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8183 articles
Journal: Artery Research
Research Article
Pulse pressure measured at the level of the femoral artery, but not at the level of the aorta, carotid and brachial arteries, is associated with the incidence of coronary heart disease events in a population with a high prevalence of type 2 diabetes and impaired glucose metabolism – The Hoorn study
A.D. Protogerou, T.T. van Sloten, R.M.A. Henry, J.M. Dekker, Giel Nijpels, C.D.A. Stehouwer
Pages: 19 - 26
Introduction: Central (aortic or carotid) pulse pressure (PP) is more strongly associated with local organ damage and possibly mortality than brachial PP.
Aim: To investigate for the first time the association of femoral (f) PP with all-cause mortality, and incident cardiovascular disease (CVD), coronary...
Journal: Artery Research
Research Article
Performance assessment of pulse wave imaging using conventional ultrasound in canine aortas ex vivo and normal human arteries in vivo
Ronny X. Li, William Qaqish, Elisa E. Konofagou
Pages: 19 - 28
The propagation behavior of the arterial pulse wave may provide valuable diagnostic information for cardiovascular pathology. pulse wave imaging (PWI) is a noninvasive, ultrasound imaging-based technique capable of mapping multiple wall motion waveforms along a short arterial segment over a single cardiac...
Journal: Artery Research
Research Article
The assessment of carotid–femoral distance for aortic pulse wave velocity: Should it be estimated from body height?☆
Jan Filipovský, Otto Mayer, Milena Dolejšová, Jitka Seidlerová
Pages: 19 - 23
Background: Aortic pulse wave velocity (PWV) can be biased by the measurement of carotid–femoral (c-f) distance on body surface. We wondered whether the estimation of distance according to body height could be used.
Methods: Three cohorts of altogether 596 subjects (mean age 58.9 years) were studied....
Perspective
Research on the Contagion Mechanism of Associated Credit Risk in the Supply Chain
Xiaofeng Xie, Yang Yang, Jing Gu, Zongfang Zhou
Pages: 19 - 22
In recent years, the credit crisis of Hainan Airlines Holding Co., Ltd., (HNA), Suntech, Bogang, Dunan, Chengxing and other enterprises, as well as the fact that many enterprises and financial institutions in the supply chain suffer heavy losses caused by the credit crisis, make the associated credit...
Research Article
The Prediction of COVID-19 Using LSTM Algorithms
Myung Hwa Kim, Ju Hyung Kim, Kyoungjin Lee, Gwang-Yong Gim
Pages: 19 - 24
As COVID-19 enters the pandemic stage, the resulting infections, deaths and economic shocks are emerging. To minimize anxiety and uncertainty about socio-economic damage caused by the COVID-19 pandemic, it is necessary to reasonably predict the economic impact of future disease trends by scientific means....
Journal: Artery Research
Conference Abstract
P4.19 CARDIOVASCULAR RISK FACTORS AND LEFT VENTRICULAR HYPERTROPHY IN CHILDREN WITH CHRONIC KIDNEY DISEASE
Dorota Drozdz*, Przemko Kwinta, Zbigniew Kordon, Katarzyna Zachwieja, Monika Miklaszewska, Krystyna Sztefko, Andrzej Rudzinski, Jacek Antoni Pietrzyk
Pages: 19 - 20
Cardiovascular diseases are substantial causes of mortality among patients with chronic kidney disease (CKD). The aim of the study was an assessment of the impact of cardiovascular risk factors on left ventricular hypertrophy (LVH) in children with CKD.
Material and methods: The study was conducted...
Journal: Artery Research
Conference Abstract
P4.18 THE ASSUMPTION THAT BLOOD PRESSURE DECREASES OVER CONSECUTIVE MEASUREMENTS IS FALSE: MAJOR IMPLICATIONS FOR HYPERTENSION DIAGNOSIS AND GUIDELINES
Panagiota Veloudi*, Leigh Blizzard, Velandai Srikanth, Martin Schultz, James E. Sharman
Pages: 19 - 19
Background: There is anecdotal belief that clinic blood pressure (BP) drops over consecutive measurements. This has led to guideline recommendations to discard the first BP reading, or take only one reading if systolic BP (SBP) <140 mmHg. However, the magnitude and direction of change in SBP over...
Journal: Artery Research
Conference Abstract
P4.17 ARTERIAL STIFFNESS IN YOUNG PATIENTS WITH PERIPHERAL ARTERIAL DISEASE
Mariella Catalano*, Giovanni Scandale, Gabriel Dimitrov, Marzio Minola, Martino Recchia, Francesca Galli, Gianni Carzaniga, Maria Carotta
Pages: 19 - 19
Increased arterial stiffness occurs in older patients with peripheral arterial disease (PAD). In this study we compared arterial stiffness and central hemodynamic parameters in young (< 60 years of age) PAD patients and controls. In 31 PAD patients with an ankle-brachial index (ABI≤ 0.9) and 42 controls,...
Journal: Artery Research
Conference Abstract
P4.16 THE MYOTROPHOBLAST OF THE RAT PLACENTA: EX VIVO STUDY OF NITRIC OXIDE SYNTHASE INHIBITION
Ilana Ariel, Galina Skarzinski, Vitali Belzer, Wiessam Abu-Ahmad, Zaid Abassi, Michael Bursztyn*
Pages: 19 - 19
Introduction: Endovascular trophoblasts (EVasT) of the rat express smooth muscle (SM) proteins and contract ex vivo upon exposure to endothelin-1 (ET1). Contraction is mediated via ET1 receptors A and B (ETA, ETB). In vascular SM ETB, in variance from ETA, exerts relaxation through activation of nitric...
Journal: Artery Research
Conference Abstract
P4.15 BLOOD PRESSURE, BODY MASS INDEX AND ARTERIAL ELASTIC PROPERTIES IN YOUNG PEOPLE
Vasyl Yagensky
Pages: 19 - 19
Pulse wave velocity (PWV) is widely used for arterial stiffness assessment. Increased arterial stiffness is a predictor of cardiovascular risk in adults. There are limited data on PWV and its determinants in young people. Study was performed to compare PWV and its association with blood pressure (BP)...
Research Article
Deforming the Lie Superalgebra of Contact Vector Fields on S1|1 Inside the Lie Superalgebra of Superpseudodifferential Operators on S1|1
N. Ben Fraj, S. Omri
Pages: 19 - 33
We classify nontrivial deformations of the standard embedding of the Lie superalgebra K(1) of contact vector fields on the (1,1)-dimensional supercircle into the Lie supealgebra of superpseudodifferential operators on the supercircle. This approach leads to the deformations of the central charge induced...
Research Article
Word Similarity from Dictionaries: Inferring Fuzzy Measures from Fuzzy Graphs
Vicenc Torra, Yasuo Narukawa
Pages: 19 - 23
WORD SIMILARITY FROM DICTIONARIES: INFERRING FUZZY MEASURES FROM FUZZY GRAPHS The computation of similarities between words is a basic element of information retrieval systems, when retrieval is not solely based on word matching. In this work we consider a measure between words based on dictionaries....
Research Article
Use of Information and Communication Technology by State Owned Enterprises in Bangladesh: Comparison between privatized and non privatized SOEs
Ahsanullah M. Dewan, Siafullah M. Dewan, Shams Ara Nazmin
Pages: 19 - 32
The objective of this paper is to compare the use of ICT by privatized and non-privatized SOEs to enhance competitiveness and productivity. The paper in particular addresses issues related to: the opportunities of using ICT applications in the value-creating processes for SOEs, and challenges in adopting...
Research Article
Development of Dam Inspection Underwater Robot
Hiroyasu Hirai, Kazuo Ishii
Pages: 18 - 22
The maintenances of social infrastructures such as dams and bridges are important subjects. The older the infrastructure becomes, the more need there is for effective inspection methods. In the inspection of the underwater dam structure, divers can be used, but the inspection result is insufficient....
Journal: Artery Research
Research Article
Effects of dynamic range variations on the Doppler flow velocities of common carotid arteries
Donboklang Lynser, Chhunthang Daniala, Aman Yusuf Khan, Evarisalin Marbaniang, Ibamelaker Thangkhiew
Pages: 18 - 23
Introduction: Doppler ultrasound is the commonest diagnostic tool used to evaluate the internal, external and common carotid arteries (CCA). Peak systolic velocity (PSV) is the best Doppler parameter for quantifying carotid artery degree of stenosis.
Materials and methods: Normal Doppler waveforms of...
Journal: Artery Research
Review Article
Vascular dysfunction: At the heart of cardiovascular disease, cognitive impairment and depressive symptoms☆
T.T. van Sloten
Pages: 18 - 23
Vascular dysfunction may be an important pathway through which ageing and other factors, such as diabetes and obesity, can cause diseases of the heart and brain. Vascular dysfunction includes dysfunction of large arteries (due to arterial stiffness), the microcirculation (microvascular dysfunction) and...
Journal: Artery Research
Research Article
Estimates of arterial stiffness and central blood pressure in patients with type 2 diabetes: A comparison of SphygmoCor and Arteriograph
Christoffer Krogager, Niklas B. Rossen, Klavs W. Hansen, Søren T. Knudsen, Christian D. Peters, Hans Erik Bøtker, Per L. Poulsen, Esben Laugesen
Pages: 18 - 24
Background: The Arteriograph is a cuff-based oscillometric device for non-invasive assessment of central systolic blood pressure (cSBP), aortic augmentation index (Aix) and aortic pulse wave velocity (PWV). Reproducibility of Arteriograph measurements and the agreement with SphygmoCor in diabetic patients...
Journal: Clinical Hematology International
Review Article
Clinical Advancement and Challenges of ex vivo Expansion of Human Cord Blood Cells
Oluwadunni E. Emiloju, Rashmika Potdar, Vinicius Jorge, Sorab Gupta, Gabor Varadi
Pages: 18 - 26
Apart from peripheral blood stem cell (PBSC), umbilical cord blood (UCB) is now a recognized source of stem cells for transplantation. UCB is an especially important source of stem cells for minority populations, which would otherwise be unable to find appropriately matched adult donors. UCB has fewer...
Journal: Materials Highlights
Research Article
Nanofabrication of Janus Fibers through Side-by-Side Electrospinning - A Mini Review
He Lv, Deng-Guang Yu, Menglong Wang, Tingbao Ning
Pages: 18 - 22
Janus and core–shell nanostructures are the most fundamental structural characteristics for comprising all types of multiple-chamber structures. The facile preparation of Janus structure is one of the most difficult challenges in the field of nanofabrication, whose production can pave a broad way for...
Research Article
Defect Detection of Micro-Precision Glass Insulated Terminals
Qunpo Liu, Mengke Wang, Zonghui Liu, Bo Su, Naohiko Hanajima
Pages: 18 - 23
Micro-precision Glass Insulated Terminals (referred to as glass terminals) are the core components used in precision electronic equipment and are often used for electrical connections between modules. As a glass terminal, its quality has a great influence on the performance of precision electronic equipment....
Journal: Human-Centric Intelligent Systems
Research Article
An Empirical Study of Learning Based Happiness Prediction Approaches
Miao Kong, Lin Li, Renwei Wu, Xiaohui Tao
Pages: 18 - 24
In today’s society, happiness has attracted more and more attentions from researchers. It is interesting to study happiness from the perspective of data mining. In psychology domain, the application of data mining gradually becomes widespread and popular, which works from a novel data-driven viewpoint....
Journal: Artery Research
Conference Abstract
P4.14 PREVALENCE OF DIASTOLIC LEFT VENTRICULAR DYSFUNCTION IN EUROPEAN POPULATIONS BASED ON CROSS-VALIDATED DIAGNOSTIC THRESHOLDS
M. Kloch-Badelek*, T. Kuznetsova, W. Sakiewicz, V. Tikhonoff, A. Ryabikov, M. Loster, K. Stolarz-Skrzypek, L. Thijs, K. Narkiewicz, J. Staessen, K. Kawecka-Jaszcz, D. Czarnecka
Pages: 18 - 18
Objective: Different diagnostic criteria limit comparisons between populations in the prevalence of diastolic left ventricular (LV) dysfunction. We aimed to compare across populations age-specific echocardiographic criteria for diastolic LV dysfunction as well as their correlates and prevalence.
Methods:...
Journal: Artery Research
Conference Abstract
P4.13 HERITABILITY AND OTHER DETERMINANTS OF LEFT VENTRICULAR DIASTOLIC FUNCTION IN THE FAMILY-BASED POPULATION STUDY
M. Kloch-Badełek*, V. Tikhonoff, L. Thijs, W. Sakiewicz, K. Stolarz-Skrzypek, K. Narkiewicz, J. Staessen, T. Kuznetsova, K. Kawecka-Jaszcz, D. Czarnecka
Pages: 18 - 18
Background: Understanding to what extent genetic factors influence diastolic Doppler indexes is an important issue in view of the relation of left ventricular (LV) diastolic dysfunction with outcome. We, therefore, investigated in nuclear families recruited from the general population the heritability...
Journal: Artery Research
Conference Abstract
P4.12 REFERENCE VALUES OF CENTRAL BLOOD PRESSURE IN ADULTS USING A VALIDATED NON-INVASIVE OSCILLOMETRIC METHOD
Bela Benczur*, Renata Bocskei, Attila Cziraki, Miklos Illyes
Pages: 18 - 18
Central systolic pressure (csBP) is strongly correlated with cardiovascular outcomes than brachial pressure. However, until recently there weren’t widely accepted reference values of csBP established yet. The aim of this work was to determine this missing values of csBP assessed by oscillometric method....
Journal: Artery Research
Conference Abstract
P4.11 ENDOTHELIAL DYSFUNCTION IN URBANIZED AFRICANS WITH LOW PLASMA RENIN LEVELS: THE SABPA STUDY
Johannes van Rooyen*, Rijane Swart, Carina Mels
Pages: 18 - 18
Background and objectives: It is known that high renin levels could damage the vasculature and may cause retinal detachment, stroke, heart failure and kidney failure. The objective of this part of the SABPA study was to determine if renin levels in low and high renin participants could contribute to...
Research Article
Exercise classification using CNN with image frames produced from time-series motion data
Hajime Itoh, Naohiko Hanajima, Yohei Muraoka, Makoto Ohata, Masato Mizukami, Yoshinori Fujihira
Pages: 18 - 21
Exercise support systems for the elderly have been developed and some were equipped with a motion sensor to evaluate their exercise motion. Normally, it provides three-dimensional time-series data of over 20 joints. In this study, we propose to apply Convolutional Neural Network (CNN) methodology to...
Research Article
Empirical study of E-Travel Adoption among Small Enterprises in Developing Country
Vera Pujani
Pages: 18 - 27
The objective of this paper is to test the success factor of e-travel model among small travel enterprises (STEs) in Indonesia. The data was collected by e-survey via My3q free online survey. Respondents were 145- users of travel websites chosen employing purposive sampling technique. Research variables...
Research Article
Soft computing-based decision support tools for spatial data
Serge Guillaume, Brigitte Charnomordic, Bruno Tisseyre, James Taylor
Pages: 18 - 33
In many fields, due to the increasing number of automatic sensors and devices, there is an emerging need to integrate georeferenced and temporal data into decision support tools. Geographic Information Systems (GIS) and Geostatistics lack some functionalities for modelling and reasoning using georeferenced...
Research Article
Bivariate analysis of typical hydrological series of the yellow river
Xin Tong, Dong Wang, Jichun Wu, Yuanfang Chen, Xi Chen
Pages: 18 - 28
This paper uses Gumbel-Hougaard (G-H) copula, Clayton copula and Frank copula to construct joint distributions of hydrological variables of the two typical stations on the Yellow River Region, including the annual maximum flood magnitude (AMFM), the annual maximum flood occurrence date (AMFOD) and the...
Research Article
Characterizations of the Generalized Beta-generated family of distributions
G.G. Hamedani, V. Mameli
Pages: 18 - 25
Several characterizations of Generalized Beta-generated family of distributions, introduced by Alexander et al. (2012), are presented, giving special emphasis to the Kumaraswamy skew-normal distribution and the Beta skew-normal distribution, special cases of this family. These characterizations are based...
Research Article
Two-Photon Algebra and Integrable Hamiltonian Systems
Angel Ballesteros, Francisco J. Herranz
Pages: 18 - 22
The two-photon algebra h6 is used to define an infinite class of N-particle Hamiltonian systems having (N -2) additional constants of the motion in involution. By constrution, all these systems are h6-coalgebra invariant. As a straightforward application, a new family of (quasi)integrable N-dimensional...
Research Article
An improved Particle Swarm Optimization Algorithm for QoS-aware Web Service Selection in Service Oriented Communication
Wenbin Wang, Qibo Sun, Xinchao Zhao, Fangchun Yang
Pages: 18 - 30
QoS-aware Web Service Selection is a crucially important issue in Service Oriented Communication which enables communication by integrating communication web services over Internet. Because of the growing number of candidate web services that provide the same functionality but differ in Quality of Service...
Research Article
Symmetry Constraint of the Differential-difference KP Hierarchy and a Second Discretization of the ZS-AKNS System
Kui Chen, Xiao Deng, Da-jun Zhang
Pages: 18 - 35
In this paper we construct a squared-eigenfunction symmetry of the scalar differential-difference KP hierarchy. Through a constraint of the symmetry, Lax triad of the differential-difference KP hierarchy is reduced to a known discrete spectral problem and a semidiscrete AKNS hierarchy. The discrete spectral...
Journal: Artery Research
Corrigendum
Corrigendum to “Associations between smoking and alcohol use and arterial elasticity in patients with newly diagnosed essential hypertension: A cross-sectional study” [Artery Res 20 (2017), 12–18]
Noor-Ahmed Jatoi, Waleed-Ibrahim Al-Baker, Afnan Al-Muhanna, Fahad Al-Muhanna, Abdullah Al-Hweish, Abdullah Al-Rubaish, Stella-Maria Kyvelou, Faisal Sharif
Pages: 17 - 17
Journal: Artery Research
Research Article
A new statistical phase offset technique for the calculation of in vivo pulse wave velocity
John Runciman, Martine McGregor, Gonçalo Silva, Gabrielle Monteith, Laurent Viel, Luis G. Arroyo
Pages: 17 - 27
Pulmonary blood pressure measurements were collected from 5 clinically healthy horses. Pulse wave velocity (PWV) values were calculated using five techniques, four existing (minimum foot-to-foot, F2F; maximum 1st derivative, M1D; maximum 2nd derivative, M2D; and cross correlation, CC) and the new statistical...
Journal: Artery Research
Research Article
A haplotype at the MMP-9 locus is associated with high-blood pressure and arterial stiffness in patients with essential hypertension
Azra Mahmud, Sixiang Zhou, Anthony W. Ryan, Paula Jerrard-Dunne, John Feely
Pages: 17 - 23
Background: Arterial stiffness is an independent predictor of cardiovascular events in hypertensive populations and is in part a heritable trait. Matrix metalloproteinase (MMPs) plays an important role in vascular remolding. MMP-9 levels predict cardiovascular risk and are associated with aortic stiffness....
Research Article
Multicomplex solitons
Julia Cen, Andreas Fring
Pages: 17 - 35
We discuss integrable extensions of real nonlinear wave equations with multi-soliton solutions, to their bicomplex, quaternionic, coquaternionic and octonionic versions. In particular, we investigate these variants for the local and nonlocal Korteweg-de Vries equation and elaborate on how multi-soliton...
Research Article
The compatibility of additional symmetry and gauge transformations for the constrained discrete Kadomtsev-Petviashvili hierarchy
Maohua Li, Jipeng Cheng, Jingsong He
Pages: 17 - 31
In this paper, the compatibility between the gauge transformations and the additional symmetry of the constrained discrete Kadomtsev-Petviashvili hierarchy is given, which preserves the form of the additional symmetry of the cdKP hierarchy, up to shifting of the corresponding additional flows by ordinary...
Research Article
Generalized Wronskian and Grammian Solutions to a Isospectral B-type Kadomtsev-Petviashvili equation
Jianjun Cheng, Zhen Wang, Hongqing Zhang
Pages: 17 - 33
Generally speaking, the BKP hierarchy which only has Pfaffian solutions. In this paper, based on the Grammian and Wronskian derivative formulae, generalized Wronskian and Grammian determinant solutions are obtained for the isospectral BKP equation (the second member on the BKP hierarchy) in the Hirota...
Journal: Artery Research
Conference Abstract
P4.10 ASSOCIATION OF ARTERIAL STIFFNESS WITH BLOOD PRESSURE VARIABILITY
Wiktoria Wojciechowska*, Katarzyna Stolarz-Skrzypek, Agnieszka Olszanecka, Kalina Kawecka-Jaszcz, Danuta Czarnecka
Pages: 17 - 18
Increase of arterial stiffness is an independent predictor of cardiovascular morbidity and mortality. Short term blood pressure (BP) variability is recognised as a marker and a risk factor for cardiovascular complications. The study aims to determine the relation between arterial stiffness and short...
Journal: Artery Research
Conference Abstract
P4.9 ENDOTHELIN-1 IS LINKED WITH ARTERIAL STIFFNESS AND INTERLEUKIN-6 IN BLACK SOUTH AFRICAN WOMEN: THE SABPA STUDY
Christine Du Plooy, Ruan Kruger, Carina Mels, Hugo Huisman*
Pages: 17 - 17
Up-regulation of ET-1 activates inflammatory cells such as macrophages that release pro-inflammatory mediators such interleukin-6 which promote vascular inflammation and endothelial dysfunction, leading to arterial stiffness.
Included in this study were 194 black and 197 white South-Africans. Cardiovascular...
Journal: Artery Research
Conference Abstract
P4.8 ASSOCIATIONS OF MID-LIFE CARDIOVASCULAR RISK FACTORS WITH LATER LIFE COGNITIVE FUNCTION
Chloe Park*, Therese Tillin, Robert Stewart, Nish Chaturvedi, Alun Hughes
Pages: 17 - 17
Background: Mid-life cardiovascular risk factors may be detrimental to cognitive function in later life; however results are inconsistent. We investigated the impact of mid-life blood pressure, glucose, cholesterol and obesity on cognitive function.
Methods: In a community based sample aged 49.6±6years:...
Journal: Artery Research
Conference Abstract
P4.7 PLASMA COPPER AND CERULOPLASMIN IN RELATION TO CAROTID-FEMORAL PULSE WAVE VELOCITY
Katarzyna Stolarz-Skrzypek*, Joanna Platek, Halina Mrowiec, Stanislaw Walas, Wiktoria Wojciechowska, Lukasz Klima, Szczepan Zapotoczny, Kalina Kawecka-Jaszcz, Danuta Czarnecka
Pages: 17 - 17
Copper participates in the redox mechanisms and is a cofactor of enzymes responsible for appropriate structure of elastic fibres. The aim of the study was to assess the relationship between plasma copper as well as ceruloplasmin concentrations and carotid-femoral pulse wave velocity (cfPWV).
The study...
Research Article
A Note on a Characterization of Gompertz-Verhulst Distribution
M. Ahsanullah, M. Shakil, B.M. Golam Kibria
Pages: 17 - 26
Characterization of a probability distribution plays an important role in probability and statistics. This paper considers a new characterization of Gompertz-Verhulst distribution. It is hoped that the findings of the paper will be useful for researchers in different fields of applied sciences.
Research Article
Intelligent mechanisms in E. coli in processing carbon sources
Zhongyuan Tian, Hiroshi Matsuno
Pages: 17 - 21
E. coli is “wise” enough to take suitable responding time, and suitable responding behaviors, when facing different kinds and intensities of stimulations. In a network of glycogen metabolism, a shorter time stimuli result in the post translation level reactions for quicker response, and a longer time...
Research Article
Medical Image Analysis of Brain X-ray CT Images By Deep GMDH-Type Neural Network
Tadashi Kondo, Junji Ueno, Shoichiro Takao
Pages: 17 - 23
The deep Group Method of Data Handling (GMDH)-type neural network is applied to the medical image analysis of brain X-ray CT image. In this algorithm, the deep neural network architectures which have many hidden layers and fit the complexity of the nonlinear systems, are automatically organized using...
Research Article
Postural Sway Response to Local Vibratory Stimulation in Young, Middle-aged and Elderly People in Standing Position
Ayaka Yamada, Eishi Nakamura, Noritaka Sato, Yoshifumi Morita, Tadashi Ito, Yoshihito Sakai, Kazunori Yamazaki
Pages: 17 - 21
We investigated the postural sway in response to local vibratory stimulation applied to young, middle-aged and elderly people in the standing position. For this purpose we developed a variable-frequency vibratory stimulation device and measured the postural sway using a gravicorder. As a result, when...
Research Article
Support Vector Machines with Manifold Learning and Probabilistic Space Projection for Tourist Expenditure Analysis
Xin Xu, Rob Law, Tao Wu
Pages: 17 - 26
The significant economic contributions of the tourism industry in recent years impose an unprecedented force for data mining and machine learning methods to analyze tourism data. The intrinsic problems of raw data in tourism are largely related to the complexity, noise and nonlinearity in the data that...
Research Article
A note on minimization of rational surfaces obtained from birational dynamical systems
A. S. Carstea, T. Takenawa
Pages: 17 - 33
In many cases rational surfaces obtained by desingularization of birational dynamical systems are not relatively minimal. We propose a method to obtain coordinates of relatively minimal rational surfaces by using blowing down structure. We apply this method to the study of various integrable or linearizable...
Research Article
Neonatal Mortality in a Tertiary Care Private Set Up in Saudi Arabia
Sajjad Ur Rahman, Muhammad Hasan Abdulghani, Khalid Al Faleh, Jasim Anabrees, Mohammad Khalil, Konstantinos Mousafeiris, Mustafa Mohammad Mustafa, Maha Yassin Mansour, Adnan Mirza, Mohammad Mubarak, Mohamed Kamal
Pages: 16 - 19
To ascertain Neonatal Mortality Rate (NMR), Early NMR (ENMR), Late NMR (LNMR), Corrected NMR (cNMR), and causes of neonatal mortality in a major tertiary care private maternity and Neonatal Intensive Care Unit (NICU) set up in Saudi Arabia. This was a retrospective analysis of hospital data. We ascertained...