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Growth Miracles and Growth Debacles: Exploring Root Causes
No full textIn this fascinating book, Sambit Bhattacharyya presents a detailed account of the socio-economic processes that create broad variations in living standards across the globe. The author examines the world's economic history over the last five centuries, replete with growth miracles and growth debacles: growth in Britain was steady, yet China lost her early advantage; North America settler colonies performed significantly better than those of Asia and Africa; Australia and Argentina were notably similar at the start of the twentieth century but delivered strikingly different growth outcomes. The book argues that these differences in growth rate are best explained by an interplay of factors, namely economic, political and geographical. In conclusion it presents long-run comparative growth narratives for Africa, China, India, the Americas, Russia and Western Europe. Presenting a unique and original analytical framework to explain economic growth and decline, and bridging empirical growth literature and economic history, this book will prove a stimulating read for both academic and professional economists, and scholars of economic history and economic growth. Other social scientists including sociologists, political scientists and economic historians will also find the book to be of great value
Penggabungan Sumber Internet Load Balancing Dua ISP Di Mikrotik Dengan Metode PCC Guna Memberikan Akses Internet Untuk Penggunaan Chrome Book (Studi Kasus Di SMP Negeri 1 Sambit)
No full textThe need for internet access is currently very high, both to find information, articles and the latest knowledge. Many schools have integrated the internet network into the teaching and learning process. It is hoped that students can easily find material and understand lessons, namely SMP Negeri 1 Sambit, an educational institution that has made it one of the main sources of internet access in the teaching and learning process, namely by using Chrome Books as learning media. SMP Negeri 1 Sambit wants a stable and reliable internet connection. Therefore a solution emerged to combine the two ISPs (Internet Service Provider) and make the proxy a network link. The author uses the PCC (Per Connection Classifier) method, which is a method that can be used in Load Balancing. With this PCC method, it can be used to group connection traffic that goes through or in and out of the router into several groups and divides the load on both internet connection lines so that overload does not occur.
Keywords: ISP (Internet Service Provider), Dual internet connection, Mikrotik, PCC (Per Connection Classifier), Chrome Book
Albumin dialysis in liver failure
No full textEThOS - Electronic Theses Online ServiceGBUnited Kingdo
Data Analytics in Web-based Education in the Higher-education Classroom
No full textAttention span of students in a classroom is very short. To overcome this, different active learning methodologies have been used in the past. Active learning keeps the students busy and engaged throughout the lecture. It breaks the lecture into certain time intervals by intermixing breaks, demonstrations and questions after each interval. For using active learning, clickers and laptops are commonly used in higher education classroom. Most experiments in higher education classroom studying different characteristics of students like learning performance and attention, use clickers and laptop. But, most of these experiments are in a controlled setting, not scalable and compromise the privacy of students. We overcome these problems in an active learning setup in the higher education classroom where we use a web-mediated teaching tool called ASQ. ASQ is a web application that helps to give presentation in a classroom where the presenter has control over the flow of the presentation. ASQ also allows the presenter to interleave the presentation with questions, videos and other interactive JavaScript components. Anyone can anonymously join a presentation in ASQ using a web browser. ASQ tracks the activity of every student interaction by generating event logs each second. In the previous work using ASQ, it has been shown that these logs could be used to infer the attention level of students in the classroom. The goal of this thesis is to gather insights about the fine-grained study behaviour of students in a higher education classroom by analyzing these event logs.We investigate (i) the effect of lecture elements (like the difficulty, relative positioning and spacing of questions; and duration of discussion in the slides) on study behaviour (like attention level, performance and reaction time while answering questions) of students; (ii) the relationship that might exist between attention percentage of students and their participation in the in-class questions; (iii) if students are taking external help when answering questions during the lecture and the relationship that might exist between their tendency to take external help with the difficulty of questions. We conduct our study in a classroom of around 300 students, for 15 lectures in the Web and Database Technology course at TU Delft taught by 2 instructors. We find significant effect of (i) spacing of questions on reaction time and instructor on performance; (ii) length of discussion time associated with a slide on the attention level of students which agrees with past studies; (iii) relative positioning of questions on the performance of students. However, we do not find significant effect of difficulty of questions on performance and reaction time of students while answering these questions. We also find significant effect that students with more attention percentage participate more in the in-class questions. Finally, we find that students take external help while answering questions but the tendency to take external help does not depend on the difficulty of questions
Root Causes of African Underdevelopment
No full textWhat are the root causes of Africa's current state of under-development? Is it the long history of slave trade, the legacy of extractive colonial institutions, or the fallout of malaria? We investigate the relative contributions of these factors using Atlantic distance, Indian Ocean distance, Saharan distance, Red Sea distance, log settler mortality and malaria ecology as instruments. The results show that malaria matters the most and all other factors are statistically insignificant. Malaria also negatively affects savings. The results are robust even when the malaria ecology instrument is replaced by frost, humidity and rainfall and when the latter are used as additional control variables. We find that frost alone is enough to knock off the effects of slave trade and institutions on long-term development in Africa. Copyright 2009 The author 2009. Published by Oxford University Press on behalf of the Centre for the Study of African Economies. All rights reserved. For permissions, please email: [email protected], Oxford University Press.
A framework for 3D x-ray CT iterative reconstruction using GPU-accelerated ray casting
No full textX-ray Computed Tomography (CT) is a powerful nondestructive evaluation (NDE) tool to characterize internal defects and flaws, regardless of surface conditions and sample materials. After data acquisition from a series of X-ray 2D projection imaging, reconstruction methods play a key role to convert raw data (2D radiography) to 3D models. For the past 50 years, standard reconstruction have been performed using analytical methods based on filtered back-projection (FBP) concepts. Numerous iterative methods that have been developed have shown some improvements on certain aspects of the reconstruction quality, but have not been widely adopted due to their high computational requirements. With modern high performance computing (HPC) and graphics processing unit (GPU) technologies, the computing power barrier for iterative methods have been reduced. Iterative methods have more potential to incorporate physical models and a priori knowledge to correct artifacts generated from analytical methods. In this work, we propose a generalized framework for iterative reconstruction with GPU acceleration, which can be adapted for different physical and statistical models in the inner iteration during reconstruction. The forward projection algorithm is an important part of the framework, and is analogous to the ray casting depth map algorithm that was implemented in an earlier work [I] and accelerated using the GPU. Within this framework, different sub-models could be developed in future to deal with different artifacts, such as beam hardening effect and limited angle data problem.This proceeding may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This proceeding appeared in Zhang, Zhan, Sambit Ghadai, Onur Rauf Bingol, Adarsh Krishnamurthy, and Leonard J. Bond. "A framework for 3D x-ray CT iterative reconstruction using GPU-accelerated ray casting." AIP Conference Proceedings 2102, no. 1 (2019): 070002, and may be found at DOI: 10.1063/1.5099749. Posted with permission.</p
Glucose‐6‐phosphate dehydrogenase deficiency: an unusual cause of acute jaundice after paracetamol overdose
No full textA Novel Approach to Breast Cancer Histopathological Image Classification Using Cross-Colour Space Feature Fusion and Quantum-Classical Stack Ensemble Method
No full textBreast cancer classification stands as a pivotal pillar in ensuring timely
diagnosis and effective treatment. This study with histopathological images
underscores the profound significance of harnessing the synergistic
capabilities of colour space ensembling and quantum-classical stacking to
elevate the precision of breast cancer classification. By delving into the
distinct colour spaces of RGB, HSV and CIE L*u*v, the authors initiated a
comprehensive investigation guided by advanced methodologies. Employing the
DenseNet121 architecture for feature extraction the authors have capitalized on
the robustness of Random Forest, SVM, QSVC, and VQC classifiers. This research
encompasses a unique feature fusion technique within the colour space ensemble.
This approach not only deepens our comprehension of breast cancer
classification but also marks a milestone in personalized medical assessment.
The amalgamation of quantum and classical classifiers through stacking emerges
as a potent catalyst, effectively mitigating the inherent constraints of
individual classifiers, paving a robust path towards more dependable and
refined breast cancer identification. Through rigorous experimentation and
meticulous analysis, fusion of colour spaces like RGB with HSV and RGB with CIE
L*u*v, presents an classification accuracy, nearing the value of unity. This
underscores the transformative potential of our approach, where the fusion of
diverse colour spaces and the synergy of quantum and classical realms converge
to establish a new horizon in medical diagnostics. Thus the implications of
this research extend across medical disciplines, offering promising avenues for
advancing diagnostic accuracy and treatment efficacy
Rhizomatic Cities in Italo Calvino’s Invisible Cities
No full textItalo Calvino’s highly successful novel Invisible Cities thoroughly explains Deleuze and Guattari’s famous postmodern concept of rhizome. The cities in the novel do not possess a fixed and coherent structure; rather they exude a structurality that is immensely fleeting and continually evolving. Calvino’s novel Invisible Cities which ironically precedes Deleuze and Guattari’s book A Thousand Plateaus clearly demonstrates the defining characteristic features of rhizome through the unusual and seemingly incomprehensible structure of the individual cities. There have been scanty critical responses in the past regarding the rhizomatic behavior of Calvino’s cities, despite an extraordinary abundance of critical works existing on Calvino’s writing. The rhizomatic patterns of Calvino’s cities, it is believed by the author, need further critical attention. Rhizome, through its perpetually unstable structural modeling, perhaps most effectively demonstrates our utterly disarrayed postmodern condition of existence where any desired structural stability and coherence is a virtual impossibility, and of this trait, Calvino’s cities in the said novel are the principal demonstrators. Based on these precepts, this article intends to analyze how Calvino’s cities in the novel, with their perpetual and immense structural variabilities, exude before the readers a typical postmodern world that wholesomely discards the very idea of structural coherence and stability.
 
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