Park
Master's Projects
This project was motivated by seeking an AI method towards Artificial General Intelligence (AGI), that is, more similar to learning behavior of human-beings. As of today, Deep Reinforcement Learning (DRL) is the most closer to the AGI compared to other machine learning methods. To better understand the DRL, we compares and contrasts to other related methods: Deep Learning, Dynamic Programming and Game Theory.
We apply one of state-of-art DRL algorithms, called Proximal Policy Op- timization (PPO) to the robot walkers locomotion, as a simple yet challenging environment, inherently continuous and high-dimensional state/action space.
The end goal of this project is …
Snowpack Reconstruction In North America Using Tree-Rings, Bethany Lynn Coulthard, Kevin J. Anchukaitis, Gregory T. Pederson, Edward Cook, Jeremy Littell, Dan J. Smith
Snowpack Reconstruction In North America Using Tree-Rings, Bethany Lynn Coulthard, Kevin J. Anchukaitis, Gregory T. Pederson, Edward Cook, Jeremy Littell, Dan J. Smith
Geoscience Faculty Research
Climate change has contributed to recent declines in mountain snowpack and earlier runoff, which in turn has intensified hydrological droughts in western North America. Climate model projections suggest that continued and severe snowpack reductions are expected over the 21st century, with profound consequences for ecosystems and human welfare. Yet the current understanding of trends and variability in mountain snowpack is limited by the relatively short and strongly temperature forced observational record. Motivated by the urgent need to better understand snowpack dynamics in a long-term, spatially coherent framework, here we examine snow-growth relationships in western North American tree-ring chronologies. We present …
The Occurrence Of Rocky Habitable-Zone Planets Around Solar-Like Stars From Kepler Data, Steve Bryson, Michelle Kunimoto, Ravi K. Kopparapu, Jeffrey L. Coughlin, William J. Borucki, David Koch, Victor Silva Aguirre, Christopher Allen, Geert Barentsen, Natalie M. Batalha, Travis Berger, Alan Boss, Lars A. Buchhave, Christopher J. Burke, Douglas A. Caldwell, Jennifer R. Campbell, Joseph Catanzarite, Hema Chandrasekaran, William J. Chaplin, Jessie L. Christiansen, Jørgen Christensen-Dalsgaard, David R. Ciardi, Bruce D. Clarke, William D. Cochran, Jessie L. Dotson, Laurance R. Doyle, Eduardo Seperuelo Duarte, Edward W. Dunham, Andrea K. Dupree, Michael Endl, James L. Fanson
The Occurrence Of Rocky Habitable-Zone Planets Around Solar-Like Stars From Kepler Data, Steve Bryson, Michelle Kunimoto, Ravi K. Kopparapu, Jeffrey L. Coughlin, William J. Borucki, David Koch, Victor Silva Aguirre, Christopher Allen, Geert Barentsen, Natalie M. Batalha, Travis Berger, Alan Boss, Lars A. Buchhave, Christopher J. Burke, Douglas A. Caldwell, Jennifer R. Campbell, Joseph Catanzarite, Hema Chandrasekaran, William J. Chaplin, Jessie L. Christiansen, Jørgen Christensen-Dalsgaard, David R. Ciardi, Bruce D. Clarke, William D. Cochran, Jessie L. Dotson, Laurance R. Doyle, Eduardo Seperuelo Duarte, Edward W. Dunham, Andrea K. Dupree, Michael Endl, James L. Fanson
Physics & Astronomy Faculty Research
We present the occurrence rates for rocky planets in the habitable zones (HZs) of main-sequence dwarf stars based on the Kepler DR25 planet candidate catalog and Gaia-based stellar properties. We provide the first analysis in terms of star-dependent instellation flux, which allows us to track HZ planets. We define η⊕ as the HZ occurrence of planets with radii between 0.5 and 1.5 R⊕ orbiting stars with effective temperatures between 4800 and 6300 K. We find that η⊕ for the conservative HZ is between... (See article for full abstract).
Towards A Reduced Phase Space Quantization In Loop Quantum Cosmology With An Inflationary Potential, Kristina Giesel, Bao Fei Li, Parampreet Singh
Towards A Reduced Phase Space Quantization In Loop Quantum Cosmology With An Inflationary Potential, Kristina Giesel, Bao Fei Li, Parampreet Singh
Faculty Publications
We explore a reduced phase space quantization of loop quantum cosmology (LQC) for a spatially flat Friedmann-Lemaître-Robertson-Walker (FLRW) universe filled with reference fields and an inflaton field in a Starobinsky inflationary potential. We consider three separate cases in which the reference fields are taken to be the Gaussian dust, the Brown-Kuchař dust, and massless Klein-Gordon scalar reference fields respectively. This is a "two-fluid"model in which reference fields act as global clocks providing a physical time in an inflationary spacetime, and allow bypassing various technical hurdles in conventional quantum cosmological models. The reduced phase space is obtained in terms of the …
Association Of Baseline And Longitudinal Changes In Body Composition Measures With Risk Of Heart Failure And Myocardial Infarction In Type 2 Diabetes: Findings From The Look Ahead Trial, Kershaw V. Patel, Judy L. Bahnson, Sarah A. Gaussoin, Karen C. Johnson, Xavier Pi-Sunyer, Ursula White, Kayloni L. Olson, Alain G. Bertoni, Dalane W. Kitzman, Jarett D. Berry, Ambarish Pandey
Association Of Baseline And Longitudinal Changes In Body Composition Measures With Risk Of Heart Failure And Myocardial Infarction In Type 2 Diabetes: Findings From The Look Ahead Trial, Kershaw V. Patel, Judy L. Bahnson, Sarah A. Gaussoin, Karen C. Johnson, Xavier Pi-Sunyer, Ursula White, Kayloni L. Olson, Alain G. Bertoni, Dalane W. Kitzman, Jarett D. Berry, Ambarish Pandey
Clinical Research Faculty Publications
Background: Intentional weight loss is associated with lower risk of heart failure (HF) and atherosclerotic cardiovascular disease among patients with type 2 diabetes. However, the contribution of baseline measures and longitudinal changes in fat mass (FM), lean mass (LM), and waist circumference (WC) to the risk of HF and myocardial infarction (MI) in type 2 diabetes is not well established. Methods: Adults from the Look AHEAD trial (Action for Health in Diabetes) without prevalent HF were included. FM and LM were predicted using validated equations and compared with dual-energy x-ray absorptiometry measurements in a subgroup. Adjusted Cox models were used …
Biomolecular Processing Platform And Uses Thereof, Steven A. Soper, Francis Barany, George Grills, Robin Mccarley, Collin J. Mckinney, Dorel Moldovan, Michael C. Murphy, Dimitris Nikitopoulos, Sunggook Park, Elizabeth J. Podlaha-Murphy
Biomolecular Processing Platform And Uses Thereof, Steven A. Soper, Francis Barany, George Grills, Robin Mccarley, Collin J. Mckinney, Dorel Moldovan, Michael C. Murphy, Dimitris Nikitopoulos, Sunggook Park, Elizabeth J. Podlaha-Murphy
College of Science Patents
The present invention relates to a device comprising a biomolecular processor. Each biomolecular processor has one or more bioreactor chambers defined by a solid substrate; a support structure within each bioreactor; a cleaving enzyme immobilized to the support structure and operatively positioned within the bioreactor chamber to cleave monomer or multimer units of a biopolymer molecule operatively engaged by the cleaving enzyme; and one or more time-of-flight channels formed in the solid substrate and fluidically coupled to said one or more bioreactor chambers. Each of the time-of-flight channels have two or more sensors including at least (i) a first sensor …
In Search Of A Stimulating Visual Dance Art Medium: Overlapping Realities In Live And Screen Dance, Yael Levitin Saban
In Search Of A Stimulating Visual Dance Art Medium: Overlapping Realities In Live And Screen Dance, Yael Levitin Saban
Theses and Dissertations
This thesis paper captures research into historical examples of artistic performance pioneers who integrated multiple layers of imagery into complex dialogue and describes how this research inspired and influenced the creation of an original 17-minute video work, “Overlay.”. My interest throughout my MFA Thesis Project has been to understand the effect of fusing or layering multiple movement-based art forms, the application and integration of modern technology to established traditional stage performance, and the creation of engaging new art form.
Family Functioning Guidelines For The Care Of People With Spina Bifida, Tessa K. Kritikos, Grayson Holmbeck
Family Functioning Guidelines For The Care Of People With Spina Bifida, Tessa K. Kritikos, Grayson Holmbeck
Psychology: Faculty Publications and Other Works
Research supports a resilience-disruption model of family functioning in families with a child with spina bifida. Guidelines are warranted to both minimize disruption to the family system and maximize family resilience and adaptation to multiple spina bifida-related and normative stressors. This article discusses the spina bifida family functioning guidelines from the 2018 Spina Bifida Association’s Fourth Edition of the Guidelines for the Care of People with Spina Bifida, and reviews evidence-based directions with the intention of helping individuals with spina bifida achieve optimal mental health throughout their lifespan. Guidelines address clinical questions pertaining to the impact of having a child …
Retaining Opportunities, Completing Key Projects With Remote Student Employees During Covid-19, Henry M. Handley, Kayla Harris
Retaining Opportunities, Completing Key Projects With Remote Student Employees During Covid-19, Henry M. Handley, Kayla Harris
Marian Library Faculty Publications
As the field of higher education began furloughs and layoffs to alleviate COVID-19 budget concerns, cultural heritage workers were directed to clearly demonstrate how their work contributes to institutions’ educational missions. Although physical library and archival collections were deemed inaccessible and less critical during the pandemic than ebooks, electronic journals, and digitized special collections, the two special collections projects considered in this case study demonstrate the value of continuing collections management work remotely and the relevance of student employees and other contingent workers in libraries and archives. The projects—one an inventory and bibliography of books acquired from a defunct religious …
Comparative Analysis Of Cryptographic Key Management Systems, Levgeniia Kuzminykh, Bogdan Ghita, Stavros Shiaeles
Comparative Analysis Of Cryptographic Key Management Systems, Levgeniia Kuzminykh, Bogdan Ghita, Stavros Shiaeles
School of Engineering, Computing and Mathematics
Managing cryptographic keys can be a complex task for an enterprise and particularly difficult to scale when an increasing number of users and applications need to be managed. In order to address scalability issues, typical IT infrastructures employ key management systems that are able to handle a large number of encryption keys and associate them with the authorized requests. Given their necessity, recent years have witnessed a variety of key management systems, aligned with the features, quality, price and security needs of specific organisations. While the spectrum of such solutions is welcome and demonstrates the expanding nature of the market, …
Assessment Of The Nutritional Status Of Malnourished School-Age Egyptian Children, Hoda A. Abed-El Salam, Sally R. Eid, Salwa M. Saleh
Assessment Of The Nutritional Status Of Malnourished School-Age Egyptian Children, Hoda A. Abed-El Salam, Sally R. Eid, Salwa M. Saleh
Journal of Medicine in Scientific Research
Background The nutritional status of school-age children is a primary determinant of children's health, as it influences their physical and mental development. The aim of this study was to assess the nutritional status and dietary intake of macronutrients and micronutrients in a sample of malnourished school-age children (5–12 years) in Egypt. Patients and methods This was a cross-sectional study that included school-age children (5–12 years) recruited from the outpatient clinic of the National Nutrition Institute, Cairo, Egypt. Participants sampling was performed during the period from June to August 2019. In this study, 85 children of both sexes were enr?olled. Results …
Study Of Motor And Sensory Nerve Conduction Of Wrist Palm And Palm-Finger Segments Of Median Nerve And Studying Their Contribution In Diagnosis Of Carpal Tunnel Syndrome, Abeer H. Ismaiel
Journal of Medicine in Scientific Research
Objectives Our objective is to report a modified and simplified technique of sensory and motor segmental conduction studies to improve diagnostic sensitivity, especially in cases with mild carpal tunnel syndrome (CTS). Patients and methods Patients with suspected CTS referred to our electrophysiology laboratory and a control group were included. The data were collected prospectively. The following measurements made: median sensory conduction velocity wrist digit 1(W-1), median sensory conduction velocity wrist digit 3 (W-3), median wrist palm sensory conduction velocity (W-Ps), distoproximal ratio of velocity (D/P), median distal motor latency wrist (MDML) -APB (Abductor pollicis brevis), and median wrist -palm segment …
Research Output Of Dibrugarh University: A Scientometric Analysis Based On Scopus Database, Dhruba Jyoti Borgohain
Research Output Of Dibrugarh University: A Scientometric Analysis Based On Scopus Database, Dhruba Jyoti Borgohain
Library Philosophy and Practice (e-journal)
Scopus is the largest bibliographic (abstract and citation) database of peer-reviewed literature launched in 2004 by Elsevier. In this study the research output of Dibrugarh University, a pioneer institute of higher education in North-East India is analysed based on data collected from Scopus database for thirty years i.e., from 1982 to 2020. A total of 1642 documents with the affiliation ID of Dibrugarh University. This study endeavours to visualize year wise distribution of publication and find out Annual Growth Rate (AGR), the most prolific author on the basis of H-index and number of publications, the top collaborating nations and affiliations …
The Role Of Exposure To Communication Channels, Institutional Trust And Moral Norm In Predicting Pm2.5 Risk-Reduction Intention In China: A Study Of The Theory Of Planned Behavior., Tong Lin
Theses - ALL
Understanding and encouraging people to perform PM2.5 risk-reduction behaviors is essential to reduce the health risks caused by PM2.5 and to promote a healthy lifestyle. This study aims to predict the effects of psychological factors (attitude, perceived behavioral control, subjective norm and moral norm) on individual’s PM2.5 risk-reduction intention. It also looks into how contextual factors (exposure to communication channels and institutional trust) can influence behavioral intention and make contributions to the predicting powers of the theory of planned behavior. To achieve this goal, I analyze the secondary survey data that randomly selected residents living in three regions known for …
Modeling Intra-Annual Variation In Coral Extension Rate Using Multiproxy Geochemical Records From Pacific Corals, Jessie Mccraw
Modeling Intra-Annual Variation In Coral Extension Rate Using Multiproxy Geochemical Records From Pacific Corals, Jessie Mccraw
Theses - ALL
The relationship between coral growth and environmental parameters is not straightforward, and few studies have explored intra-annual changes in extension rate. Variations in the magnitude and timing of intra-annual extension could be influenced by various environmental parameters such as sea surface temperature (SST), light and nutrient availability, turbidity or salinity stress, as well as by inter-annual climate variations such as the El Niño-Southern Oscillation (ENSO). In this study we use SST proxy data from Porites spp. corals to model intra-annual growth using an iterative numerical model comparing growth and temperature sine functions to measured Sr/Ca data to find the best …
Multidisciplinary Approach To Diagnosing And Managing A Case Of Peritoneal Mesothelioma, Jonathan Maw, Geoffrey Kelly, Miriam Enriquez, Ronak Gor, Pauline Germaine
Multidisciplinary Approach To Diagnosing And Managing A Case Of Peritoneal Mesothelioma, Jonathan Maw, Geoffrey Kelly, Miriam Enriquez, Ronak Gor, Pauline Germaine
Cooper Rowan Medical Journal
Peritoneal mesothelioma is a rare cause of a peritoneal mass in adults and can occur in malignant or benign forms. Compared to the pleural variant of mesothelioma, the peritoneal form is understudied due to the small number of reported cases. We present a case of an 84 year old male with a history of asbestos exposure who initially presented for an aggravated hernia, was found to have an incidental mass on imaging, and ultimately was diagnosed with malignant peritoneal mesothelioma (MPM)1 likely related to prior asbestos exposure. This case study will provide a review of literature and discuss the role …
Elderly Musculoskeletal Disease Burden In Karachi, Pakistan: Associations And Implications For Developing Countries, Saniya Sabzwari, Zafar Fatmi, Adeel Ahmed Khan
Elderly Musculoskeletal Disease Burden In Karachi, Pakistan: Associations And Implications For Developing Countries, Saniya Sabzwari, Zafar Fatmi, Adeel Ahmed Khan
Department of Family Medicine
Objective: The global rise in the older population has increased the rates of osteoporosis and osteoarthritis, conditions that impact mobility and functionality. There is limited data on musculoskeletal disease in older populations residing in developing countries.
Methods: A community-based study using multistage cluster random sampling of older individuals was conducted in Karachi. Predefined criteria were used for osteoporosis and osteoarthritis. Gait assessment was performed.
Results: More than half of the participants were females and 53% reported illiteracy. Around 30% had osteoporosis and two-thirds had osteoarthritis. Multivariate analysis showed associations of female sex, Pashtun ethnicity, illiteracy, and hypertension with the combined …
Securing User Interaction Channels On Mobile Platform Using Arm Trustzone, Amit Ahlawat
Securing User Interaction Channels On Mobile Platform Using Arm Trustzone, Amit Ahlawat
Dissertations - ALL
Smartphones have become an essential part of our lives, and are used daily forimportant tasks like banking, shopping, and making phone calls. Smartphones provide several interaction channels which can be affected by a compromised mobile OS. This dissertation focuses on the user interaction channels of UI input and audio I/O. The security of the software running on smartphones has become more critical because of widespread smartphone usage. A technology called TEE (Trusted Execution Environment) has been introduced to help protect users in the event of OS compromise, with the most commonly deployed TEE on mobile devices being ARM TrustZone.
This …
Nonparametric Identification And Estimation Of Stochastic Frontier Models, Jun Cai
Nonparametric Identification And Estimation Of Stochastic Frontier Models, Jun Cai
Dissertations - ALL
This dissertation studies nonparametric identication and estimation of stochastic frontiermodels. It is composed of three chapters. The rst chapter investigates the identication and estimation of a cross sectional stochastic frontier model with Laplacian errors and unknown variance, which is built on a nonparametric density deconvolution strategy. Chapter two studies a zero-ineciency stochastic frontier model utilizing a penalized sieve estimator, which allows flexible function forms and arbitrary distributions of ineciency. The third chapter explores identication and estimation of a nonparametric panel stochastic frontier model based on Kotlarski's Lemma and moments derived from conditional characteristic functions.